Latest / The Smart Cookies podcast / Did we domesticate DOGS or did dogs domesticate us? With prof. Greger Larson
Transcript
- 0:00Dr. Gregor Larsson is a professor in the School of Archaeology at the University of Oxford
- 0:08and Director of the Wellcome Trust Paleogenomics and Bioarchaeology Research Network.
- 0:14His research interests include evolutionary genomics, ancient DNA domestication, as well
- 0:19as human and animal dispersal.
- 0:21I'm going to ask you about that later because I have no idea what that means.
- 0:26His work on the domestication of canines and the origin of the domestic dog has provided
- 0:31insights into the prehistoric bond between humans and early dogs.
- 0:36Professor Larsson, welcome.
- 0:39Thank you.
- 0:40Thank you for having me.
- 0:41Okay.
- 0:42Let's jump straight into it.
- 0:43Here's the image of domestication that I believe most humans, including myself, kind
- 0:47of share.
- 0:48Somewhere in the distant past, we took certain animals and sort of craftily adapted their
- 0:52nature to suit our needs.
- 0:55Maybe we wanted them to help us hunt like dogs or we simply wanted to eat them on a
- 1:01sort of consistent basis.
- 1:03However, as I listened to a couple of conversations with you, you're talking more about a relationship
- 1:08between humans and certain animals and quite a complex one at that.
- 1:13So what's really wrong with the simple one-sided image of domestication I described earlier?
- 1:20Simple is great.
- 1:21Simple is fun.
- 1:22Simple is easy.
- 1:23It is.
- 1:24I like simple.
- 1:25Simple is even better when we are kind of self-congratulating ourselves.
- 1:33Our ancestors were smart.
- 1:35They were goal-directed.
- 1:36They knew what they were doing.
- 1:37They looked around and they said, this will benefit our ancestors and our offspring, our
- 1:42progenitors.
- 1:43So let's do this.
- 1:44That sounds great.
- 1:47And then you don't need to ask any more questions.
- 1:49We have what we have now.
- 1:51And we have that because some smart people before us decided that's what we were going
- 1:54to have and now we're just living with that legacy.
- 1:56Sure.
- 1:57That sounds fantastic.
- 1:58The only issue with that is that there's zero evidence for any of it.
- 2:00So there is that.
- 2:01Zero evidence.
- 2:02Pretty much zero evidence.
- 2:04We layer on top of our own history a desire for control, for meaning, for purpose, and
- 2:13then we go back and we see that.
- 2:15Or we don't.
- 2:16I mean, it's not there, but we see it, if you see what I mean.
- 2:18We kind of imbue it on top of whatever record we're looking at, whether that's genetic or
- 2:23archaeological or we sometimes just using it as a starting assumption.
- 2:26We say this is what must have happened.
- 2:27And so therefore let's gather the data to support that hypothesis.
- 2:30I see.
- 2:31So gathering data to suit our narrative.
- 2:33Yes.
- 2:34And if...
- 2:35So we come up with the narrative first and then we go back and we say, oh, this is clearly
- 2:39what happened.
- 2:40Okay.
- 2:41But a very simple, staying with simple, pushback could be these domesticated animals are here
- 2:47now with us and we're kind of breeding them.
- 2:50So I mean, that's a little bit of a proof there for the simple theory, isn't it?
- 2:57Is it proof or is it just a statement of fact?
- 2:59Right?
- 3:00Yes.
- 3:01There are animals around that we rely upon and they rely upon us to the same degree.
- 3:07Right?
- 3:08I mean, there's 8 billion people plus now on the planet.
- 3:12And our species is 300,000 give or take.
- 3:18And those 8 billion were only maybe a couple million globally about 12, 15,000 years ago.
- 3:25So that means for the 90% of ours, more than 90% of our species history, we were just an
- 3:31afterthought on the planet.
- 3:32There was a couple million of us in various places, but we did not have any of these relationships.
- 3:38So now we have 8 billion.
- 3:41If you were to remove all domestic plants and animals from us, then that 8 billion would
- 3:46collapse very quickly.
- 3:49So we are just as reliant on them, some populations of them anyway, as they are reliant upon us.
- 3:54But that doesn't mean that we or that somebody 10, 11, 12,000 years ago, whatever said, right,
- 4:00we've been doing the same thing for the last 285,000 years.
- 4:03So let's just change everything up and that will be better for everybody in about 10,000
- 4:07years.
- 4:08Let's go to evidence then.
- 4:09Then we have the narrative and the narrative that we have is not supported by evidence.
- 4:14What kind of narrative is supported by evidence?
- 4:20Every animal and every plant is going to have a slightly different, there's context and
- 4:24there's a specificity around these things.
- 4:27So I'll just, I'll tell you why I'm skeptical.
- 4:30If you know anything about rabbits, or if you don't, right, most people don't, right?
- 4:35We had a chinchilla at home.
- 4:38Is that any help?
- 4:40It's not, but it's at least it kind of fits into the idea, right?
- 4:43We appreciate your honesty.
- 4:45I mean, new world, old world, I guess, or at least your age in South America.
- 4:49So the story about rabbits that if you were to go on to say Wikipedia now or anywhere
- 4:53else for a long time, what happens is there is this narrative that there's a papal decree
- 5:01that happens in 600 AD and a guy named Pope Gregory decided that something called a loris,
- 5:08which is a word that means a fetal rabbit.
- 5:11So these are unborn rabbits in the wombs of female rabbits.
- 5:17And those unborn rabbits are called lorises.
- 5:19And what Pope Gregory said was that lorises were not considered meat during Lent, during
- 5:26the portion of the Catholic calendar during which you're not allowed to eat meat.
- 5:31On the basis of that, then a whole bunch of monks who were in Southern France and Spain
- 5:37said, ooh, we would really, we don't like this idea of not being allowed to eat meat
- 5:42during Lent.
- 5:43So if this is a kind of get out of jail free card here, if this is a free pass to have
- 5:47some animal protein, then sure, let's go grab some rabbits.
- 5:51Let's throw them into some hutches.
- 5:53Let's make sure that we'll wait till they're pregnant.
- 5:56And then when they are pregnant, let's harvest those fetal rabbits called lorises and we
- 5:59can eat those as many as we want during Lent.
- 6:02Yeah.
- 6:03So then they're in, there you go.
- 6:05That's your, your, it's like a lovely just so story.
- 6:07It's a lovely, a Freakonomics story where it's the law of unintended consequences, where
- 6:12the Pope says it's okay.
- 6:13Now suddenly you get rabid domestication and then we're done.
- 6:16End of story.
- 6:18What is interesting and I am just as much as false as anybody else on this is that the
- 6:23first time I heard this story, I was like, wow, that seems totally plausible.
- 6:28Like what, and then I've been studying domestication at that point for 15 years or thereabouts,
- 6:33and I didn't even blink.
- 6:35I just thought, okay, that's a really fun story.
- 6:36And so my decision was, well, if we know that it's 600 AD, why don't we then try and get
- 6:41some genomes from a variety of different modern populations and see if we can't use a molecular
- 6:47clock analysis using some genomic techniques to try and see if that tells us that 600 AD
- 6:52is that point.
- 6:53I mean, and how great would that be, right?
- 6:55We could then, we have this fact of 600 AD, that's when domestic rabbits start.
- 7:01It's very constrained in space and time.
- 7:03So let's see if we can recover that signal from the genomes and if we can, that means
- 7:07the genomes have the power to prove a positive so we can ground truth it.
- 7:10And then we can start applying it to things where we don't have a papal decree telling
- 7:13us that we are allowed to eat certain things during life.
- 7:16So when I, we had this idea and I had a master's student and we started looking into it.
- 7:21And I just said, well, maybe let's just get a reference for that papal decree.
- 7:24If it's a papal decree, I'm sure there's, I mean, it's the church, right?
- 7:27They keep records.
- 7:28There will be some reference to or some paperwork or some document that we can point to.
- 7:33And it had been referenced at this point in the scientific literature, in the lay literature,
- 7:38in a lot of popular books about domestication.
- 7:41This whole idea was out there.
- 7:42So it wasn't going to be hard to find.
- 7:43So other people will have done this.
- 7:44We just have to find the reference.
- 7:46And Evan Irving Pease was his name and he came back three weeks later and he was like,
- 7:49a small problem, Gregor, that papal decree doesn't exist.
- 7:52And I was like, what do you mean?
- 7:53Like, we can't find it.
- 7:54It's there, but we can't get a copy of it or something is probably, and he's like, no,
- 7:59no, no, it actually doesn't exist.
- 8:01In fact, none of that.
- 8:02The reason it doesn't exist is because there was no papal decree.
- 8:06I was like, ah, that's different.
- 8:08So then what Evan did is he went back and he pieced together the story of the story
- 8:14of rabbit domestication.
