Why Hybrid Animals May Take Over the North

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Credits:
Narrator/Writer: Stephanie Sammann
Writer: Ashleen Knutsen
Editor: Dylan Hennessy (www.behance.net/dylanhennessy1)
Illustrator/Animator: Kirtan Patel (kpatart.com/illustrations)
Animator: Mike Ridolfi (www.moboxgraphics.com/)
Sound: Graham Haerther (haerther.net)
Thumbnail: Simon Buckmaster ( / forgottentowel )
Producer: Brian McManus ( / realengineering )
Imagery courtesy of Getty Images
Music:
the-city-of-hope by Borrtex
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closer by ian-post
circularity by brianna-tam
chapter-two by brianna-tam
beyond by ian-post
References:
[1] www.researchgate.net/publicat...
[2] globalnews.ca/news/5411935/na...
[3] www.sciencedirect.com/topics/...
[4] www.khanacademy.org/science/a...
[5] academic.oup.com/jhered/artic...
[6] phys.org/news/2018-04-genome-...
[7] www.pnas.org/content/107/11/5...
[8] nsidc.org/cryosphere/sotc/sea...
[9] esajournals.onlinelibrary.wil...
[10] www.the-scientist.com/noteboo...
[11] onlinelibrary.wiley.com/doi/a...
[12] www.quantamagazine.org/new-hy...
[13] www.scientificamerican.com/ar...
[14]

[@realscience]

Thanks to Morning Brew for my daily news briefing! It's completely free, and signing up directly supports this channel. Sign up here: bit.ly/mbrealscience

[@viperbia]

Hi!

[@janpahl6015]

lady introgression its quite common in nature, even in our recent evolutionary past ... this was a crappy documental indeed

[@mamapoch1915]

@@janpahl6015 Angry much?

[@athena8729]

CrispR, satan is prepping the world for himself and the government's work for him. Believe it!

[@loriwalker6669]

Quit trying to get us to buy stuff or advertise… I’ll never sub with someone doing that

[@seagk1343]

Can we all agree grolar bear sounds SO much better than pizzly bears?

[@mariastevens6406]

I must politely disagree.

[@cillianhenry677]

Gros lard in french is an insult for fat people, so I prefer pizzly sorry

[@GinkgoRobur27]

Gros lard means fat guy in a mean way in french so we wouldn't take that seriously

[@joeybulford5266]

I think it depends on if it has a male or female polar bear parent.

[@randomchannel609]

@@cillianhenry677 Europe without cringe be like

[@Vinkabbeats]

I hope spiders dont share the same amount of chromosomes as anything with wings, that is all...

[@gegewillplayed5110]

Flying spiders? That's cool af

[@moisttowlette1247]

@@gegewillplayed5110 No, NO, _No_ , not cool, horrifying

[@aiish223]

Spider x cockroach

[@gegewillplayed5110]

@@aiish223 imagine if Australia has spider-roach. Lmao

[@KateeAngel]

Anything with wings? Like the only group more or less related to spiders, which has wings, are insects, and they are as related to spiders as fish are to humans, maybe learn some biology, it will certainly make a better less stressful life to not gear something impossible

[@konstantindiachenko4974]

Several years ago I spent a few weeks in the higher arctic (construction). Once I had a chance to go fishing with local residents (Inuits). They mentioned we must be careful not to cross with grizzly a bear. I was shocked - a grizzly at latitude 70 on an Arctic island?! But they said at their location now grizzlies outnumber polar bears by far! (~1:6) Amazing how they are making their dens to hibernate through long arctic winters having no trees.

[@Bitchslapper316]

It's not really surprising when you think about the origin of polar bears. They were brown bears that lived north when it was warmer and evolved into polar bears as the climate got colder.

[@brgorham68]

Why are we allowing trophy hunting of polar bears. Aren't they a threatened species?

[@aceescartin7648]

There's this guy i know, he's called donkey. He was able to mate with a dragon

[@graceignacio306]

If you watched Heaven's Designer Team, the two are quite related. So it might be possible 😅😅

[@smileymissile2360]

ah yes

[@whoamibro5609]

Do we know the same guy??

