Stuff You Should Know - Squirrels, Ahoy!
Episode Date: May 17, 2022Squirrels are rodents, sure, but they’re rodents with personalities the size of Las Vegas and Detroit put together. Get to know your bushy-tailed (and sometimes not so bushy) neighbors who live ...interesting hidden lives right out in the open.See omnystudio.com/listener for privacy information.
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Welcome to Stuff You Should Know, a production of iHeart Radio.
Hey and welcome to the podcast. I'm Josh and there's Chuck and Jerry
is here and this is one of the greatest episodes we'll ever do as far as I'm concerned.
Squirrels. I really want to squirrels. I've been doing that all day.
It's wonderful. That is so wonderful. It is. That song isn't but you know.
Yeah. Yeah. If you go back and listen to BC Boys, you're like, wow.
They speak them a long way though and we're announcing that stuff. Yeah, for sure.
Sure. So we're talking not about the BC Boys surprisingly. We're talking about squirrels.
In the morning, it's squirrels. Every evening, it's squirrels.
Squirrels, two syllables, right? I don't care. However you want to say it,
they're wonderful little squirrels. Sure. Or Boston, I guess probably they say it similarly as well.
Yeah. But if you want to get fancy, you can bust out their Latin name.
They're members of the rodent order but for their family, they're scuriday, scuriday.
Nope. Scuriday. I look this one up.
Sierra die. I like mine more. Okay. Did you just toot on my presentation?
Yeah. Even though it was correct. Did you give me a Bronx cheer? How is it?
Is it scuriday? Well, let me do the person online. Sierra die.
Okay. Is that Emma who said that? Or scuriday was another but I think we've heard from people
that DAE is die. Okay. And that's fine. If that's what it's called. I'm just going to call them
squirrels from now on but there's actually like 300 species of squirrels and it's kind of hard
wrap your head around because usually if you live in a place with squirrels, meaning you live on a
continent outside of Antarctica. Yeah. Like everywhere basically. There are probably a lot of squirrels
living around you and they probably all look basically exactly alike because it seems like
when they fill an ecological niche, brother, they fill it and there's not much room for
competing species. It seems like from my experience. Yeah. I mean there are and who helped us with
this was this as a grabster. Yeah. So grabster points out that, you know, you can find mountain
squirrels and city squirrels and forest squirrels and jungle squirrels and desert squirrels. You can
find squirrels in Alaska that hibernate with the lowest body temperature of any mammal.
They have body temperatures below freezing at times. It's so cool. You can go to Africa and find
one of the cutest squirrels, the African pygmy squirrel, which is as small as a tiny little
mouse where you can go to Bhutan and find the giant flying squirrel of Bhutan that with their head
and body and is over two feet long with that tail. They're huge. No, two feet long without the tail.
Oh, without the tail, yes. They're distressingly large. Yeah, because the squirrel tail will get
into this, but that's one of their signature features generally, although depending on the
species because there are 300 species, like you said, more than or almost 300. Some of those
tails are a little diminished, but usually when you think squirrel, you think of that big bushy tail.
Yeah, and not only when you think of squirrel, you think of the tail, but the Greeks themselves
or somebody decided that a Greek term would make sense, but scurios or scurios, which roughly
means something like shadow tail. Ed says shady butt. I also saw shadow tail, which is a reference
to how squirrels sometimes hide in the shadow cast by their own tail. It's pretty, pretty clever,
but the squirrel is usually kind of the bushy tail of the squirrel is what makes a squirrel a squirrel.
One of the other things that really differentiates it from other rodents is the way that its jaw
and muscle are attached to its skull. There's actually a name for it,
ceromorphous zygomasoteric system. Hey, look at you. Hookdown phonics works for me.
You even recorded the new pronunciation. That's right. You worked it right in there with the
ceria dye. I adapted. Yeah, because you should have heard it before when I was workshopping it.
That was the first take, everybody. We're not lying.
So those are two things that really kind of differentiate squirrels, but as we've really
gotten better and better at taxonomy with the introduction of genome mapping, we can see like,
oh, this animal that doesn't look anything like this animal is actually really closely related.
And with just about every other animal we've studied using modern genetic taxonomy,
squirrels are our understanding of squirrels has really kind of changed shape of who's related
to whom, who's descended from who, but we're kind of going to go the old school way,
which is differentiating them based on their habitat and their behavior.
So there's three groups of squirrels that we're going to cover,
even though there's technically five sub-families now, ground squirrels, tree squirrels, and flying
squirrels. And before we go any further, I officially dedicate this episode to Momo,
one of the great lovers of squirrels of all time, who changed me and my heart towards squirrels.
I used to be a squirrel hater, Chuck. You remember? Oh, I love squirrels.
You remember? Oh yeah, the bird feeder.
Momo pointed out to me, said, dad, squirrels are great. I'm going to teach you to love them,
and she did. Yeah, dogs and squirrels. It's what was the Disney,
it was either Pixar or Disney had an animated
movie where the dog would just stop and go, squirrel. Anytime there's a squirrel,
I can't remember which one it was. I don't remember. It wasn't that long ago.
But before we move on to ground squirrels, it is kind of fun to learn that because of that DNA
analysis that we now have at our fingertips and fossil evidence. We know that squirrels
went to Western North America 35 to 40 million years ago because squirrels like to get around,
as we will see. They crossed a land bridge to Eurasia about 10 million years after that.
And then as soon as they could, as soon as Eurasia met up with Africa about 20 million years ago,
they went, all right, we're in Africa now too, because squirrels like to get around.