- 8:16And he started all the way back in the mid seventh century AD, where it's the first time
- 8:23you get this mention of lorises.
- 8:25And it was this guy, St. Gregory of Tours, so different Gregory completely.
- 8:31And he mentions that one person that he knew had mentioned the existence of these things
- 8:36called lorises.
- 8:38All he was saying in this document was this appears to be a thing.
- 8:42It's a delicacy in the same way that, you know, delicacies all over the world, every
- 8:46culture will have something that everybody considers gross, but people eat anyway.
- 8:49It's almost you kind of fetishize the disgusting.
- 8:52So in the same way, all St. Gregory was like, oh yeah, there's this thing called the loris.
- 8:56He didn't say anything about its popularity.
- 8:58He didn't say how frequently people were doing this.
- 9:00He mentioned nothing about whether people were eating this during Lent.
- 9:02There was no nothing.
- 9:03It was just that existence.
- 9:05Just to mention.
- 9:06That's just to mention.
- 9:08Then from that point on, again, starting then in the 20th century, when people start writing
- 9:12about this and writing about domestication a little bit more, you can see, you can follow
- 9:16the narrative as it morphs each time it gets retold.
- 9:20So it's like any great myth, people repeat it, but they tweak it.
- 9:24They embellish it.
- 9:25They add a little element to it and it goes tick, tick, tick, tick, ratchets all the way
- 9:29up.
- 9:30And then the crucial point happens in about, I think it was early 20th or late 20th century,
- 9:35right around the 2000s, where there was, I think it was the Nature Conservancy website
- 9:39made a switch between St. Gregory of Tours and Pope Gregory.
- 9:43So the same Gregory, same name Gregory, but totally different people.
- 9:46As soon as you say Pope Gregory, now people then repeating it from their points, it was
- 9:50a papal decree.
- 9:52The point is though that there was not a single, the modern story as we tell it, there's not
- 9:57a single element that is true.
- 9:59It's all repeated embellished fact that just gets layered upon layered all the way up through
- 10:04its most recent retelling about 10 years ago.
- 10:07So what's curious to me is that when we say, well, okay, what do we actually know about
- 10:10rabbits?
- 10:11We don't know that.
- 10:12We don't know exactly when people and rabbits started associating.
- 10:16We don't know when their coat colors really started changing.
- 10:19We have some iconographic evidence for it, but we're not exactly sure where and when
- 10:23and how.
- 10:24We know that there's all these mentions of different relationships between people, rabbits
- 10:26and the Mesolithic.
- 10:27There were some sites in Portugal where people were hunting them so that they represent something
- 10:30like three quarters of all the bones at one site were rabbit bones.
- 10:34So people are clearly hunting quite a few of them.
- 10:36That's not domestication, but it is an association.
- 10:39So there is all of this myriad of interaction between humans and rabbits, which took a lot
- 10:45of different forms, and we start to see them being moved out of their native range in the
- 10:50sort of medieval era.
- 10:51We can kind of trace them as they move up through Northern Europe into the UK, and then
- 10:54they start to, they're associated with elites and then they're common and then they're out
- 10:58and then they're invasive and now they're in Australia.
- 11:01It just gets crazy, right?
- 11:02It's just this complete insanity of repeating perpetual iterative cycle of a closening and
- 11:09then a tightening and then loosening of the relationship that people have where they really
- 11:13intensely focus on them, then they relax and they move them and then they, it's just, it's
- 11:16all, there's a lot more nuance and a lot more insanity around it.
- 11:20None of which involves anything to do with a Pope Gregory, a papal decree, eating Lorises
- 11:26during Lent, or that being the moment, the smoking gun and the instant that domestication
- 11:31happened.
- 11:32It's almost, and so from my perspective, it's interesting, it's fascinating to me that we
- 11:37have to, we don't, we're not even aware that we're inventing a narrative about our awareness
- 11:42of domesticating something, right?
- 11:44What does that tell us?
- 11:46That tells us that we should be highly suspicious of the narratives we tell ourselves, even
- 11:50about animals that only came into this domesticated kind of living arrangement with us in the
- 11:55last thousand years, much less things that happened to 10, 12, 13,000 years ago or even
- 12:02older.
- 12:03So yes, those narratives suit us and therefore we need to be extra suspicious, especially
- 12:08when it can be very clearly demonstrated that at least one of the major narratives has absolutely
- 12:12zero basis in fact and no credibility for even being remotely true.
- 12:16The issue with it for me too is that as soon as we tell that story, I bought it hook, line
- 12:20and sinker.
- 12:21I completely fell for it and I didn't, I didn't question it at all.
- 12:24All I said was to the master's student, go find the reference.
- 12:26I didn't think that it wasn't true.
- 12:27Of course it was true.
- 12:28And the reason I thought it was true is because it made sense.
- 12:31And if something makes sense, you don't question it.
- 12:33And that's the problem is that our brains are wired in such a way to perceive the world
- 12:37in such a manner that if something makes sense, even if what is making sense is our own narrative
- 12:43layered upon a history, which has no basis in fact, we then don't question it.
- 12:48And therefore it leaves this giant black space where we should be asking questions and should
- 12:53be interrogating the relationship, the timeframe, the complexity, how everything moves around
- 12:57and what happens.
- 12:59But we don't because somebody grabbed a couple of rabbits through them in a hutch because
- 13:02they didn't want to not have to eat or not eat meat during Lent.
- 13:05End of story.
- 13:06Are you telling me that whether we're talking about cows, chickens or dogs, domestication
- 13:12is just an empty vessel?
- 13:13There's nothing to rely on.
- 13:15There's nothing concrete in our hands.
- 13:18Or do we have any sort of archaeological evidence for any of these, as you call them, living
- 13:24arrangements?
- 13:25Yes.
- 13:26There are more and more people looking at this.
- 13:29There's a lot more data.
- 13:30The tools we have available to us now are so much better.
- 13:33They're just so much more robust.
- 13:35They have such greater powers of resolution, especially when combined in unison.
- 13:40But what we're finding each time we are applying these things is that the stories we've always
- 13:43told ourselves turn out to be either A, a lot more complicated or B, completely false.
- 13:48So here's one of the chickens.
- 13:50Why were chicken?
- 13:51And it's always the question that I get asked first.
- 13:53Why did we domesticate species X?
- 13:55So why did we domesticate chickens?
- 13:56We know what the answer is.
- 13:57It's super simple, right?
- 13:58They are the single most consumed meat.
- 14:00They've overtaken pork globally.
- 14:01They are, there's by some estimates, 80 billion chickens on the planet, where it's just like
- 14:10at least 10 to one for every human, which makes it by far the most numerous vertebrate
- 14:14and certainly the most numerous bird.
- 14:16There's massive warehouses with tens of millions of birds that are all living very, very closely
- 14:20together.
- 14:21So of course, the reason that we domesticated chickens was to eat them, right?
- 14:25That's why we did it.
- 14:26We eat them now.
- 14:27So we ate them then.
- 14:28I mean, this does make sense.
- 14:30We domesticated them and then now we eat them.
- 14:32I mean, yeah.
- 14:33Yeah.
- 14:34So, and not only that, but we probably domesticated them a long time ago because they were so important.
- 14:38We recognize that they would be a tasty meal.
- 14:40So why would we not domesticate them as early as possible?
- 14:42Exactly.
- 14:43It was just when people got to where red jungle fowl, which is the progenitor of domestic
- 14:47chickens, which is a relatively, I mean, it's a big area globally or regionally, but globally,
- 14:52it's a relatively small area of peninsula Southeast Asia, where you get four or five
- 14:56different subspecies of red jungle fowl.
- 14:58People get there, they see them in the trees like, oh yum.
- 15:01They grab them by their legs, they pull them down, they start eating them.
- 15:03Now we've got 10,000.
- 15:04Makes sense to me.
- 15:05Yeah.
- 15:06And so some of the early papers in the last decade or so have come forward with evidence
- 15:11for very early Neolithic chickens, not just in peninsula Southeast Asia, but in China
- 15:16and Bulgaria.
- 15:17And it's always led by like, these were the first omelets.
- 15:20So, you know, there's some consumption happening or there's some use of those chickens as a
- 15:24food stuff, as a source of protein for us, because that's what we do now.
- 15:27So, that's what we did then.
- 15:30And that's the primary importance.
- 15:31All this other stuff like chicken fancying, where you can grow them with really crazy
- 15:35feathers and crazy patterns of their subspecies.
- 15:38That's just for like a small select group of people to make really fun calendars every
- 15:41year.
- 15:42So you can switch over, it says March and you get a ridiculously wild bird.
- 15:44Although arguably that's another kind of way in which those chickens are associating with
- 15:48people or another living arrangement.
- 15:51And we didn't, it would be probably laughed out of town if you said, well, we pulled them
- 15:54out of the trees 10,000 years ago so that we could play with their feather color and
- 15:58show off to our friends which ones we created and give them some really fun name.