[@devinmcwhorter8717]

Bro I literally thinking about this during the video

[@pkmnproductions7461]

ROFL LMFAO😂😂

[@abriannaaguilera2123]

Oh man imagine discovering a new species and killing the only one

[@Phoenixash-delfuego]

I was just thinking the same thing.

[@atspydrxiiiontwitter7468]

the reverse is worse. killing the only one, THEN finding out it was the only one of this new species.

[@--Nath--]

We're talking hunters - cowardly, messed up brains that think a good time is shooting animals. If they cared about ethics they wouldn't be doing it in the first place. There's quite often a hunter or farmer with a gun responsible for killing the last of a species after intruding on their ecosystem. And the many, many before it become extinct.

[@drakemasterson9874]

@@--Nath-- what about hunting to feed a family? Or killing an animal threatening your livelihood? Trophy hunting is stupid but the reasons I stated are absolutely acceptable.

[@abriannaaguilera2123]

@@drakemasterson9874 indeed, trophy hunting is total utter BS but hunting for the meat or safety is totally valid it checks my great grandfather list of reasons to kill, hunger and defense.

[@josephcosta5382]

It truly is heartbreaking to learn about the habitat for polar bears. 😭 I imagine those poor animals are starving to death. No species should have to die like that. I really hope they find a way to survive.

[@superwhitt21]

The polar bears are thriving. They are not being pushed closer to extinction as this highly inaccurate clip states. There are more polar bears now as there is an abundance of food as the glaciers have retreated. The population is nearly tripled in 40years. This nature show is more fiction than fact. Climate change is very real. Humans need to stop their waste. But please, this show is off the hook with made up facts.

[@knuckles-3386]

Nature always finds a way

[@ksalarang]

@@knuckles-3386 but sometimes (actually often) it's a way to extinction

[@Bitchslapper316]

@@ksalarang Most species live on in other species.

[@craiglee3653]

Total BS, Polar bears have been on the increase since the 60s!!! FACT. Environmentalists love to lie but the numbers don't!

[@snufkin5496]

2:02 mins in, I can say that I think the reason why animals are hybridizing is to share more positive traits across environments since humans are taking more of their natural habitats. Like the best of both worlds.

[@frenchfrieguy9370]

We had Coyote/wolf mixes where I used to live. Smartest canines I've ever had the pleasure of dealing with. They weren't afraid of humans, just cautious around us. They traveled in groups of 3 (6 total) and hunted the local foxes and cats out before going after the deer. There was one in particular that would try to "sneakily" follow me along the river bank. I say that with quotations because the dingus was too big to hide in the bank grass lol

[@nickkerr5714]

In the us? The fed govt has a program to eliminate coywolfs

[@micheledietrick265]

@@nickkerr5714 why??

[@pugdad2555]

@@micheledietrick265 because they are smart.

[@HorsesIC]

@@nickkerr5714 That is false. Coyotes that share their NC range with red wolves are sterilized to prevent breeding, but the hybrids pups are not typically harmed.

[@marvinbennett8384]

Watch your A mate

[@remveel2443]

Adaptation at it's finest. Polar bears were like: "The ice is melting and we all gonna die, lets mate with those that live in the other side!"

[@paulawolanski3237]

It reminds me of that episode of the Simpsons were the bees are dying off so they crossbreed them with another species of bee to make super bees that can survive under any conditions.

[@shazmosushi]

@@paulawolanski3237 Don't you mean Tomacco (tomato and tobacco)?

[@paulawolanski3237]

@@shazmosushi they did that too

[@ItsButterBean1020]

“If in about to die, I’ll die getting laid”

[@vedangarekar1390]

@@paulawolanski3237 really ?

[@huntercool2232]

What’s even worse is they did an interview with the guy that killed the Grolar Bear in 2006 and he says he doesn’t even regret it and says that he’s proud to be the only person in the world to have it stuffed as a trophy in his house.