They, as you will see, well, we'll just tease that and say squirrels like to get around.
Yeah, I mean, you put one tree next to another, squirrel's going to go from tree to tree,
put another tree, squirrel's going to go the next tree. And if you put trees all the way across
one continent to another, they're going to migrate. That's just what they do. And that's what they did.
But if I thought I loved squirrels before, now that I know that they're actually native
from 35 million years back to North America, I just think that's just the tops.
Yeah. And we talked about it before when you were having your bird feeder issue. But,
you know, Atlanta is a city in the forest and we have tons and tons and tons of squirrels kind of
everywhere along the East Coast does, but Atlanta just has a lot of squirrels. And as I was reading,
you know, from my upstairs office, there's a window not right in front of my face,
but sort of above me and our huge big beautiful oak in our front yard. I'm doing this on squirrels.
I just look up for a second and I see four squirrels running around that tree together playing,
like circling it like a barber pole. Yeah. I take my daughter to school this morning.
And I count the squirrels that I see on the way. I counted 22 squirrels that I just saw on a,
you know, 12 minute car ride. You hit one of them. There I have before it's the worst thing ever.
It is the worst. But they're everywhere in Atlanta. And it hit me a while ago
about how easy it is living here, just a, or anywhere where there's a lot of squirrels,
just to sort of be like, yeah, the squirrels, but it kind of hit me like how crazy it is
that there are these little mammals. They're not hiding in holes generally like mice and stuff
like that. Yeah. Like they're just out all over the place at all times. We're surrounded by these
little mammals. Yeah. Out and proud. And if you come close, too close to one of their trees when
you're walking by and the squirrel doesn't like it, he's going to sit there or she and chatter at you
and basically tell you to beat it. You punk, get away from my tree. That's how, that's one of the
great lovable things about squirrels. They have such huge personalities. They're just so great,
Chuck. I remember my famous squirrel attack not too long ago. When I went outside, I got it on my
doorbell camera and that squirrel leapt through the air and hit me in the leg. It was a complete
accident. Of course, I don't think the squirrel was trying to kill me, but you don't know. They're
just, they're all over the place. We're going to get to all the fun stuff about the black squirrels
of New York and why squirrels stop in the middle of the road when they go to cross the street.
Like they're, we found reasons for all this stuff, which I love. It's not that squirrels are dumb
and we're going to reveal all that in this episode. Okay. I'm a little excited. I'm a little worked
up. I know it's a tad early, but I say we take our first break. Okay. We are so squirrel positive
that I mean, it's a great way to put it, Chuck. All right. So are we taking a break?
I say. All right. I need to calm down too. And I guarantee you, I'm going to go like blow my nose
in the other room. I'm going to see a squirrel. I'll be right back. Hey, I'm Lance Bass, host of the new iHeart podcast Frosted Tips with Lance Bass. The hardest thing can be knowing who to turn to when questions arise or times get tough, or you're at the end of the road. Okay, I see what you're doing. Do you ever think to yourself, what advice would Lance Bass and my favorite
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And lately, I've been wondering if the universe has been trying to tell me to stop running and pay attention. Because maybe there is magic in the stars, if you're willing to look for it. So I rounded up some friends and we dove in and let me tell you, it got weird.
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All right, Chuck. So as promised, we're going to break squirrels down into three groups, ground, tree, flying, or aerial. And I propose that we start with the ground squirrel.
Sure. Many species of which you probably, not you, but I mean you, dear listener, and may all include too, didn't realize were actual squirrels.
Yeah, I didn't notice either.
Groundhog Chuck?
Did not know that was a squirrel.
Chipmunk?
I had a feeling that might be a squirrel.
Gosh, they're so great too.
Yeah, I love chipmunks.
What about a groundhog?
You already said groundhog.
Did I?
Yeah.
Okay.
I'm loving a list of four things.
I'm swirling.
I'm swirling still at my love of squirrels.
Prairie dog.
Yeah, well that was coming out of my mouth next.
A prairie dog.
Yeah, a prairie dog.
Didn't know that.
What about that?
Meerkat?
I didn't know that.
Well, that's because they're not, but.
Oh, okay.
Prairie dogs, chipmunks, and what was the other one I said?
Marmots.
Yeah, marmots.
And groundhogs.
And groundhogs.
Those are all ground squirrels.
They're squirrels, friends.
And that makes them pretty awesome, but one of the reasons why they, you wouldn't think
they're squirrels is because in a lot of those species, they lack that characteristic bushy
tail.
Yeah.
But then also they live almost a totally different life from their tree dwelling, more
famous cousins.
Yeah.
I mean, they might climb a tree, but generally you're not going to see a groundhog or a prairie
dog up in the tree.
If they knew, if they need to, you know, for a brief time, if they're trying to find food
or something or like on the run from something trying to kill it, they might go up in a tree.
But they generally hang out on the ground, hence the name.
Yeah.
They love their rocky terrain.
Chipmunks for just speaking for them are pretty solitary unless they're trying to reproduce.
Yeah.
But I know that you found some stuff.
Was it on the prairie dogs that have their big families and colonies?
Yeah.
I mean, that's one of the main characteristics of ground squirrels in general aside from
a couple, but that they're much more communal than tree squirrels and in particular, the
largest town, a prairie dog town is what they're called.
The largest prairie dog town on record is in Texas because of course everything's bigger
there.
But it was a colony of black tailed prairie dogs and this town, Chuck, stretched 100 miles
wide.
Wow.