- 16:02Right.
- 16:03But we don't say that because we think that somehow there's a primacy of protein consumption
- 16:08that takes precedence over any other way in which we might interact with an animal.
- 16:13And I don't know A, if that's true, but B, it turns out firstly that that timeframe is
- 16:18ridiculous.
- 16:19And nobody really looked at it until we went, we're like, okay, big team of people, one
- 16:25primary guy, yours, Peter's, who was like, I'm going to investigate every single chicken
- 16:29bone and every single archeological site that has ever been claimed in any archeological
- 16:32report or excavation.
- 16:33And that's what he did.
- 16:34He spent a decade doing this, just going everywhere.
- 16:37In some cases, finding the actual bones.
- 16:39If the bones didn't exist anymore, looking into looking at the photographs, measuring
- 16:42everything and doing the whole context.
- 16:44How many bones are there?
- 16:46What's the, is, hasn't been directly radiocarbon dated.
- 16:48What is the rest of the funnel element there?
- 16:50What kind of farming are people doing if they're doing farming at these sites?
- 16:53What's the likelihood that this is actually just a red or gray jungle fowl because it's
- 16:56found in the range of the wild ancestor and not, and been misinterpreted as a domestic
- 17:00chicken.
- 17:01And so he created two tables, a good table of chickens.
- 17:03We were like, those were confident are chickens based upon these dozen criteria.
- 17:08And these that we are, if not outright dismissing, suspicious of.
- 17:11We just want to put a very high bar.
- 17:13It's not that they're not, but we're just, there's reasons to be worried about these.
- 17:16So we create these two lists.
- 17:18We then take a very conservative approach, go straight with a good table and say, let's
- 17:22create a map then of the first appearance of chickens we consider to be good on a global
- 17:27map and then interpolate that map with a nice color scheme that shows the earliest ones
- 17:32in one color and then bleeding into a color that gets a bit darker.
- 17:35And the first thing you find that far from being 10,000, the very earliest chickens that
- 17:38there are is only about 3,500 years ago.
- 17:40This is a very recent phenomenon.
- 17:42Secondly, it's happening in peninsular Southeast Asia.
- 17:45And then relatively quickly after that, over the next couple of centuries, they start moving
- 17:49with people across Eurasia and East into the Pacific and they get to the Mediterranean
- 17:55while the Levant and the Mediterranean say 800 BC right around that time.
- 18:00Really?
- 18:01Yeah.
- 18:02It's very late.
- 18:03Okay.
- 18:04So what's curious about this too is, and that kind of, in some ways it fits because it's
- 18:07what we see in the Bible.
- 18:09Like there's no chickens in the Old Testament, but there are chickens in the New Testament.
- 18:12And there's a good reason to think that maybe they're not in the Old Testament because they
- 18:15simply don't exist.
- 18:16And what's really interesting to me, and this was found out through a very careful analysis
- 18:20with Naomi Sykes and Julia Best and a number of other people who were looking at the actual
- 18:25archeological context of where these chickens were found.
- 18:27Was it full burials?
- 18:29Were they whole skeletons?
- 18:30Were there cut marks?
- 18:31What else was there?
- 18:32What was there other grave goods that were part of this entire way in which you find
- 18:36the chicken?
- 18:38And what's fascinating is that chickens arrive and for 500 years, there is no evidence of
- 18:44anybody eating them.
- 18:45Nothing.
- 18:46Nobody is eating chickens.
- 18:47And they not only have at this point, they've been in sort of a domestic human context for
- 18:52a good two plus thousand, two, 3000 years.
- 18:55What about the eggs that they lay?
- 18:58Eggs are questionable.
- 18:59Eggs really come to the fore in Roman times.
- 19:02You start to see a lot more concentration on the egg.
- 19:03It's not to say that people aren't, but we don't find big caches of eggshell.
- 19:08We don't find a lot of reference to people eating eggshells.
- 19:10We certainly don't see this idea.
- 19:12And where people have inferred that chickens were laying on a daily basis, there is some
- 19:16reference to this in some of the earlier literature, but it's not chickens they're actually referring
- 19:20to.
- 19:21It's probably ducks in Egypt.
- 19:22And it's maybe it's daily or not is another issue.
- 19:25It gets sketchy.
- 19:26So for 500 years, people were just like chilling with chickens hanging out.
- 19:29I mean, what are we saying here?
- 19:32Well, there's a couple of things.
- 19:34So I'm sure they exist in Japan where you are now, but certainly in all major cities
- 19:38in the world, there's pigeons everywhere.
- 19:42People don't, are we eating them?
- 19:45Maybe some people.
- 19:46Are they being tolerated because they're hanging out?
- 19:48Yeah.
- 19:49Are they being actively persecuted?
- 19:50Well, people put like anti pigeon stuff, but nobody's that, they're probably still worried
- 19:54that we're trying to eradicate every single pigeon.
- 19:56There's a, they're kind of generally don't want them around behavior that we do, but
- 20:01we we've just figured out that it's going to be take too much time and effort to eliminate
- 20:04all of them.
- 20:05So with chickens, chickens are different because when they arrive, they are, they're not from
- 20:11Europe.
- 20:12They're from peninsula Southeast Asia.
- 20:14And when they show up, you could imagine there's no other bird that looks like this, no other
- 20:18bird that acts like this and no other bird that sounds like this.
- 20:21This is effectively an alien bird and something that is from that far away that has that many
- 20:27differences from what you're used to seeing.
- 20:29You venerate this kind of thing.
- 20:30This is amazing.
- 20:31This is effectively an alien, right?
- 20:33You're not going to eat the first thing you're going to do when an alien lands.
- 20:35Your first instinct is I'm going to eat this.
- 20:38Right?
- 20:39This is, it's got a huge amount of popular appeal given its weirdness and given how unique
- 20:47it is in terms of all of its characteristics.
- 20:50Then of course it starts getting into religion.
- 20:52It gets associated with the Catholic church, with the crowing and the rebirth and all kinds
- 21:00of other facets.
- 21:01You find it then, start finding it on coins.
- 21:02It becomes a symbol of importance and general like high status things.
- 21:07It's the national symbol of the whole country of France for Christ's sake.
- 21:10Right?
- 21:11Like it's, chickens were a very big deal precisely because they were so rare and from so far
- 21:15away and you're not eating them.
- 21:18What's really curious though is that archeologically what we see is about 500 years after they
- 21:23arrive, that's when you start to see some of the cut marks.
- 21:27That's when you start to start finding individual bones, which appears that they've been slaughtered
- 21:31for meat and people are starting to eat them.
- 21:33But again, even by a thousand AD, so this is now nearly 2000 years after they show up,
- 21:40they still are only less than 6% of the total funnel assemblage that you'll see on any archaeological
- 21:45site in Europe or in the UK.
- 21:48It only doubles to 12% at around a thousand AD when again, religiously the idea was again
- 21:55associated with lent or with just fasting in general was that you were allowed to eat
- 21:59animals that had two legs, but not four legs and that was really strictly imposed at about
- 22:05a thousand AD and then you start to see this increase and then it starts to pick up from
- 22:08there.
- 22:09So it's not a sudden explosive instant thing.
- 22:12It's a very chickens arrive, they're venerated, they're treated very differently, then they
- 22:16become a bit more common and it's that classic thing where if you have something that's around
- 22:23and you're kind of used to it after a while and you're born into a world with it, then
- 22:27it's no longer interesting and then you're like, oh, maybe we'll just, if we're hungry,
- 22:31oh, well, we could probably kill that thing and eat it.
- 22:33And so it's familiarity breeds contempt and that familiarity will then also maybe breed
- 22:38consumption because you just don't care about it in the same way that your ancestors.
- 22:42What I love about this story is that the clock is true no matter where you go.
- 22:46So when chickens first arrive into the Mediterranean, it takes 500 years.
- 22:50It then takes almost a thousand years for them to get up to the Northern clines of Scotland.
- 22:54When they first arrive in Scotland, everybody in Scotland goes, holy shit, what is this?
- 22:57This is amazing.
- 22:58People in Southern Europe are eating them, but in Scotland, this is brand new and amazing
- 23:01and they treat it in the same way and the clock then starts ticking.
- 23:04It takes 500 years for the Scots to start eating.
- 23:06So it's just, it's this very clear pattern of initial arrival is weird, is unique, is
- 23:12different and people react to it in that way.
- 23:14And then the familiarity comes in and then you start to eat them.
- 23:17But again, on a very, very small scale and they've only just overtaken pork as the most
- 23:22consumed meat globally.
- 23:23But if you look even 150 or a hundred years ago, 150 years ago, chickens were still paid
- 23:28so little attention to in terms of the amount of time and effort that farmers are putting
- 23:32into them that it was the really, especially in the U S really the purview of minorities
- 23:37and women who are allowed to look after chickens.