[@californiadreamer2580]

There have been others in the past, just that no one thought to DNA test them until recently, as DNA testing wasn't available when they died. Polar bears are very closely related to brown/ grizzly bears. In fact genetically they are just a more specialized version of the brown/ grizzly bear.

[@anthonyproffitt5341]

This has happened throughout history, but we didn’t have the research and tracking of such things, combined with situations making it more likely.

[@Bitchslapper316]

Yeah this isn't new.

[@creedorian]

@@Bitchslapper316 climate change is pretty new

[@Bitchslapper316]

@@creedorian Climate change isn't new at all. How do you think Polar bears came into existence in the first place? They are an offshoot species of the brown bear that diverged 100k+ years ago when the arctic got cold.

[@romxxii]

Scientists: "how could this polar-grizzly hybrid happen?" Grizzly: "yeah I hit that"

[@atomicash2475]

The deed is done The polar bear is smoking, the grizzly's world, rocked

[@YnrTy18040]

@@atomicash2475 😂😂😂😂

[@YnrTy18040]

@@atomicash2475 😂😂😂😂😂 the visual you have painted is miraculous.

[@notroublespeace]

He seen a snow bunny and couldn’t resist lol.

[@YnrTy18040]

@@notroublespeace haha

[@racebiketuner]

I'm surprised you didn't mention the coywolf. Also raccoons have been splitting into two species over the last few hundred years. The city raccoons are now faster in a drag race than their country cousins. Four-lane road crossings eliminated the slower ones from gene pool.

[@vitoriaguimaraes7697]

That "faster in a drag race" got me crying bro

[@325hpls1]

Lol me too

[@fredigallardo6819]

Lmao

[@marcor121088]

I would assume squirrels too, the ones i see at the parks are fat and show while the ones further away from humans are still agile

[@ezequias.suarez]

@@marcor121088 I think those just got fat because some people kept feeding them

[@sommelierdevideosruins]

This is the by far the best KZbin channel in the world, please keep creating this amazing content and spreading knowledge!!! I wish all the best for the whole Real Science Team!!!

[@PANGEAEAST]

These videos are so awesome, I can’t even express how much I appreciate you 💕

[@jacquejac1840]

Kinda surprised coywolves, wolfdogs, & coydogs weren't mentioned.

[@hung-upear2659]

Because wolf and dog are the same species, it's just that dogs are domesticated wolves

[@batfurs3001]

@@hung-upear2659 nope, domestic dogs are so genetically distinct that they're their own species. Same with domestic cats.

[@Fuhrerjehova]

@@batfurs3001 Sometimes they are seen as different species, sometimes subspecies. Dosen't really matter. Different dog breeds could also be argued are, sometimes, different species. It's all just semantics. Cats though are genetically very similar to wild cats. People just fed them to have them hang around and keep vermin away. Dogs were bred for specific tasks, such as standig guard, herding sheep and so on. They are also far larger and are kept closer, so you can't have them be as aggressive and so on.

[@kennethsatria6607]

@@batfurs3001 But I am betting not distinct enough that any hybrids are sterile am I right? Plus Im pretty sure Coywolves count as much as the Pizzly and Grolar bears.

[@leahdragon]

@@batfurs3001 Domestic dogs are literally the same species as wolves which is Canis lupus. Domestic dogs are sometimes known as Canis lupus familiaris, which is still the same species, just a subspecies of Canis lupus. Edit: Over 30 subspecies of Canis lupus exist, most of those being Wolves but also include Dingos and Dogs.

[@squa_81]

I learned about those a couple years ago.... I'm glad that there is someone who did the research for me :D

[@aucelery9079]

What did you do...?

[@squa_81]

@@aucelery9079 I wondered around on internet and read magazines

[@instamdgram]

@@squa_81 "wandered", you mean?

[@squa_81]

@@instamdgram indeed, thank you for the correction :)

[@charlespatterson8412]

I don't allow others to do Research for me...