By 250 miles long and contained 400 million prairie dogs.
Oh my gosh.
Again, ground squirrels all living in this kind of large community.
Geez.
I mean, that's like a Chinese mega city or something like that times 10.
Yeah.
So are these the ones that tend to stay grouped with their own sex?
No.
Those tend to be either tree squirrels or flying squirrels.
These are more, because they live in communal groups and kinship is a big deal, ground squirrels
like prairie dogs tend to have a really good ability to smell the scent of other ground
squirrels so they can tell who's a blood relation, who's not.
Oh, okay.
And they've done studies to see if a ground squirrel, they have a lot of really sophisticated
calls too because they're alluring others to the presence of a rattlesnake or a hawk
or something.
Right.
So they're really talkative and they have a lot of sophisticated different communication
and they found that like a prairie dog that will stand up and take the time to risk its
own life to alert others, it's actually alerting the others that it's alerting are actually
related by blood and the ground hawk or the prairie dog knows this because it can smell
its blood relations among all these other extended family members in the town.
There's not much cuter than a squirrel sitting up on its rear haunches.
Whether it's, I mean, obviously those prairie dogs, they do it for a living, but even our
eastern gray squirrels sit up on those back legs if they want to work a nut with their
little front paw pads.
Yeah, or a chipmunk on its back legs, it doesn't get much cuter than that.
There's a little busy hands, goodness me.
Yeah.
All right.
So we can move on to our tree squirrel.
This is, they're known as arboreal squirrels obviously because they are tree squirrels and
this is when you're talking your eastern gray squirrel.
This is not a ground hawk.
This is not a prairie dog.
This is your dyed in the wool, cute little fluffy tailed sort of, you know, they're called
gray, but they're sort of a light brownish color generally, although the colors do range
as we'll see.
And these are the ones that you're going to find all over Atlanta, jumping around, climbing
around, leaping at podcasters in their front lawn.
They spend most of the time, I mean, you see them on the ground plenty, but they look
like they live in trees.
They nest in trees called drays or drays or drays spelled with an E or an A.
Right.
And you probably, if you've ever looked up and seen a mass of like sticks and twigs in
a leafless tree in the middle of winter, you're looking at a squirrel's nest called a dray.
And this is where you were asking about them staying in like same sex groups.
Normally in the winter, even though the tree squirrel does not live in a communal society
like a ground squirrel does, they're still social.
They still interact with one another.
They play, they chase, they chase one another off.
They like mate, but when it gets really cold, tree squirrels will kind of group their heat
together by staying in a dray communally up to like 30 members.
It's adorable.
Yeah.
So I want to do a little exercise here real quick, Chuck.
I want you to use your imagination.
My eyes are closed.
Imagine a very cold winter day, the winds blowing, snows being carried on the wind, and it's
passing by just outside a woodpecker hole, and we're inside that woodpecker hole.
I love it.
It's dark.
The light is very, very faint because it's kind of an overcast snowy day to begin with,
but we're also inside a tree in an old woodpecker hole, and it's lined with a bunch of different
leaves, and there's half a dozen or so squirrels all kind of snuggled together, sleeping, sharing
their warmth as the winter day passes by outside, and they snooze an afternoon away, fat on
acorns that they all just ate.
Oh boy.
Isn't that amazing?
I almost fell asleep.
You're real Robert Frost, my friend.
Thank you.
That was something else.
I like to think Robert Redford crossed with Robert Frost, but sure.
Well, you know, Robert Redford, if you look in the mirror, but Robert Frost, when you
pick a bin up.
With the touch of Robert Goulet.
If you sang it, surely.
Oh man, that really did almost put me to sleep.
That's quite nice.
I love that scene.
So, here's a little fun adaptation that squirrels have.
If you see a tree squirrel running down a tree face first with little resistance, just like
it was made to do it, it's because it is, and they have those little claws, of course,
that really helps.
But if you look closely, or if you look up a picture, rather, and you see like a still
image, you will notice that they have the ability to, and Ed says they can turn their
feet around.
They really kind of just turn their whole back legs around backwards.
To where those claws are gripping on the way down.
And that's why they're, you know, it's like the perfect adaptation to be able to run
up and down a tree.
So have you ever watched one do that up close?
Sure.
So anytime I've seen that, if you look their legs, because they're turned around, it kicks
kind of their elbows out a little bit.
And though they climb down, it looks a little different, and I've noticed that it triggers
the part of my lizard brain that's like a spider alert that's triggered by that.
So it's like a giant furry spider is coming down to some little part of my brain that
sends off an alarm.
And it's really off-putting sometimes until I, you know, the larger part, the executive
functioning part of my brain is like, it's a squirrel, don't worry.
But there's that one just zap of like, this is weird and scary for a second, but it happens
to me from time to time when they come down the tree like that.
Well, it can be a little startling, you know, if you're going to take out the trash or something
and your trash can is next to a big live oak like ours is, and there are two or more squirrels
that are, they seem, I don't know what they're doing.
They seem like they have a beef with one another, but maybe they're just playing chase.
But when they're really boogie in up and down and around a tree, right as you walk upon
it is, it can be a little bit like, oh, okay.
I read that when one was chasing the other, it's a part of the mating ritual.
Oh, okay.
So that's, that's embarrassing for them.
Right.
I don't, I don't know if that's across the board, but I saw that in at least one place.
All right.
I like knowing that.
Here's another cool thing about squirrels.
They have, all kinds of squirrels have scent glands and it depends on the species where
that scent gland is located.