- 23:39All the men had the sheep, the goat and the cow and that's what they looked after.
- 23:42So it was just kind of an afterthought.
- 23:43It was a little extra money.
- 23:44It was a little thing that you would put on the side.
- 23:46So yes, we can start from the present and we can say, we eat more chickens than anything
- 23:51else and therefore we can leap all the way back to the beginning, claim that beginning
- 23:56to be 10,000 years ago and say, we started eating chickens 10,000 years ago and now we
- 23:59eat a whole lot of it now.
- 24:00The truth of the matter though is so much more complicated, so much more rich, so much
- 24:04more interesting and so much in antithesis of that narrative that that's what, that's
- 24:09what kind of haunts me, but excites me at the same time as an academic is that all of
- 24:12our stories are wrong.
- 24:13So let's go find out the true one.
- 24:15And what's great about it is just the degree to which we constantly make the same mistake,
- 24:20which is to assume that we can take the present and map it onto the past when in fact it's
- 24:24always changing.
- 24:25There's a dynamism, there's a huge number of things that play culturally, religiously,
- 24:29biologically, ecologically, conservation where everything is changing all the time
- 24:34and there's fads like anything else and animals and plants are no different than anything
- 24:38else that you would think about in that perspective.
- 24:41So it gets really, it's a hell of a lot more complicated but I just feel like it's so much
- 24:45more satisfying because it is actually the truth rather than this just pretend lie that
- 24:49we want to tell ourselves where we know everything, we're completely smart and intelligent, so
- 24:54our ancestors and this is exactly why we did everything was just to maintain where we are
- 24:57right now and it's just not true.
- 24:59Okay, if we switch it up, that was a crazy story.
- 25:01I had no idea because I had that feeling that you described earlier, the chickens are around
- 25:06since forever.
- 25:07They're just part of our diet for I don't know hundreds of thousands of years which
- 25:13of course yeah now that you've explained doesn't make much sense.
- 25:17Okay, but let's switch it up to dogs.
- 25:19I think, okay, first of all, I think most of my listeners will agree that this podcast
- 25:23is becoming renowned for asking preposterously basic questions sometimes but I refuse to
- 25:27shy away from admitting when I'm clueless about something.
- 25:30So here's the thing.
- 25:31That's the best way to learn.
- 25:32That's the only way to learn.
- 25:33I agree.
- 25:34I mean, imagine the first steps in the beginning of this quite unbelievable relationship between
- 25:41humans and dogs.
- 25:42I mean, did a couple of wolves, if we know anything about that, did a couple of wolves
- 25:46just figure out that humans have food all the time so they started chilling by the campfire
- 25:51regularly thus making themselves less aggressive or did we catch a bunch of wolves randomly
- 25:57and then select the more gentle ones and keep those or was it something else entirely?
- 26:01Do we have anything backed by evidence that would tell us something about this crucial
- 26:07phase between dogs and us?
- 26:09Right, no is the short answer.
- 26:12We have nothing backed by evidence.
- 26:15A bunch of stories again.
- 26:17We have a bunch of stories and some of those stories are predicated on that desire for
- 26:23control, right?
- 26:24So the simplest story is X number of thousand years ago, say 20, 25,000 years ago, a couple
- 26:31of people saw some wolves.
- 26:33We're familiar with wolves.
- 26:34They're on the landscape just like them.
- 26:36They're probably hunting the same thing.
- 26:37And they thought, you know what?
- 26:39We know where those wolf dens are.
- 26:41So let's go grab a couple of puppies and bring them back and maybe even breastfeed them,
- 26:45right?
- 26:46Like, but then rear them.
- 26:47Yes, makes sense.
- 26:48Rear them from a very early age because we know that if we take a wild wolf puppy, we
- 26:56can raise it and there'll be this thing called a dog.
- 27:00It's like, it just, like, think about that.
- 27:03If you were to do that with like a lion, which is not that dissimilar, right?
- 27:07Would you possibly go grab a lion cub and be like, I am confident that or a tiger, talk
- 27:13to Siegfried and Roy about doing that with tigers, right?
- 27:15Like, there's this whole, these, no, bad idea.
- 27:21And there's been study after study after study that have demonstrated things to do with critical
- 27:25period and socialization and just the way and fear responses and all this kind of thing.
- 27:30A reared, a hand reared, human reared wolf puppy is not a dog.
- 27:35These are very, very different things.
- 27:38And I don't care how many generations you think you get, then just to make sure you
- 27:41could keep them and then breed them together and keep the tamest ones.
- 27:44How many you got, right?
- 27:45What do you got?
- 27:46A hundred of them and you get to choose the 10.
- 27:47And where are you keeping them and what are you feeding them?
- 27:49And why this is some sort of controlled experiment where you can stake them and hold them down
- 27:53the whole time.
- 27:54Is there anything else to do?
- 27:55It just, so the simplest story in this case sounds great.
- 28:00And then when you start to put it into practice, it just, it falls apart for me instantly.
- 28:05The problem though, is that any story when it comes to dogs falls apart instantly.
- 28:09And it doesn't, it's, and that's what's so fun about this is that anytime somebody goes,
- 28:12oh, well, how about this idea of wolves just coming around and hanging out?
- 28:17And it's like, okay, but how much waste would there have to be in order to, for them to
- 28:23sustain that population?
- 28:25And wouldn't humans just immediately chase them off?
- 28:27These are animals that like they're competing for you on the last game and they're actively
- 28:31dangerous.
- 28:32If we, you know, how many dogs kill people in the UK right now, there's a huge thing
- 28:36about the bully X breed.
- 28:37And therefore, because there's all this press focus on attention, it seems like every two
- 28:40weeks a bully X is biting someone or killing someone or maiming a toddler or whatever else.
- 28:45But it's not just the bully X in the UK every year, there's dozens of people who either
- 28:50get seriously injured or killed from dogs.
- 28:52And we think obtain wolf is a good idea, right?
- 28:56So the kind of model that I like to use in this though is around the idea, like an evolutionary
- 29:03thing where what we see is a lot of times animals will form or go down trajectories
- 29:10of evolution and behavior that have a lot to do with food and that gets embedded into
- 29:17a culture.
- 29:18There's a really great example of killer whales off the Northwest coast of the Americas.
- 29:23So there's two main ways of living as a killer whale.
- 29:28You can either hunt marine mammals, seals and the like, or you eat salmon.
- 29:33Now the two pods of killer whales that do this, when they have killer whale babies,
- 29:38they train them to eat those things.
- 29:40And there's a, there's very different styles of hunting.
- 29:42You've got to know where you have to be at certain times of year.
- 29:45You have to be able to communicate between each other about how to get them, especially
- 29:48if you're chasing seals and you just, there's a, there's a huge amount of time and effort
- 29:52and learning that goes into procuring that specific kind of prey.
- 29:57The two populations are still killer whales.
- 30:00They're not, it's like, you know, they're effectively you and me in terms of our degree
- 30:05of distance.
- 30:06So there's nothing preventing them from mating and producing offspring, but they don't.
- 30:12It's a bit, it's human cultures.
- 30:13You know, think of the same thing.
- 30:15If we had to go to like Shakespeare with Montagues and Capulets, right?
- 30:19There's nothing stopping Romeo and Juliet except for the weight of culture around both
- 30:23of them or sharks and jets or whatever you want.
- 30:26And that is not insignificant.
- 30:28And so there's a good reason why there was no F1 hybrid between Romeo and Juliet.
- 30:33It wasn't because they were incapable of doing so.
- 30:34It was because their families were like over our dead bodies and quite literally our dead
- 30:38bodies, right?
- 30:39So, and similarly with killer whales, and you can see with a whole range of other animals,
- 30:43when you get one group of them starting to focus in on one particular resource and another
- 30:49group focusing on a different resource, that is the thin edge of a wedge, which will start
- 30:54to distinguish those two populations and start preventing gene flow between them.
- 30:58As soon as you start preventing that gene flow, now you can allow other things to layer
- 31:02on top of that to then further ratchet up the division between them and then even more
- 31:07reducing the likelihood of gene flow between them.
- 31:09So in wolves, we have this.
- 31:11So there are wolves in Canada, a group of wolves that follow the caribou, that there
- 31:15are this caribou wolves and they go up and down every year with a caribou migration and
- 31:19they protect those caribou from other wolves and they coordinate with each other about
- 31:22how to identify one that might be slightly lame.
- 31:24And they go after, they pick it off.
- 31:25They're basically always in tow of these caribou.
- 31:28There's other wolves in the forest in Western Canada who don't really go that far.
- 31:34And they subsist on a diet that changes through the year, depending on what the forest is
- 31:38willing to give them.
- 31:39So they're very good at identifying where to go when certain things are available, very
- 31:43much like our human ancestors were in changing climates and changing times of seasons during
- 31:48the year.
- 31:49When do you store stuff?