[@FG-Pets.Entertainment]

Alabai/Central Asian playlist: kzbin.info/aero/PLKXh1IC4HVa0A0mwxP6EEW_chAvOPQTsL

[@seangere9698]

Pizzly and Grolar bears have two different body plans. The Pizzly has the body plan of a Polar bear, so it should have a close to the same lifestyle as the Polar bear. While the Grolar Bear has the body plan of a Grizzly, so it should have a lifestyle similar to that of a Grizzly. Both may be better suited to the Artic/sub-artic all the way down to more temperate climates. With the Pizzly staying more north while the Grolar moving further south. At least if the body plan is taken into account and that translates over to them, taking after one parent more than the other in their diets.

[@Dr.IanPlect]

You're misusing 'body plan', a term already utilised in zoology regarding the morphology of organisms more generally. Here, you are referring to variation of specific characteristics of their morphology.

[@ericpaquette5975]

There are also other hybrids showing up in other places. In northern Ontario we commonly see crosses with wolves and coyotes. We call them coywolf. They have the opportunistic and inquiry of a coyotes and the bite force and strength of a wolf.

[@ceyx1201]

Sounds like a cool pokemon. Haha

[@nosotrosloslobosestamosreg4115]

But lack of the wolves' team work... bad news for everybody, since they can unbalance the food chain.

[@backwoodsbumpkin7209]

In West Virginia we have coy dogs, hybrids of coyotes and some random stray dog. Seen a few “varieties” and they all looked ugly as sin

[@Jeni-ow1kl]

We have these in Wisconsin also!

[@aishwaryasingh6859]

And we have a new hybrid of power hungry and crazy want to be next God politician and money greedy, manipulative new media here in Washington DC.

[@markzuckerfuck8302]

I watched a short about narwhals that said they're super sensitive to stress and that's another reason why they're so hard to research. They can die from anxiety attacks when researchers try to catch them for tagging.

[@Keepit10011]

They are too pure for this world.

[@CutTheKam]

damn they need some ashwaganda

[@Thoralmir]

And why you never see them in any aquariums.

[@jeffdaigle5487]

dude we all have seen futurama lol.

[@anthonyproffitt5341]

@@jeffdaigle5487 what’s a futurama?

[@aplsauce3896]

You get props and a couple points for how you Richard Rebuild that ad in at the end of this cool video😂... Flawless transition 🤣

[@godessofyouguess]

Thank u for sharing. Wonderfully worded nd packed with mega interesting info... This has me in tears tho.

[@uatu3021]

"Space flight measuring contest" was both amusing and accurate.

[@davidhenningson4782]

Bezos rocket was even shaped like a certain appendage 😊 my wife pointed that out. I wonder if it was on purpose?... perhaps the real message to his mistreated Amazon employees?🤔

[@davidhenningson4782]

@@michagabo8819 so we're in Revelation then? Or entering it?... they've been saying that for decades... we're still here though. Covid shutdown aside, life's still pretty good. Usually problems around the world that have been issues for the last 4.5 decades that I've been around as a witness.

[@smiller2044]

@@davidhenningson4782 that bit about Bezos 😒 he should pay fair share of taxes instead of being treated like some monopolizing god. But as far "we're still here," until we're not. Plenty of animals have gone extinct and if humans don't take better care, it's only a matter of time!

[@altarush]

Extinction of the man : do’s e flight contest z

[@thmadeym4556]

I still find it hard to comprehend how privileged we are to be able to consume such high quality content for free. Thank you so much Real Science!

[@wildsideofthings7733]

The age of internet is truely a wonderful era. Hey, if you like animals facts I also make animal and science videos. They’re no where as good as Goliath KZbin channels like this. But over time they will and are improving.

[@oblivous_alec9577]

@@wildsideofthings7733 yeah man I’ll sub I’ll watch you with great interest

[@wildsideofthings7733]

@@oblivous_alec9577 thanks!

[@screwyourhandle]

We get free content, they get paid anyway, sometimes capitalism actually does work out

[@thmadeym4556]

@@screwyourhandle they could be making so much more if they used their production team to make a documentary for a mega company. But yes. Capitalism works out sometimes.