It can be near their little bum hole.
It can be near their mouth in the corners of their mouth, can be on their back.
But in the case of the tree squirrel, they have their scent glands on their feet and
sweat glands on the bottom of their feet.
And they are a squirrel that buries their, their food over large, large areas, sometimes
like up to 25 acres can be their habitat where they're burying and hiding food.
And they are literally, every time they walk to bury something, they're leaving a little
scent trail that they can go back and pick up ideally, but it's not a perfect system.
Sometimes they will lose stuff and not be able to go back.
But what they have then done is planted a tree.
Yeah.
Which brings up their huge ecological role, which is like planting new forests, like keeping
forests healthy by forgetting about nuts and the nut is actually a seed and it grows into
a new tree that the squirrel helped move away from the tree.
It's amazing.
It's expanding its range.
They're known as the gardeners of the forest.
Yeah.
And we did a whole short stuff on squirrels burying nuts and I remember one of the things
that came up was there was a study that found that if they, if they know they're being watched
by another squirrel, they'll fake dig a hole and then won't drop the nut in it and then
it'll go somewhere else and mislead a squirrel that they think is watching them.
Yeah.
They'll look around first and be like, did anyone see that?
Yeah.
I think I'm good.
Todd was watching.
I better not drop the nut in this hole.
He'll come along.
So that's what the, I'm sorry, not flying, but the tree squirrels, that's how they use
their scent.
The ground squirrels, we should say, mainly use their scent glands to mark their territory
and because they're all about their clan or their colony to sort of mark their territory
and find out if someone is a part of their clan.
Yeah.
And then also, as far as scents go, I saw some, somewhere that some kinds of ground squirrels
that are prey to rattlesnakes will actually find shed rattlesnake skin and rub it on
themselves.
Oh, wow.
Chew it up and rub it on themselves to give themselves a rattlesnake scent to throw off
rattlesnakes.
They camouflage their scent.
That's pretty cool.
Yeah.
I wonder if they ever wear it and just like fashion a couple of holes and stick their
arms through.
Yeah.
And they brag that they killed it.
Yeah.
Have you, oh man, I shouldn't even mention this.
Yeah, I'm going to mention it.
Have you, because it is, it is a roadkill, but have you ever seen the pictures of the
squirrel roadkill with the little GI Joe action figures?
No.
Just look it up.
I can, they aren't squirrels that someone killed.
It's someone will take a roadkill picture of a squirrel and they'll take the little GI
Joe figures as if they were big game hunters and they'll have their guns and they'll have
like one leg up on the squirrel's head as if it was their trophy and the squirrel looks
positively giant next to the little action figures.
It's kind of funny.
I'll have to check that one out.
I don't want to encourage people.
Maybe I shouldn't have even said anything.
Well, I don't know if you're encouraging people to like swerve onto a squirrel, you know.
There's probably just that one guy.
Or kill a squirrel to do that, but maybe just look it up on the internet if you want to
see that.
Yeah.
If you kill a squirrel and we find out about it, we're coming to your house.
I know.
Okay.
With the ghost of that squirrel.
Yeah.
That will introduce to your attic.
There you go.
So have we moved on to flying squirrels yet?
Yeah, let's do it.
Those are, you know, but the old story when we had one growing up for a little while,
you probably don't remember, but my uncle gave us his flying squirrel to watch for a
while and he would leap from the curtains on the other side of the room onto my shoulder.
And then when we went out of town, apparently they said the squirrel got out.
But now that I'm an adult, I realized that the cat ate the squirrel.
Oh man.
Yeah.
Just to recap that childhood trauma.
That's, wow.
Okay.
But for a little while we had a flying squirrel in our home.
For a brief shining moment.
That's the upshot.
So a flying squirrel, I thought this, I thought they were fairly rare.
Apparently they're as common as tree squirrels in some places.
The reason that you think they're rare is because they're nocturnal.
So we're usually sleeping when they're out and about.
I love thinking about those things just flying around all night.
Yeah.
And flying is right, man.
I saw Ed says that they can glide up to 150 feet.
I saw 300 in some cases.
Wow.
And that's what they're doing.
They're gliding.
They're not flying.
They have no means of like propulsion, but they have a skin flap.
They've evolved the skin flap that is the bat suit that people like skydive with.
That is basically 100% on the flying squirrel's membranes between its front legs and hind legs
that it can spread out when it jumps and it just catches the air and they can move it
this way and that and use their tail as a rudder and go 150 feet in a pretty purposeful
direction too.
Did you say what the name of the flap was?
No.
You want to?
No, I probably screwed up.
I'm going to go with a Pataegeum.
That's great.
I wonder what they call that.
Pataegeum.
I wonder what they call that in the flying suit biz, extreme flying suit biz.
I don't know.
And I think they call them bat suits, but that's a misnomer if you ask me.
I got to say.
I mean, I'm not into any of that stuff.
I would never do it, but those videos are amazing and it's as close as humans have come,
I think, to flying.
It feels like.
Agreed.
Yeah, I would have to have probably a lobotomy to actually try that.
It would take that radical of a personality change for me to try.
Well, I mean, sure, that kind of thing.
That's the most extreme, like years and years of training, skydiving, training and stuff
like that.
Like running.
You don't just jump into a bat suit.
I don't know.
Definitely not.
But even if you do, once you get to that point, I can't imagine how dangerous that is.
If you smack into something, you're going really fast.
Yeah, yeah.
You're toast.
Yeah.
And that happens, sadly.
But I get the impression that the rush is worth the risk.