- 31:50When do you harvest stuff and where to go at certain times?
- 31:53Those wolves occasionally will run into each other.
- 31:55And again, it's very similar.
- 31:57They look at each other, they recognize each other as wolves.
- 31:59They will be sometimes even friendly with each other, but they don't mate or at least
- 32:02they mate very occasionally.
- 32:04It doesn't happen very often.
- 32:06So you're starting to get this thin edge of the wedge.
- 32:09So because of my general suspicion around top-down human-led, it was us, we're smart,
- 32:18we went and did everything, and the demonstration that at least with rabbits and the chickens
- 32:22and a host of other things, that that's not quite entirely true.
- 32:25I'm not saying that we weren't intentional in some ways or there wasn't some part of
- 32:28a human making a decision at some point, but it certainly wasn't too domesticated.
- 32:33Nobody pulled a chicken out of a tree to eat it.
- 32:34That's not how this worked.
- 32:36So why would it be then if you have no other domestic animals whatsoever that you would
- 32:41grab a wolf puppy of all things?
- 32:43I mean, geez, at least a lamb is not going to eat you, right?
- 32:46Like there's, it's crazy.
- 32:48So what I think is probably happening is that there is a relationship forming between a
- 32:54population, maybe two, maybe more populations of wolves and a group of people where you
- 33:00start to get this association largely driven by some sort of food stroke resource availability
- 33:07shared thing.
- 33:08I don't know what that is.
- 33:09I don't know what that looks like.
- 33:11But if you can imagine that wolves then start following those people and the way that modern
- 33:15wolves will follow caribou and then we become their caribou, then not only then are you
- 33:22severing the gene flow between those wolves and other wolves, but they're actively protecting
- 33:26us from their conspecifics where they don't want any other wolves associating with us.
- 33:31And that starts to start this ratcheting process where they're getting closer to us and vice
- 33:35versa, so long as that process is happening as well.
- 33:38But at least you have an initiation of the severance of the gene flow.
- 33:41Whereas if you were just grabbing a puppy and you let it go out, why would it not hybridize
- 33:44with something else?
- 33:45And then those offspring are coming nowhere near us.
- 33:48So I just feel like there are evolutionary models that exist that don't require the first
- 33:55step of being somebody smart stealing a puppy.
- 33:57I'm not saying that there wasn't some kind of action like that involved at some stage,
- 34:02but I feel like to get there, to be the very first thing through the door, it's not intentional.
- 34:07There's got to be something else going on.
- 34:09And when one possibility, and we're kind of looking into this too, is that around the
- 34:13last glacial maximum, 20,000 or so, 22,000 years ago, certainly in Siberia, there's a
- 34:19few places where there are these kind of enclaves where it appears that those regions aren't
- 34:26being hit quite as hard by the cold and the ice and everything else.
- 34:30And what you're seeing in the run-up to that is a huge drop in the populations of a lot
- 34:34of large mammals.
- 34:36And wolves are no exception.
- 34:37They get absolutely hammered in terms of their total population size.
- 34:40And paleontologically, they almost vanish off the landscape.
- 34:44So it could be that what you've got is a kind of climate forcing thing where you don't have
- 34:48a huge amount of space where everything can coexist and everything is a bit on the edge
- 34:53of their survivorship.
- 34:54And then you've got this kind of, it's almost like being forced on a blind date where you
- 34:59have this population of wolves and these populations, they're all just in the same place.
- 35:02And what are we going to do?
- 35:03I guess we'll just hang out for a while and you know, just maybe we'll...
- 35:05And then at the end of that, you may have formed this relationship, which was the basis
- 35:10for the process, which turned that population of wolves into dogs.
- 35:15And then from there, once that relationship starts, and this is what we see with the chickens,
- 35:19the chickens come to people not the other way around because of this wet rice, or the
- 35:24dry rice agriculture arrives in peninsula Southeast Asia at three and a half thousand
- 35:27years ago.
- 35:28That kind of ecological footprint involved with that sort of rice agriculture is just
- 35:34a huge magnet to the chickens because it looks a lot like the blooms that they saw with a
- 35:39lot of the other things that they were eating.
- 35:40So that draws them into a human niche.
- 35:42But once they're associated, it's the classic thing, they come for one thing and stay for
- 35:46something else.
- 35:47So the chickens came for the dry rice, but once they were associated, then it was like,
- 35:50oh, you got millet, you got rice, you got wheat.
- 35:52Sure, we'll do that too, right?
- 35:53But it was the dry rice that brought them in.
- 35:55And then once they're associated with people, the grain ceases to matter.
- 35:58But you need that dry rice to get them in first place because that's where they are
- 36:01and that's where the dry rice is.
- 36:03And it's the same thing with wolves.
- 36:04Once you have dogs, now you go through this process where you can do anything.
- 36:09And look at what dogs do for us now, right?
- 36:10I mean, nobody would have grabbed a wolf puppy with the intent of putting it into an airport
- 36:15to sniff drugs coming from teenagers coming back from spring break in Mexico, right?
- 36:19That's not why people did that.
- 36:21But yet that's the same kind of rationale that we use whenever we impose that kind of
- 36:25top down, we did it for X because Y, X and not Y or Z are a million other things.
- 36:30So I'm always curious and interested in what are the mechanisms that would allow something
- 36:34like this to happen that do not require a couple of very smart people X thousand years
- 36:39ago to just decide that a podcast in 20,000 years would be discussing it and they would
- 36:45get credit for it.
- 36:48How very interesting.
- 36:50I like the story that it all began, this great love affair began with the reluctant first
- 36:57date from both sides.
- 36:58It makes some sort of intuitive sense, doesn't it?
- 37:01Yeah.
- 37:02I mean, think about your own partners throughout your life.
- 37:05It was certainly a lot of reluctant dates there, yeah, from the other side.
- 37:11But how often is it that who chooses, who actively goes out and says, I'm going to steal
- 37:16you and you're going to be okay, sure.
- 37:19It's terrifying.
- 37:21But that's never romantic.
- 37:23That's not the romantic ideal, right?
- 37:24It's supposed to be a mutual thing, right?
- 37:26It's supposed to be two people meeting eyes across the room or whatever cliche you want
- 37:30to use.
- 37:31And that's a far more fun narrative.
- 37:32So why don't we apply that to our domestic animals and plants?
- 37:34Right, right.
- 37:35We should be giving agency to these things as much as we have ourselves, because frankly,
- 37:39neither of us had any agency in the way in which this result happens.
- 37:42I mean, you hear this about, people say this about love, right?
- 37:45You don't choose who you love.
- 37:46You don't choose who you have, you domesticate.
- 37:48Why should we?
- 37:49Will you concede this though, maybe in a form of a question, did any other humans or hominins
- 37:56have this sort of relationship or domestication from both sides?
- 38:01Do we have any evidence of like Homo erectus or Neanderthals living in such proximity consistently
- 38:07with other animals?
- 38:09Yeah, no, we really don't.
- 38:10But it kind of depends on what you're looking for.
- 38:12And often that's predicated upon a modern relationship.
- 38:15So we're looking for those signs that match the ones that we see in modern populations.
- 38:20So we're looking for like size change in the bones.
- 38:22We're looking for the male female ratios in archaeological sites.
- 38:26We're looking for a preponderance of a particular species, which would indicate some way of
- 38:30interacting them, which is different than what other populations do.
- 38:33So we don't really see, we see a lot of hunting with Neanderthals and Heidelbergensis and
- 38:41with erectus and we see stone tools and we see breaking up bones to get to the marrow.
- 38:46There's evidence of all of that, but forming relationships that get this far into kind
- 38:52of mutual interdependence, which then gets reflected in the archaeological record, it's
- 38:56just not there.
- 38:57It's not to say that there weren't relationships.
- 38:59I mean, clearly there's a lot of way, if you're hunting something, you need to know how that
- 39:06animal and how those populations of animals behave so that you can manipulate that in
- 39:10a particular way.
- 39:11And people don't just manipulate the animals, they'll manipulate the landscape.
- 39:13There's pretty good evidence, or so I'm told, of people intentionally burning fires in certain
- 39:19places and times.
- 39:20So not just to cajole animals into a certain place, but also then to encourage things like
- 39:25deer and other animals that like the early growth stuff to try and maximize the likelihood
- 39:29that you're going to find your prey of interest in a place and time.
- 39:32So people are manipulating landscapes and manipulating populations, absolutely.
- 39:37And not just by people, I mean sort of all of them.
- 39:40But when, firstly, if we say, is there any evidence of that ticking over into a domestic
- 39:46relationship, we have to be careful of what we mean by that.
- 39:49Because I think we all have an intuition around what that is.
- 39:51And that tends to mean things like tameness and control and things which aren't really
- 39:56demonstrated.
- 39:57And it's our intuitions that get us into trouble.