[@alexanderholmes3402]

I find myself addicted to Real Science, Real engineering, PBS Spacetime, PBS Eons, and similar KZbin channels. I am working on my second degree and still managed to learn more from such channels than I ever have in school. It is always refreshing to see that there are always thousands upon thousands of people who love learning and understanding how things work as much as I do. Sadly, many students attending my university only seem to be here because college is just something people do. I too have deleted social media from my phone and have not watched actual TV in years. Those media sources only seem to emphasize the flaws of humanity, over and over. As a kid in the early 2000's, I preferred reading encyclopedias and textbooks over watching whatever my piers were into at the time. Channels like this have made my hunger for knowledge much more convenient to satiate. Thank you.

[@jim409]

I would have never known about evolution or any of this if it wasn't for the internet and content creators like you. Thank you. It's such a High quality content

[@Randomhandlename]

What do you mean by evolution? Like fish turning into another animal? That’s a fairytale this is hybridization not evolution

[@1370802]

Find out, the video was all about evolution. It even mentioned speciation. Polar bears and grizzly bears can hybridize because they evolved from a common ancestor 150,000 years ago, horses and donkeys can hybridize but only produce infertile offspring because they diverged 4 million years ago and have been evolving separately for 4 millions years. That’s what the video said, not sure how you missed that.

[@Randomhandlename]

@@1370802 there’s no such thing as evolution of you mean like fish turning into another animal

[@1370802]

@@Randomhandlename So you completely ignore what I said while at the same time misunderstanding the whole video. Okay. And that's not what evolution is.

[@Fubnin]

Grolar sounds like a pokemon, pizzly sounds like a sound you make when you take a wizz.

[@abekane7038]

Pizzly is like small or tiny amount, in Australian

[@Skank_Hunt42]

Asian markets label bull penis as Pizzle

[@Orinslayer]

@@Skank_Hunt42 so do western markets.

[@jamesestrella5911]

@@abekane7038 nothing about it is

[@ScionStorm1]

I would call them *Grizzlars*

[@daniels7907]

Should be obvious. After all, wolves and dogs remain capable of interbreeding even though we tend to treat them as different "species". Despite the fact that many dogs have been artificially bred into radically different forms from their common ancestors with modern wolves.

[@nosotrosloslobosestamosreg4115]

But half-wolves are a Russian roulette since you can never know for sure how much and what of wolf the hybrid got... saying wolf or "good boy" behavioural traits? wanna bet with your hit points?

[@daniels7907]

@@nosotrosloslobosestamosreg4115 - Having had some very large and aggressive GSDs, I think it can be managed so long as you don't assume that a wolfdog is suitable for urban or suburban life.

[@nosotrosloslobosestamosreg4115]

@@daniels7907 wolfdog are for outdoors and strong willed people. Russians are breding wolfdogs but selecting more dog like behaviours. Anyway, other issue with hybrids is possible loss of very specific allels.

[@nosotrosloslobosestamosreg4115]

@@daniels7907 Russians are breeding wolfdogs, but selecting dog like behaviours for that very same reason. Other issue with hybrids is the loss of particular traits associated to recessive genes, and look for the case of hybridization amnog african and indian lions.

[@Renrang]

The difference is just... this one is a nature success. There's many "defect" hybrid cat and dog killed around the world as a result of producing mass "cute" pets for buyers. Call me hypocrite but I will eat hybrid chicken but not hybrid dog, cat or bear.

[@MrPlenty1]

I remember watching a documentary maybe 10 years ago called “alien ice bear”. Great watch for anyone interested

[@Fulltimedragon]

Wow that ad transition was incredible

[@GediMini]

Sorry, but who ever is responsible for naming the hybrid species, please, PLEASE keep working on those names and put in some effort... A pizzly must not stay...

[@AceDice]

Its fun to say

[@cbcluckyii4042]

Like a bulldog and Shi tzu

[@tsujan3984]

Pozly Bear?

[@akcr2889]

It's funny how your more concerned about the name than the actual animal it self, that's why so many are going extinct.