That's right.
And speaking of risk, there are endangered flying squirrels, the Carolina northern flying
squirrel.
And we talked a little bit about these little land bridges that are starting to pop up in
the United States over passes and freeway crossings.
And I just read today, there's one in LA that's opening up that's like 160 feet wide.
I can't remember the name of it.
It's named after someone.
And to allow cougars and mountain lions to pass and all kinds of animals.
And they're using, they have done studies for squirrels and they found tagged, like
radio tagged squirrels are foraging and building on the other side of these massive freeways
thanks to these bridges.
It's been proven to work.
Yeah, for sure.
I think it's called the Robert Evans Memorial Animal Land Bridge.
Baby.
Yeah, if only.
So that actually kind of leads us to a quote I ran across Chuck, because if you put, like
I was saying, if you can kind of connect a tree to another tree, which really ties into
that rewilding episode because you're using, you're connecting core to core via corridor
basically is what they're doing with that.
That there was an old saying that before, not too long ago, I think in the end of the
18th century, maybe even early 19th century, that there was so many chestnut trees in North
America that a squirrel could make it from Maine to Georgia without ever touching the
ground.
Yeah.
Where did we cover that in?
Was it?
I don't remember.
I remember that factoid.
That's a great one.
So it really kind of goes to show like there used to be a lot more forests in the United
States, but there were also a lot more squirrels because there's a positive correlation between
mass-producing trees, which are chestnut, beech, oak, trees that produce nuts that squirrels
and other forest animals eat, and the number and population density of squirrels in an area.
You have a lot of mass-producing trees, you're going to have a lot of squirrels because again,
they fill their ecological niche to basically bursting.
Yeah, and they bursting with food because they are opportunistic eaters is what Ed says,
and that's a pretty good way to say it because while obviously if they can get fruit or nuts
and seeds, that's the stock of their diet, but they will eat whatever keeps them alive.
They will eat insects and fungus, and they actually spread fungus, which is great.
They eat roots, they have found little tiny eggs and little tiny birds and little tiny
lizards in the guts of squirrels, so they technically are omnivores, which is just to say squirrels
are remarkable at staying alive, and they will eat your garbage, they will eat whatever
they need to, but that's only if they're not finding the nuts and the seeds and stuff
like that, which there are generally plenty of in the United States.
One reason that they're suited for nuts or that nuts are suited for them is because they
have two sets of incisors, I believe an up and a down is the technical term, and they
grow constantly throughout their lifetime.
I think they grow something like, is this even possible that I'm seeing it six inches
a year?
Well, I mean, they're constantly grinding them down, so I think if a squirrel was in
a coma, they could have six inch fangs.
That's crazy, and then apparently if they don't continuously grind them down and they
kept growing, they would grow through the top and the bottom of their face, all of Lisa
Simpson that time she needed braces, but that's crazy, so they use these very, very hard nuts
like a chestnut or pecan or walnut shell to impart, it's a food source, but as they're
getting to the food source, they're keeping their teeth ground down, which apparently
they have to do all the time.
That's pretty amazing.
Squirrels also like a little sweet treat every now and then, they have found red squirrels
in Maine that will tap sugar maple trees, they make little bite marks in the tree, and then
they just say, all right, do your thing, and they come back a few days later, and that
trap has hardened up and run out a little bit, and that is just a little tiny sweet
treat for a squirrel.
That's right, it was pretty awesome.
They also found that squirrels can learn by observing other squirrels doing something,
actually finding new ways to get food, they're adept at that.
Oh, okay, so they see Todd doing something, and they say, not a bad idea, let's give
that a shot.
Yeah, that Todd really came around.
Yeah, and if you'll notice, I think we kind of skipped over this, if we didn't mention
Australia, squirrels I think used to be in Australia, but aren't so much now, and is
it a mystery, or is it just the obvious that the Australians were like, it's all in mate?
I don't know, I didn't see that anywhere, but I know that they introduced the eastern
grey, and then in Perth they introduced the Indian palm, which is like, if you mash together
an eastern grey squirrel and a chipmunk that would be an Indian palm squirrel, but apparently
they both died out, I don't know if it's a mystery or not like you're saying, but supposedly
there's some feral colonies that escape from zoos, at least in Perth, so there are wild
squirrels in Australia, but they were introduced in the 19th century, which is actually a trend
as we'll see.
But I say, before we tackle all that, we take a break, how about that?
All right, we'll take the break, and we'll talk about squirrel migration right after this.
Hey, I'm Lance Bass, host of the new iHeart podcast, Frosted Tips with Lance Bass.
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I'm Mangesh Atikular, and to be honest, I don't believe in astrology, but from the moment
I was born, it's been a part of my life.
In India, it's like smoking.
You might not smoke, but you're going to get secondhand astrology.
And lately, I've been wondering if the universe has been trying to tell me to stop running
and pay attention.
Because maybe there is magic in the stars, if you're willing to look for it.
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Tantric curses, Major League Baseball teams, canceled marriages, K-pop.
But just when I thought I had to handle on this sweet and curious show about astrology,
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It changed.
Whether you're a skeptic or a believer, I think your ideas are going to change too.
Listen to Skyline Drive and the iHeart radio app, Apple podcast, or wherever you get your
podcasts.
Okay Chuck, so as I was saying, like back before pre-colonial days in particular, but
also even into the 19th century, I think even the 1960s, there were reports of massive
numbers of squirrels basically stampeding.
They call them squirrel migrations and they have been documented enough times that it's
not an anomaly, but they are fairly rare.