- 39:58Because as I was saying, we invent stories when we don't even know we're inventing stories.
- 40:02So I suspect that there will have been a lot of knowledge and a lot of interactions between
- 40:09Homo and a lot of other animals and plants, for that matter.
- 40:13But it not tipping over into what we would now refer to as interdependent relationships
- 40:19where without them, both populations suffer.
- 40:22And that's kind of the thing, right?
- 40:24Because again, if you took all people away, there's a lot of corn that's not going to
- 40:29grow next year.
- 40:30And if you take all corn away, there's a lot of people that aren't going to grow next year.
- 40:33So it becomes this kind of mutual relationship.
- 40:36But small victory for us here, I have to say, just a tiny bit.
- 40:40Small victory.
- 40:41No, I mean, there is something, I don't know if special is the right word, maybe exclusive
- 40:47about Homo sapiens that maybe, like you said, tipped us over.
- 40:52Yeah, for us to be able to participate in this relationship.
- 40:56We have to be careful about our language there too.
- 40:59Tipping over makes it sound, if not neutral, then kind of mildly positive.
- 41:03Like that was sort of the positive.
- 41:04Yes, I'll take it.
- 41:05Look around the world, right?
- 41:07What about this is necessarily positive?
- 41:08I feel like we what we are as a species is we problem solve on day to day basis.
- 41:14So we're probably we're active, we're thinking, we absolutely have communication, we do have
- 41:17control over some of our activities and our faculties, but we're not solving for next
- 41:23year.
- 41:24Like this is our species are very good on a short term basis.
- 41:28Long term thinking is not what we do.
- 41:30And we often we take for granted what we've got right now.
- 41:32So that what happens is that I think a lot of what is and there's a lot of really great
- 41:37literature about this, especially early agriculture.
- 41:39This is not people actively deciding to cut stuff down and then replant it for next year.
- 41:45So they had a stable resource.
- 41:46This is people being drawn back to that resource because they fell into it.
- 41:51It's an accident of becoming reliant upon something that they never wanted to.
- 41:56And in this way, the analogy is like your phone, right?
- 41:59I can't at this point in 2024, I can't do anything on my computer if I didn't have a
- 42:04phone.
- 42:05If I was like, oh, I'm going off grid, I'm not doing anything.
- 42:07This two factor authentication and my university means that even in my university, I have to
- 42:12have my phone to get a code to be able to log on to anything.
- 42:15Do I do I want to be this wedded to make technology?
- 42:19Maybe not.
- 42:20Do I have a choice in the matter?
- 42:21Absolutely not.
- 42:22Was it a plan five years ago to do?
- 42:23I didn't get a phone till what 2003 or four or something.
- 42:27Did I think then that, oh, yeah, now that I've got a phone, I'm going to live in a world
- 42:31where it's more free.
- 42:32Actually, no, it hems you in it pulls you in and it tightens the whole thing.
- 42:35So now you're absolutely constrained by the necessity of having one rather than the promise
- 42:40of all that was going to be possible before you had one.
- 42:43Okay, speaking of phones and speaking of social media, I believe you will agree that social
- 42:47media has become sort of a relentless pit of abuse and loading across the board.
- 42:53However, there is one exception.
- 42:55Yeah, there is one exception, though, and that's people sharing endearing pictures of
- 43:00or videos of their dogs.
- 43:01Nobody seems to be in cats, of course.
- 43:04Actually, have you seen this one?
- 43:06The ones that I find that if you're ever feeling down or you just want a good cry and who among
- 43:10us doesn't want a good cry, right?
- 43:11If you want a good cry, type in like returning servicemen dog into Google or into YouTube
- 43:17returning servicemen dog.
- 43:19Yeah, because what happens is all these people who are videoing when their husbands or wives
- 43:24or partners are coming from a tour of duty somewhere and they haven't seen their dogs
- 43:29for sometimes 18 months, three years, whatever, and they walk in the house and the dogs go
- 43:35absolutely apeshit in the best possible way.
- 43:38It's the most endearing, most loving, most like it's heartstring pulling thing you've
- 43:44ever seen.
- 43:45And it's one after another, after another, after another.
- 43:47The basset hound one is just outstanding because they just start howling like it's just it's
- 43:52outstanding.
- 43:53Okay.
- 43:54Case in point to what I was saying, nobody's impervious to that.
- 43:57So would you say that that cliche that a dog is a man's best friend holds some truth to
- 44:02it?
- 44:03In other words, is this relationship between humans and dogs truly exceptional?
- 44:06I think humans have an immense capacity for empathy.
- 44:09And often that empathy and that empathy can be applied to anything.
- 44:12So yes, a lot of people absolutely love their dogs.
- 44:14But jeez, talk to cat people talk to chicken people talk to pig people, right?
- 44:19There's chicken people.
- 44:20Oh my god, talk to backyard chicken people.
- 44:22They all have completely independent personalities.
- 44:25They all do really interesting things.
- 44:27They behave in really interesting ways.
- 44:28And they're smart.
- 44:29They know how to manipulate things.
- 44:31They know how to do things.
- 44:32And it's like they and they know how to manipulate people like they're just they're
- 44:36fascinating creatures.
- 44:37It's like anything.
- 44:38The more you get to know something, the more empathy you feel toward it.
- 44:42And the more you have a genuine kind of attraction and love and appreciation.
- 44:46So you wouldn't say the dogs occupy a certain privileged position here of universal appeal.
- 44:53You know, in South Korea only just got rid of dog farms for eating, right?
- 44:58And they did so at international pressure.
- 45:00And that put a lot of people out of work and that kind of thing.
- 45:03Dogs have relationships with people that run the gamut.
- 45:07And the majority of dogs on earth don't have names, aren't looked after, are kind of like
- 45:12your pigeons in Trafalgar Square.
- 45:14So I'm just wary of in the same way we were talking about narrative saying like all chickens
- 45:19came about because of X in the same way that like all dogs have this relationship when
- 45:24that can very much come from a very modern Western mentality of that it has to be a breed.
- 45:30It has to sleep in your house and it's not allowed to do any actual work.
- 45:33And that is a very novel, very interesting way in which dogs and groups of modern people
- 45:40have interacted that really doesn't have much of a historical analogy.
- 45:44It does seem more universal that people like furry animals like cats and dogs as opposed
- 45:52to tarantulas.
- 45:53That's like a very niche thing.
- 45:55You know, like even when you travel whatever continent you go to, it's very rare to find
- 46:01people who are like into tarantulas as pets.
- 46:04However, it's very common to find people who are dog lovers or cat lovers or whatever.
- 46:09I'm just trying to force you to say that there's maybe something else going on here.
- 46:13So that we feel some sort of natural affinity for dogs or cats, maybe.
- 46:18If we do, I think it's a numbers game.
- 46:20I don't think it's because there's anything inherent in those animals that is different
- 46:26from our capability to feel empathy and feel a love for lack of a better word toward just
- 46:32about anything else that we share our lives with.
- 46:34What is that?
- 46:35Was it a Rick and Morty line that all love is proximity plus time?
- 46:41You have something very close by for a long period of time.
- 46:43You're going to fall in love with it.
- 46:44That could be an inanimate object.
- 46:45But, or, you know- That does make some sense, yeah.
- 46:49That's what happens.
- 46:50Because there's a lot more dogs than there are tarantulas.
- 46:53You're going to get a lot more people expressing their feelings about their dogs on YouTube.
- 46:57I don't know that it's all, but fundamentally, I don't think it's that different.
- 47:02Okay.
- 47:03But when you see a little puppy, I always thought maybe that's some sort of evolutionary
- 47:08thing that they acquired to make us adopt and take care of them because they're so cute.
- 47:13It does seem, I'm not deciding that they're cute when I see a puppy.
- 47:17They're just like- Absolutely not.
- 47:19And I'm sure that there is, again, that kind of built-in empathy for juvenile creatures,
- 47:24the big eyes, the ratios of the head, the large eyes, the small, the domed skull.
- 47:28Right.
- 47:29I mean, a baby tarantula doesn't have the same effect on me.
- 47:32Perhaps not.
- 47:33But again, proximity plus time, right?
- 47:34I don't know if it needs to.
- 47:35And you can make an argument that a lot of ugly dogs get just as much love.
- 47:38They just had the ugly dog contest, the annual one, right?
- 47:40The Chinese Cresteds who just look absolutely hideous.
- 47:42But it goes, oh, look how ugly it is.
- 47:44You can still get that.
- 47:45It's like you can cry because something's very happy or very sad.
- 47:48You can have a love for something even if it's not phenotypically super attractive.
- 47:52A colleague of mine did a study a few years ago that was really fascinating where he correlated
- 47:57the timing of street dogs in Central America from when their mothers were most likely to
- 48:05kind of abandon them with the timing of when people thought that they were the cutest and
- 48:11therefore most willing to adopt them with the timing of when they were most vulnerable
- 48:16without human attention and it all lines up.