[@kosmique]

@@akcr2889 THAT is why animals are going extinct? are you okay ?

[@blobbertmcblob4888]

They think "the lonliest whale in the world" may be some sort of weird hybrid. Either that or it's a deaf Humpback.

[@mastershake5476]

Life of Emptyness

[@healthfadsfade]

Speciation in action so freaking cool!

[@dasstigma]

"Space Flight Measuring Contest" I am surprised no one applauded you/your writer for this gem.

[@1.4142]

It should be called a Grizzlar instead of a Pizzly.

[@AViewCado69420]

Pizzly sounds cute but they they can maul your ass

[@Jc-lx6em]

Grolar

[@BlackFrostMusic]

Cub: Pizzly Adult: Grizzlar

[@Specogecko]

The first letter of the father species is the first letter of the hybrid name If the father is a polar bear and the mother is a grizzly then it’s a pizzly Is the father is a grizzly and the mother is a polar bear then it’s a grolar bear This rule goes for almost all hybrids

[@1.4142]

@@Specogecko Thanks for the info

[@orangasus]

I've recently discovered this channel. Despite the fact that I am 16 year old russian, who doesn't know a thing about biology, I really enjoyed watching - great work)

[@101stAviator_doorgunner]

I'm so glad I found this channel today, only problem is I'm on a marathon 3 hrs so far lol. 😂

[@teamparkeral]

Well done. Enjoyed the video.

[@scatdog4768]

I'm so stoned right now. This was a massive ride for me from start to finish

[@troycassidy6177]

Fuckin aye bro fuckin aye

[@jackherer9550]

The Canadians are in the comment section!

[@jonw952]

You gotta get stoned, eat a sub and drink beer all at the same time.

[@thecoobs8820]

Nice

[@allmightoneforall1338]

Smoking a blunt as I read this 🤣🤣🤣🤣

[@hughjass1976]

9:55 "diets that consist of... carry-on" I'm sorry I know it's just a different pronunciation but the idea of a grizzly munching through everyone's bags on a flight while they all sit there terrified is hilarious to me

[@09Dragonite]

Not a different pronunciation, carrion and carry-on are just two different words with completely different meanings 😅 carry-on is a compound word, carrion is a completely unique word, CC just didn't catch the difference here

[@hughjass1976]

@@09Dragonite listen to how it's pronounced in the video.

[@TheCycloneTrooper]

Even polar bears living in the arctic North are catching more action than some dudes living in downtown Manhattan - shits crazy

[@1370802]

I mean it’s cross-species….. you’re free to find yourself a chimpanzee….

[@legaltenderradfem]

My new favorite science channel !!

[@fefek1]

Maybe breeding like this is how evolution always has been. First, a species evolves into two as they split paths Later, somehow and sometime those two species meet again and breed Then a new species adapted to new things appears, and then it all repeats again.

[@MaxIvoWes]

Yeah, makes sense. Kinda frustrating people are making a problem out of that.. I mean, let nature be. They are trying to adapt to our shitty way of living so let them fuck whoever they want xD

[@jezonesjezz7179]

@@MaxIvoWes yeah people and monkeys then turns to modern people

[@MaxIvoWes]

@@jezonesjezz7179 They can't have reproductive offspring, can they, hmm?

[@belalabusultan5911]

your hypothesis seems logical, tho I must add some detail to it to make it more convincing:- 1- changes in climate and nature seperate two groups of the same specie, and they evolve into slightly different species over a period of thousands to millions of years. 2- climate change reconnect their isolated areas, and they interbreed, creating a very diverse hybrid specie. 3- climate seperates them again, the hybrid specie adapt to their enviroment. and the cycle continues. ps: I am not a scientist of any sort, you can take all the credit, as I'd prefer to not be called an "Evolutionary Biologist" where I live (the middle east).

[@meneither3834]

Humans are like that after all. Neanderthalis and Denisovans are two humans species that have bred with Sapiens and show up in our genetic makeup.