And today, they've kind of figured out that there aren't dense enough populations of
squirrels to ever have a genuine like squirrel stampede like they had before.
But there used to be so many of them that every once in a while, thousands to tens of
thousands to tens to tens of thousands of squirrels would pass generally in like a big
wave over an area.
And apparently it was quite a thing to see.
I imagine it was, and this happened because there would just be a really big fruitful
year for squirrel food, tons of availability, and they would, you know, they would boom
in numbers because they go to where the food is.
And usually if that is followed by, I guess historically when that was followed by a really
bad year, like the rain, you know, didn't work out so great for producing nuts and seeds
and stuff and fruit that all of a sudden you've got a ton of squirrels in an area that are
all looking around going, oh, what's the deal?
And they're opportunist.
So they said, all right, we're getting out of here, we're going to where the food is.
Let's go everybody.
And they would do it all at once.
Yeah.
All at once for some reason.
And so there's migrations.
They would be running through the forest, they'd be running across fields, they'd be swimming
across rivers.
And apparently in at least one account I saw, they would be gulped up by bass in the rivers.
And I can't imagine seeing anything worse than a squirrel being eaten by a fish.
That seems unnatural.
Yeah.
But there were so many of them.
And this is also at a time where squirrels were roundly among basically everyone living
in America viewed as vermin, as invaders, as things that were unwanted, but also a tasty
food source too.
Yeah.
So anytime there was a squirrel stampede, the yokels would run out with their sticks
and bags and beat squirrels to death and then cook them and sell their pelts and do all
sorts of things with them.
And one of the reasons why they were viewed as vermin, Chuck, is because on these squirrel
migrations and other times where they were just, if you were unlucky with your planting,
those squirrels might see as a food source the crops you just planted, all those seeds
and would dig them up and ruin your year's crops in a day or so.
So people didn't like squirrels for a very long time.
And this idea of squirrels being everywhere, these little mammals living among us like
you were talking about earlier, that's fairly new and that's actually very deliberate and
purposeful because squirrels were basically gone up until about the mid to late 19th century
in America.
Yeah.
I mean, between being hunted because people hated them on their farms.
Like you said, people and people still and like generally in certain parts of like Appalachia
still eat squirrel on the menu.
It is a little gamey from what I'm told I'm never going to eat a squirrel, but they still
use pelts, but that kind of, you know, just like they would eat any larger mammal and
use their pelts, they would just get crafty with, you know, as small as a squirrel.
And certainly in times of, you know, real need, you know, small rodents would come in
handy on the menu back then.
But they were almost gone.
We started growing more urban in the 1800s, obviously, and they were killing squirrels
as fast as they could.
And in the 1840s and 50s, there were so few squirrels that they were introduced to city
parks, but not many at first.
They were just like this weird curiosity where you would go out kind of like bird watching
and you would like try to spot a squirrel running around because it was such a novel thing.
But then by the time Frederick Law Olmsted, who by the way deserves his own podcast, came
along and really introduced the idea of these really large city parks and urban parks.
They introduced a lot of squirrels to these parks and they really, really like that's
kind of why we have the squirrels we have today was from this movement to reintroduce them
in a big way to urban parks.
Yeah, and I mean, we talk kind of a lot about that whole idea in our Central Park episode,
this idea that they just kept building the city and building the city and people started
going crazy because there weren't green spaces.
So that brought the parks in and then the idea of adding animals to the park just to
kind of naturalize it even more, that squirrels played a huge role in that.
And not only in Central Park, but also it started out in, I believe, Philadelphia and
then followed by Boston.
So by the mid to late 19th century, that's when squirrels started to reestablish themselves
in the way that people saw squirrels started to change too.
And there was this idea that they weren't vermin anymore.
Don't shoot them.
Please try not to hit them with a stick.
Instead, let's go to the park, spend some time outside and bring some nuts with you
and maybe feed the squirrels.
And not only you feed the squirrels, but you got a little kid.
That little kid wants to hit that squirrel with a stick so bad because kids are awful
like that.
Good luck.
But you can actually use squirrels, feeding squirrels as a way to teach kids to have compassion,
to be upstanding morally, to have charity.
And that was kind of how the whole interaction between humans and squirrels was kind of framed
around that time, like the late 19th, early 20th century.
Yeah, the Boy Scout co-founder Ernest Thompson Seaton said that squirrels and introducing
them to boys in general would cure them of their tendency toward cruelty.
But I said, good luck a second ago.
I mean, I guess if there's a stampede, but you show me a kid that can get a squirrel
and hit it with a stick.
And that's a future Olympian.
Sure.
There's no way.
Those things are so fast.
But don't try to do it, kids.
Definitely.
Don't practice that.
Don't try to qualify for the Olympics and that because you'll show up to the Olympics
will be like, we don't have that.
That's not one of our sports.
What do you think this is, Australia?
So these days, we've kind of come full circle into just sort of letting squirrels be.
There are, if you're a hunter in the United States, and maybe the tradition in your family,
if you live out in the country to start off your child with hunting squirrels with a little
.22 rifle or something to as practice to teach young hunters.
I'm certainly not into that, but I'm not going to judge you if that's your thing.
And like I said, people still do eat squirrel in certain parts of the United States today.
I guess we can talk.
I mean, we found a lot of extra fun stuff.
Well, well, let's talk about.
So we were talking about how they're viewed in America, depending on where you are in
the world and depending on the squirrel you're talking about, they can be viewed quite negatively.