- 48:18It's really kind of, it's really interesting.
- 48:20So that it kind of, it behooves the puppies to look super cute just as when their mothers
- 48:26are ditching them and when they absolutely still need care, but the mothers aren't ones
- 48:29to do it.
- 48:30And then people go, oh, I want to adopt this and bring it home.
- 48:33Right?
- 48:34So there's this neat, there is a parallel there and there's a lot of really interesting
- 48:37things going on where they're kind of leveraging or weaponizing our empathy as a human to imprint
- 48:46upon them in the way that then they would imprint upon us.
- 48:49And then you're starting to form this relationship, but that's also because we know that that
- 48:52relationship exists.
- 48:53Like you might, if it was something else that, and say dogs and this wolf human thing had
- 48:59never really, had never emerged in dogs, then the dogs wouldn't be there for us to have
- 49:05this feelings toward.
- 49:06Right?
- 49:07So we have to be careful of that.
- 49:08Like use it's a circular reasoning to say that because we're attracted to dogs, we must
- 49:12have domesticated them.
- 49:13It's like, well, if they hadn't domesticated, we wouldn't be attracted because they wouldn't
- 49:16exist.
- 49:17It's the relationship that formed them in the first place.
- 49:19Yeah.
- 49:20No, I just passed a pet shop right now and it's always like, it's always buzzing.
- 49:26There's old people, young people, everybody's attracted to young puppies.
- 49:29They come, they come in the shop.
- 49:30It's always super crowded.
- 49:32The dogs are running immediately towards people.
- 49:34It just seems, I don't like the word natural, but it just seems seamless in a way.
- 49:38I don't know that that relationship has always been there and then the puppies are cute.
- 49:42So we take them and then, I don't know.
- 49:44Yeah.
- 49:45Stories, I suppose.
- 49:46Yeah.
- 49:47Good stories.
- 49:48And you know, it wasn't, it wasn't there for 300,000 years and then it was so.
- 49:51Right, right, right.
- 49:52Okay.
- 49:53Let's not forget about cats.
- 49:56Is the old adage that cats domesticated us to conquer the world legit?
- 50:00Again, if we look, one look at the internet, any internet, and I think we will have to
- 50:05admit a bit of a yes there, maybe.
- 50:08Ah, bullshit.
- 50:11So my issue with privileging one side of the relationship or the other, you're making the
- 50:18same mistake.
- 50:19I see.
- 50:20If we domesticate something that's just as bad as saying cats domesticated us.
- 50:23It's funny.
- 50:24It's a nice inversion and therefore humor, but equally untrue.
- 50:28Like there's, again, it's the relationship and how that relationship forms.
- 50:33So it always takes both sides.
- 50:35Is that what we're saying basically?
- 50:37That's my argument.
- 50:38And for every animal that we have really investigated, that's what's happening, which is not to say
- 50:43that there aren't times when people are making deliberate decisions to manipulate the population
- 50:48structure, but there will be a period of time before anybody's making decisions about stuff,
- 50:55which is absolutely critical in forming that relationship and that intentionality or that
- 51:00the basis for that intentionality is predicated upon a reliance upon it that would have formed
- 51:04without any intention.
- 51:06Let me, let me, I think that's clear, but probably not.
- 51:10So it's like, no, no, not really.
- 51:12So if we take, um, say cow, sorry, a cow.
- 51:18Yeah.
- 51:19Yeah.
- 51:20Well, so cow is a female.
- 51:21So that's why I thought you don't want to, you want to say cattle.
- 51:22So it's both, but like, yeah.
- 51:24So what's interesting is that the, again, the common conception is there are cows or
- 51:31cattle and people take them and they stake them and boom, you've got domestication.
- 51:35When in fact, what it is looking more like is that you already have a relationship and
- 51:41it may very well have been a hunting relationship, but people are following these animals, especially
- 51:46if they're migratory, where you're going high latitude during the summer, lower latitude
- 51:50during the winter and you know where these herds are going and very much like the wolves
- 51:55are picking off the caribou.
- 51:56You've got people picking off some of the sheep and the goat and they're following them
- 52:00around and then as people for other reasons are constrained to staying in one place, they
- 52:06cannot allow those animals now to keep moving.
- 52:08So then they start bringing them to them and that's maybe when the staking and the corralling
- 52:12and the, and the, and the pending them happens, but that's not happening in a vacuum.
- 52:16They're pending them because they're already reliant upon them and the reliance is because
- 52:19they've already formed a relationship with them.
- 52:21And that's what's really interesting to me is looking at the archeological record for
- 52:24evidence of those relationships that proceed the things that most people think of as the
- 52:29beginning of domestication.
- 52:31If we extrapolate this to cats, what could have happened here at the beginning of the
- 52:36relationship?
- 52:37Yeah.
- 52:38So we've got a fun story about this.
- 52:39We're still working on the paper.
- 52:41It's not out yet, but basically the, again, the story of cats, 10,000 now, the cats are
- 52:46also very, very-
- 52:47They're in ancient Egypt at least, right?
- 52:50Yeah.
- 52:51So Egypt is still, is Egypt is looking good.
- 52:54And what's curious about it is that in this case, it, without giving too much away, because
- 53:01we're still in the process-
- 53:02No, no, you can give too much away.
- 53:03No problem.
- 53:04I know we're in the process of publishing, so there's the whole embargo thing and everything
- 53:07else, but like-
- 53:08Okay, give us a little bit.
- 53:09Yes.
- 53:10So a little teaser is that if you think about the relationships and how and why they're
- 53:13forming, so you can get sorts of things like if red junglefowl are, they like the grain
- 53:19that's being harvested and so they're kind of, they're being attracted to the people.
- 53:22Or in the case of people, sheep, goat, and cattle, where we're kind of following around
- 53:26a landscape and then if we're no longer able to do that as much for other reasons, then
- 53:30we start pining them.
- 53:31Or in the case of chickens, once they get to Europe, then there's changes socially in
- 53:37terms of the behavior of the governments and what you're allowed to do because of the religious
- 53:42forcing of different dietary restrictions over the course of the year.
- 53:45So that's going to start altering your behavior about how you interact with animals.
- 53:49When you interact with them and that starts changing their population sizes and the closeness
- 53:54with which you are doing that, that's going to alter that behavior.
- 53:57And it looks like there are some really interesting things happening in Egypt around the, there's
- 54:05a goddess called Bess and there are people who follow her and there are temples that
- 54:12they go every year to and they pay an homage and they pay an homage in the form of a mummified
- 54:18cat.
- 54:19And this is requiring a huge production of cats to meet the demand for mummified cats
- 54:25to present as gifts to the goddess Bess.
- 54:29And how did they choose the cat?
- 54:30I mean, why cat?
- 54:31Why not something else?
- 54:32Right.
- 54:33So for a long time, Bess was portrayed with a lion head and then right about the time,
- 54:39then there's a shift, so it's still a feline, but then it gets into the North African wild
- 54:43cat.
- 54:44So there's just a cultural shift in the way that Bess is portrayed and the animal with
- 54:49which she is associated.
- 54:51And however that happens, I'm uncertain.
- 54:54But once that happens, people then start effectively murdering lots and lots and lots of cats in
- 54:59order to put them into mummified packaging so you can then deliver it like you would
- 55:03if you went to a church now, you buy a candle and you put it up at the front in memory of
- 55:06some.
- 55:07Not only it's a mummified cat, but in order to do so, you need a lot of cats.
- 55:11And so you get as this huge production for these cats that then ends up bringing them
- 55:16in much closer relationship.
- 55:17We get a much bigger population and much closer association with people.
- 55:21And that starts to change the way in which they're hanging out with people.
- 55:24And because they form that relationship, you get much closer.
- 55:26Then as people start moving, they start taking them with them.
- 55:29And now you start getting cats spreading all over the world.
- 55:31Wow.
- 55:32So it always comes down to basically proximity and then an explosion of these species and
- 55:39then some sort of weird social reason for their proliferation and then social becoming our
- 55:45pets or I don't know, food, whatever.
- 55:48OK, social, religious, community, connectivity, identity, all they get wrapped up into the
- 55:55kind of the human tornado of meaning and in so doing become important for one reason or
- 56:01another, and then that's when you start getting really fun stuff happening.
- 56:05So people going, I don't just want a pig, I want a black pig.
- 56:10And we have this all this really fun evidence where in three different places in the world,
- 56:14independently, there have been different people with pigs already who a black pig popped up
- 56:19and they're like, ooh, lovely.
- 56:21We love our penchant for novelty.
- 56:23So they start selecting exclusively for the black pigs.
- 56:26And then those black pigs start moving out everywhere and they get called different things.
- 56:29Genetically, they're all black on the outside, but genetically, it's all a different mechanism
- 56:32that gets them to black.