[@yhwh9778]

Police officer: "you know why I pulled you son?" Grolar: *sweats profusely*

[@kennethfung3618]

Police officer: “So are you a grizzly or a polar bear?” Grolar: “i uh…. Both?” Police officer: “you can only choose one”

[@longwaydown6959]

As someone who is mixed (White, Native, and Hispanic Afro-Latino) this comment made me laugh. My sister and I have always had a hard time with those Ethnicity questions because they always play out as having "White (Not African or Hispanic) or Hispanic (Not white or African) and so I just always chose the "Other" Option as that seemed to be the easiest lol

[@HebrewHakaishin]

@@longwaydown6959 your white. As a black man I dont want hybrids in my race!

[@shlimey04]

@@longwaydown6959 just say you are white

[@Dogen70]

I was looking for someone who was going to make a joke

[@trippytimesjosh355]

I rescued a cat 🐈 my grandmother took in as a pet. It kept Getting abnormaly large very fast. After taking it to the vet she found out it was half Bob cat.

[@metalxmecha567]

It’s all fun and games til the Chimera Ants find out about this one

[@AntonWongVideo]

we're getting closer to seeing the animals of Avatar: The Last Airbender

[@bakdiabderrahmane8009]

I came here for this comment

[@madsox627]

We just need to cross polar bears with blue whales, bison, and the albatross. Voila! You get the flying bison thing.

[@vonabod4259]

What if humans are hybrids?! 😂😂🤪🤪😁😂😂

[@beastmaster0934]

@@vonabod4259 well, some are. Some people have bits of Neanderthal DNA in them.

[@abriannaaguilera2123]

I want three turtle ducks, turtle seals and otter penguins.

[@chanze555]

It's all fun and games until Centipedes start breeding with mosquitoes.

[@novanight5249]

Centipedes and wood ticks

[@greenarcher0917]

Centipedes and Scorpions is what i call not funny anymore..

[@tomasvrabec1845]

What's bad about centipedes? If it was mosquito and spiders than yes.

[@trent800]

mosquitoes and horse flys as big as horse flys with their reactions and painful bite. as numerous as mosquitoes with their senses and bloodsucking

[@Keenakeen]

Or cockroaches breeding with mosquitoes

[@lmundiclan]

I saw a blond bear a few days ago in northeastern California, Portola. Here they are usually brown or black, but this one was a yellowish white and big about 700 pounds. I don’t think it was a grizzly mix not that big, but it could have been a young one. It walked just outside my back door. Grizzly’s are about 1000-1400 pounds really big, so are polar bears.

[@Dr.IanPlect]

grizzlies range from as little as 200lbs

[@ElusivePixel]

Pizzlies sounds like the perfect name for a new brand of chips lol

[@uranuseuler9713]

"....shot what he thought was a polar bear...." I'm sorry, aren't we trying to save those?

[@I-HAVE-A-BOMB]

No their numbers are BOOMING in Canada. They have become monsterous pests and have driven each other further and further toward people because they are territorial and eat a lot.

[@beth8775]

It's a fine line. We want to save the species, but when they hang around human territory too much... Polar bears are extremely dangerous. Most animals will not actively hunt humans, but polar bears very much will.

[@michaeldaltonsr8954]

@Antartic Schizo Duh Huh!! Dropping a few more would increase their desire to survive, AND leave less time for them to lay around having orgies, screaming ; PARTY ON!!

[@andrewyerian214]

@Antartic Schizo Every animal exists for a reason. All animals have a purpose.

[@lukesimmons4286]

@Antartic Schizo This sort of troll account is what we call a "pizza cutter": all edge and no point. Don't you have homework to be doing? It's a school night.

[@squishytacos5344]

“ life, uh, finds a way” - Dr. Ian Malcolm

[@sNoLove-zl2vb]

Lol damn you beat me to it.

[@harold7495]

We've been seeing water snake and cotton mouth varieties in tx

[@Rjsjrjsjrjsj]

Excellent. Nature finds a way.