I remember in our rewilding episode, we talked about how Eastern gray squirrels are considered
an invasive species in Italy, where they call them American killer squirrels.
And there's also an issue with Eastern gray squirrels in Europe, where they've killed
off most of the Eurasian red squirrels over there.
Oh, that's true.
They've just outcompeted them.
It's not like they've choked them or anything like that.
They're like almost twice as big, they're a lot more ornery, and they've just kind of
diminished the number of Eurasian red squirrels in the UK, so much so that three quarters
of the population lives in Scotland.
And I would just like to direct everybody to the Scottish Squirrels website.
Go to scottishsquirrels.org.uk, and this is very important, slash about.
And on their about page, the header image is maybe the cutest squirrel you'll ever see
in your entire life.
Is that the one he sent me and Jerry?
Yes.
Yeah.
Isn't that the cutest squirrel ever?
It's pretty cute.
You also sent something else.
If you go to RSPCA.org.uk, slash adviceandwelfare, slash wildlife, slash animals, slash gray
squirrels, slash feeding, or you could just Google feeding squirrels and using nest boxes,
you're going to see a squirrel with a chicken wing in its mouth.
That's pretty cute too.
It's better than a bass eating a squirrel, I'll tell you that.
Yeah, that's a good article you sent because it talks about if you like squirrels around,
which I certainly do, creating a good habitat for them, trees obviously is a good thing
to have, not cutting down trees is a great thing to do if you can avoid it.
And then having squirrel safe bird feeders, and this means not that the squirrels can't
get to that seed because as you have attested, they will find a way, life finds a way.
But it won't trap the squirrel inside of it.
No, that's a big one too.
They also kind of get into, they get all Macbeth or Hamlet.
Which one was to be or not to be?
Why are you asking me this and putting it on the spot?
Because they get all Hamlet or Macbeth on whether or not to feed squirrels.
There you go.
So they're like, you could feed squirrels, but really you shouldn't.
And the RSPCA takes, I think, a pretty sensible tact, which is build a habitat for the squirrels
and that you're planting the right kind of trees that provide a place for them in the
nest and a place for them to get food and then just step back and enjoy them.
That should be enough.
But if you're like, you know, me and Moe and you go on walks or whatever and you want
to feed the squirrels, there are some things that are better for squirrels than others.
It's basically you want to give them what they would naturally eat, which is mast, unshelled
nuts like walnuts, chestnuts, acorns, hazelnuts, that kind of thing.
Sunflower seeds probably, huh?
Yes, but not black safflower seeds.
I saw that if you were one of those people who can't stand squirrels raiding your bird
feeder, black safflower seeds are, they'll eat them, but they're not crazy about them
and most birds like them instead.
So that's one way to do it.
But you can also feed them vegetables too.
And Chuck, they included this little tip that I didn't realize, but if you're feeding squirrels
or leaving food out for squirrels in your yard and you have a garden that you care about,
you don't really want the squirrel taking the food and then burying it elsewhere.
So they said, if you're going to feed them fruits and vegetables, shred it because the
squirrels is going to eat it there.
It's not going to try to bury it.
I thought that was smart.
Yeah.
And if you have the nuts, don't give them like honey roasted almonds, like unsweetened,
unsalted stuff.
I have set up, you know, I have a camp cam at the family camp trail cam and it's keyed
in on my deer feeder that I got, which is corn.
And I've seen one deer, but almost every night I have scores of raccoons.
And almost every day, well, every day, I have squirrels, crows, and now daily turkeys visiting.
Oh, neat.
Lots and lots of turkeys.
So I don't care that the deer aren't visiting.
It's all kinds of animals are coming around.
It's always fun to watch on the camp cam.
That is very cool.
One thing you want to be careful with with peanuts too is giving them raw peanuts because
peanuts can carry an aphelotoxin, which is very, it's not good.
It's not good for squirrels.
It's not good for humans either.
It's a type of fungus, I think, that actually is not only carcinogen or carcinogens that
can actually like just kill you on the spot neurologically speaking.
So you actually want roasted peanuts, but not salted or anything like that.
So like plain roasted peanuts or what's even better because it helps with their teeth are
mass nuts.
Again, like pecans, walnuts, that kind of stuff.
But a lot of people say, don't feed squirrels because you're actually, what you're doing
is as we've seen, if squirrels know that there's a lot of food, they're going to mate, mate,
mate, mate, mate, and there's going to be a lot of squirrels and they're going to become
dependent on that additional food supply.
And they might start showing up at your neighbor's house.
They might start burrowing into your attic.
There's just a lot of things to take into consideration, I guess.
Yeah.
Well, at the family camp, there's nothing but wood, so I hope we get overrun.
So I agree with you.
So you found a couple of cool things, including why squirrels seem to dash in front of your
car when you're driving, right?
Yeah.
So, and again, I love that we just finally found answers for this stuff because this
is kind of a fun, non-obnoxious fact to drop on someone if you're driving around a neighborhood
and the squirrel does that thing and people go, why do squirrels do that?
We can say, well, it's actually an evolutionary instinct to get away from a predator.
So if you run out and you initially freeze when there's a predator, the predator is sort
of like a football player waiting for the defensive player to make their move and then
you go the opposite way with a little juke.
And that's what the squirrel's doing.
They go out, they freeze when they see that car, and if it was a predator, they would
wait on the predator to sort of make a move, and then they can quickly go in a direction
that really comes in handy when it's a predator, when it's a car that's going generally in
a big hulking straight line.