- 56:34But demonstrating, therefore, that it's three completely independent instances of people
- 56:37going love that black one.
- 56:39The other one, white we love, spotted we love, stripe you, anything that's kind of unusual.
- 56:44This penchant for novelty means whoosh.
- 56:46And if we can, we start exploring the possible space biologically and shape wise.
- 56:52So look at dogs now.
- 56:53My favorite stat from I was working with a high school student on this great project
- 56:57where he started looking at the Kennel Club books, the American Kennel Club books in D.C.
- 57:04or sorry, in New York.
- 57:06And the very first book that he could get was 1905.
- 57:08And we thought, OK, what is when you look at the breed standards, let's write down all
- 57:12the numbers rather than the there's lots of things like it needs to have kind of a dome
- 57:17skull.
- 57:18It's hard to measure that.
- 57:19So let's just go for the things that we can absolutely measure.
- 57:20So let's write down every time somebody said what the breed standard was in terms of its
- 57:23size and its height.
- 57:26And the biggest breed that the size that was not just allowed for, but like aimed for the
- 57:34biggest breed in 1905 was 100 pounds and the smallest one was 30 pounds.
- 57:39Now last year, the biggest one was 220 pounds and the smallest one, I think, was like 12
- 57:43pounds.
- 57:44So a standard, which is supposed to fix things, keep that in mind, right?
- 57:47We're supposed to say this is what it should always be.
- 57:50And all it does is just expand away from it.
- 57:52And the biggest dog in just over 100 years has now doubled in the AKC books.
- 57:57And that's just amazing to me because what it demonstrates is that, again, it's that
- 58:01hunt for novelty.
- 58:02It's that interesting new thing.
- 58:04And a lot of that is gigantism and dwarfism.
- 58:06And we see that in cattle.
- 58:07We see it in horses.
- 58:08We see it in cats.
- 58:09We're seeing it in dogs.
- 58:10Just name your animal.
- 58:11People start playing with it.
- 58:12One of the first things we start doing is going, we let's just see what's biologically possible.
- 58:16How big can we make this?
- 58:18How big or how small can we make this?
- 58:20Or how small, right?
- 58:21Or how short can the legs be?
- 58:23Or how long can its ears be?
- 58:24Or whatever.
- 58:25Let's take a trait and maximize or minimize the crap out of it or make it somewhat different.
- 58:29Like the cell corrects.
- 58:31Let's have the cats where the ears fold over because that's kind of cute and fun and recognizable
- 58:34instantly.
- 58:35Sure.
- 58:36There's one kitten that did that.
- 58:37So they backcross it to make an entire breeding line of cats that do that.
- 58:39Never mind that they've got all kinds of other things wrong with them as well.
- 58:42It's fun to look at.
- 58:43And then you can claim that you've got a cell correct.
- 58:45Great.
- 58:46But this is all after the fact.
- 58:47This is only after the relationship.
- 58:49That's what I mean.
- 58:50So these are the current stages of the relationship formed through interesting reasons, as you've
- 58:54rightly said, like kind of weird human societal, cultural, religious, whatever.
- 58:59Or hunting or some way in which these relationships are forming.
- 59:03Once they form, that provides the platform for us to express our own weird desires for
- 59:08novelty and fun with a whole variety of all the different varieties.
- 59:12And then they just go everywhere.
- 59:14Okay.
- 59:15I know you have to go.
- 59:16I have you here.
- 59:17You're a total expert, a scholar of these things.
- 59:20I need a clip for social media.
- 59:23So let's settle this once and for all.
- 59:25Which one is better, dogs or cats?
- 59:29I can't sit on the fence.
- 59:30I really want to sit on the fence.
- 59:31I like you can't sit on the fence.
- 59:32Absolutely not.
- 59:33Let me sit on the fence.
- 59:34Let me sit on the fence.
- 59:35There is no fence.
- 59:36I'm sorry.
- 59:37Throw rats on there.
- 59:38Why don't we just study on rats?
- 59:39Rats are fascinating.
- 59:40There's all kinds of crazy stuff going on with rats.
- 59:46The black brown thing, nobody knows about that.
- 59:48That's just amazing.
- 59:49Anyway, you're going to force me to choose between a dog and a cat.
- 59:57I mean, I'd have to go with the dog, I guess, but I'm very, very reluctant.
- 1:00:00It's like 50.1 versus 49.9.
- 1:00:03It's like choosing your kids or choosing your breakfast cereal.
- 1:00:07But you did say dogs.
- 1:00:08You did say dogs.
- 1:00:10Fine.
- 1:00:11If you need this essentialist, absolutely fine.
- 1:00:14I'm terrible.
- 1:00:15I'm so sorry.
- 1:00:16I had to do this just for the fun of it.
- 1:00:19This was such an amazing conversation.
- 1:00:21My mind is blown.
- 1:00:22I wish we could do this again because I have so many more questions.
- 1:00:26We just scratched the surface here.
- 1:00:29But yeah, it was a really, really cool conversation.
- 1:00:31Thank you for taking the time.
- 1:00:32Professor Larsson, do you have any social media?
- 1:00:34Where can people follow your work?
- 1:00:37I probably should.
- 1:00:38I left Twitter after that.
- 1:00:40Anyway.
- 1:00:41No, no, you can say it.
- 1:00:43Please do.
- 1:00:45I ethically, I'm torn with social media because exactly as you described, you said earlier
- 1:00:49that it's like this cesspool of hate and nastiness, but it's also a great way of connecting with
- 1:00:54like-minded people who share their stuff and support each other.
- 1:00:57Fair enough.
- 1:00:58I'm really torn.
- 1:00:59I was on Twitter for a while.
- 1:01:00I've never been on any of the others, but I think I'm on Blue Sky now, but-ish only,
- 1:01:06I don't know, mental health-wise.
- 1:01:08It'd be like one o'clock in the morning and my screen, I'd be scrolling.
- 1:01:12Right now, just email me if you want to get in touch.
- 1:01:16We have a website, paleo-mardon.com.
- 1:01:18That's a website for our lab.
- 1:01:19We keep it mostly up to date.
- 1:01:20We've got papers coming out all the time.
- 1:01:23I'm on the various YouTube channels doing lots of various things.
- 1:01:26I was a guest, not as a promoter.
- 1:01:28Although I've done a couple of songs that you can check out about domestic animals.
- 1:01:32There's a chicken song out there somewhere.
- 1:01:34Another one about obligate synanthropes.
- 1:01:37Anyway, yeah.
- 1:01:39Find me where you can find me and I'm happy to answer any questions you've got.
- 1:01:42Very last thing.
- 1:01:43I just saw this recently.
- 1:01:45There was a headless chicken that was alive for a year or something and they showed it
- 1:01:51around.
- 1:01:52How is that possible?
- 1:01:53I'm sorry.
- 1:01:54I don't know where this came from right now, but I just wanted to ask if you're familiar
- 1:01:57with this.
- 1:01:58It's quite old actually, and it's happened on a couple of occasions.
- 1:02:01There's also the 1920s in America, and it was in Pennsylvania, the guy who got the railroad
- 1:02:08spike through his head.
- 1:02:09I went clean through his head.
- 1:02:12Just because you have significant brain damage doesn't necessarily kill you.
- 1:02:17Usually it does, but in the cases where it doesn't, it gets interesting.
- 1:02:20My understanding of what happened with chicken is that they were trying to slice its head
- 1:02:23off, but it went a little high.
- 1:02:26All the basal functioning of what the brain was doing in terms of walking, breathing,
- 1:02:30whatever else, were all still intact.
- 1:02:33The chicken just retained enough of its brain matter to remain alive for a hour.
- 1:02:38Then of course they made sure it didn't get an infection or whatever else because they
- 1:02:41thought it was interesting.
- 1:02:42But it was only by like a millimeter, one millimeter lower.
- 1:02:45All right, right, right.
- 1:02:49What a great way to conclude the show.
- 1:02:50Again, thank you so much.
- 1:02:52This was truly a pleasure.
- 1:02:54Thank you.
- 1:02:55Yeah, it's always a thrill.
- 1:02:56Thank you so much for listening.
- 1:02:57If you liked what you heard, please consider subscribing to Smart Cookies on YouTube.
- 1:03:02What else is there?
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- 1:03:06If you really like what you heard, feel free to become my Patreon.
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- 1:03:16Just type Smart Cookies Podcast in there.
- 1:03:18You should be able to find me.
- 1:03:20Last but not least, I have to thank the absolute legends that are my producers on this show,
- 1:03:26my existing patrons on Patreon.
- 1:03:29Ida, Mancian, Micheal Medved, Medinio, Gordon, Yurechuk, Lorenzo, Mila, Carmen, Taichi,
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- 1:03:40Without you guys, this show wouldn't exist.
- 1:03:42So massive thanks.
- 1:03:45And yeah, see you in the next episode.
- 1:03:48Bye!