It's not the same thing, but a squirrel has a squirrel brain and it doesn't realize that.
So that's why a squirrel will jump out in a street, see a car, and just stop.
They're not dumb, they're waiting on you to make some hawk-like move, which doesn't happen
in the car.
So what you do is you just slow down and check your rear view mirror, don't slam on the brakes
or anything, but you know, they're everywhere and I've hit, I think maybe two squirrels in
my adult life.
So it's not like the most common thing to run over a squirrel.
Yeah.
I ran over one once and my brother-in-law said that he was on his way to buy a birthday
present for his young kid who was waiting forever for their dad to come back for his
birthday present for his party.
It was not helpful.
And what about these black squirrels?
Emily and I were taking a walk through Brooklyn one day and saw a black, black, black squirrel,
not just a hint of black, and it was the coolest thing I've ever seen, and I've seen a few
more here and there in New York, and we have the answer there too, right?
Yes, they seem to be, so they used to think that they were freaks of nature, I think as
one naturalist put it like years and years ago, and somebody said, I don't know if that's
true.
I think these actually might have been the dominant version.
They seem to be closely related to Eastern grays, if not just a type of Eastern gray,
like a different breed of that species, but they were saying they used to possibly be
the dominant version, and they got edged out by the Eastern gray.
And so they're just kind of infrequently, they infrequently appear, but there are parts
of North America where they seem to populate more than others, like New York.
You mean I used to see them in D.C., Toronto, they're all over Toronto, in Ontario in general,
from what I understand.
So it seems like from what I could tell that they think that they were there already, and
now we're just kind of seeing them in this kind of moment in time where their numbers
have diminished tremendously, where if we went back in time, we might see a lot more.
Does that seem accurate?
Yeah, I mean, it's just genetics.
It's a recessive gene that causes an abnormal pigmentation, and you're only going to get
more of that recessive gene if these squirrels or any creature is reproducing in a smaller
area.
So if you've got to contain population, like let's say an island like New York or apparently
Roosevelt Island has a lot of them, you're just going to see more of them.
So D.C. is a little not inexplicable, but it makes more sense in New York because you're
just going to get more of this recessive gene happening in a smaller area.
So not at all my explanation then?
No, it's your explanation.
No, you nailed it.
This was an article, The Mysterious Black Squirrels of NYC from what turns out to be
a really good website called UntappedCities.com and writer Michelle Young.
It's a really cool read.
Yeah.
So you got anything else on squirrels?
Nothing.
Just hug a squirrel, embrace the squirrel.
But don't do that.
Not literally.
If you do feed them, don't let them eat out of your hand because they'll bite you even
though they're grateful, they're still bitey.
And since I said that, everybody, it's time for a listener mail.
That's right.
And it's a great listener mail because we get to say hello to a kindergarten class, which
is always fun.
Hello.
Hi, Mr. Chuck and Mr. Josh.
My name is Katie.
It's either Fink or Finkie and I'm emailing with my kindergarten class in Baltimore City.
We sometimes listen to your show and we were so excited when you heard you mentioned the
three sisters in the recent Watermelon episode.
We actually spent a whole weekend learning about the three sisters this fall and wanted
to share with you our excitement.
We hope you do a short stuff on them soon.
We definitely will.
If you need some three sisters experts who want to tell you these facts that we learned
this year.
Oh, yes.
And here's a little short list.
Native Americans would plant fish first in the ground to prepare the soil, make it healthy
and rich.
Love that.
The corn grows so tall, it holds up the beans, and the squash keeps the soil moist.
So the other two sisters have enough water to stay hydrated.
And finally, all three of the sisters are dried so that people can save them to eat later
in the winter, which is a great benefit.
So we really want to share our knowledge in case you do a short stuff.
Thanks for reading.
Love, Ms. Finkies or Ms. Fink's kindergarten class.
And like I said, this is in Baltimore City.
Man, that's really impressive.
Like I remember in kindergarten I was learning red, red, red, I wasn't learning about the
three sisters and ground covers, like keeping the moisture in place for the other two.
I mean, come on, that's really impressive.
This week, red.
I think it was more like that month.
Yeah, February's red month.
Right.
Oh, that's great.
Well, thank you, Ms. Fink or Finkies class hats off to you guys.
Keep it up.
And yes, we will definitely do a three sisters episode someday dedicated to you guys.
Right, Chuck?
For sure.
If you want to get in touch with us, you can too via email at stuffpodcastsatihartradio.com.
Stuff you should know is a production of I Heart Radio.
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Hey, I'm Lance Bass, host of the new I Heart Podcast Frosted Tips with Lance Bass.
Do you ever think to yourself, what advice would Lance Bass and my favorite boy bands
give me in this situation?
If you do, you've come to the right place because I'm here to help and a different hot
sexy teen crush boy band or each week to guide you through life.
Tell everybody, yeah, everybody about my new podcast and make sure to listen so we'll never
ever have to say bye, bye, bye.
Listen to Frosted Tips with Lance Bass on the I Heart Radio app, Apple podcast or wherever
you listen to podcasts.
I'm Munga Shatigler and it turns out astrology is way more widespread than any of us want
to believe.
You can find it in Major League Baseball, international banks, K-pop groups, even the
White House.
But just when I thought I had a handle on this subject, something completely unbelievable
happened to me and my whole view on astrology changed.
Whether you're a skeptic or a believer, give me a few minutes because I think your ideas
are about to change too.
Listen to Skyline Drive on the I Heart Radio app, Apple podcast or wherever you get your
podcasts.