[@gamesturbator]

Speaking of hybrids we have mice that are now the size of large rats--12 inches+ nose to tail. Having raised rats years ago, my experience is that rats are very hostile to mice so I have no idea how they could have mated together.

[@ashtton_tapiwa]

Down bad. That's my theory.

[@icemike1]

I thought a mouse was a young rat

[@blahthebiste7924]

@@icemike1 Never heard that one before

[@vincentdolido5437]

It's... *%pe

[@micheledietrick265]

One family I knew had a rabbit hutch in their backyard and one morning the dad was going to work and looked in. He saw the kid’s rabbits were covered in blood. He called work and told them he had to see to the rabbits before his kids saw them. He thought they were injured. He pulled them out and brought them to a sink in the basement to shampoo them and examined them. He found no injuries on them. Inside the hutch were dead rats. The rabbits tore them apart. Also when I went to college they had an animal lab. I went in one day and a student was sitting with a long haired animal on his lap brushing him. The animal was white, brown and black. I said what a pretty cat. The student said that was no cat. He lifted up the tail and said this is a rat. It was so big it covered his whole lap. I saw a smaller one of those in the country once and said if they all had this hair and were so pretty less people would dislike them.

[@EgnachHelton]

My inner Russian: Bears look so cute and huggable... Me: 😨

[@MotivateMoments2023]

Nice

[@RanaBora-yv4mg]

These videos are so awesome.

[@shvmsingh1569]

Best zoology channel i love the contents.

[@lincolnyang6369]

The world of Avatar is slowly becoming reality

[@agentbaguette1519]

I believe the Lion Turtles will save the world.

[@tuahsakato17]

Ahh you best me to it

[@dentangaji6161]

I remember that episode in Ba Sing Se when the king holds a birthday party for his pet bear and then they guess if it's platypus bear, skunk bear or armadillo bear and it turns out the pet is only a bear. Knowing that they seem kinda confused as if normal animal is very rare and hybrid animals are a lot more common. Even toph comment that it is weird.

[@harperguo379]

there are no cross species in ba sing se

[@t.b.cont.]

“Licensed poacher kills counterfeit bear”

[@jonathanbond8279]

Underrated comment!

[@StartRunning.]

ive touched the stars, and saw the glorious light of a thousand suns, now blinded by that elegance, how can my purpose be anything, but dark?

[@Dunkelvogel_]

@@StartRunning. chill i was watching polar bears smashing grizzlys

[@StartRunning.]

@@Dunkelvogel_ abomination, do i resemble you? is your form truly my destiny? you cant talk can you? shit.

[@Dunkelvogel_]

@@StartRunning. You lost the plot

[@x0cx102]

This looks really cool

[@andrewroman1337]

To have a better chance for both species to continue to live on

[@emancoy]

Hybrids is one way for species to escape full extinction. Probably the same thing happened to the Neanderthals

[@Djarms67]

Problem is that hybrid species are usually sterile. That is going to limit how hybrid species we will see in the wild.

[@emancoy]

@@Djarms67 usually its the male liger hybrid is sterile, but the females ligerless are fertile. Also documented incidence of female mules sometimes fertile, while male mules are totally sterile

[@Milo_hAt3r]

Sexy Neanderthal theory

[@flacko001]

"Aliens"

[@TheAkwarium]

@@Djarms67 as it seems Neanderthal/Homo Sapiens offspring wasn't infertile and probably interbred with other Neanderthals and Homo Sapiens and we still carry their DNA in us (people from Southern Europe up to 4%). So the offspring either wasn't infertile, or interbreeding was much more common that scientists thought

[@jaz1551]

Actually it is possible for a mule to have offspring albeit rare. The latest I've heard of was in Colorado, and yes it was proven genetically. Thought to occur when by astronomical chance a viable gamete is formed during meiosis.

[@eliscanfield3913]

She has a weird number of chromosomes for a mule, doesn't she?

[@KevinRAAMAAAGE]

Oh yeah, that is legendary amongst the equine community.b

[@susanfarley1332]

I heard that jennies on rare occasion can produce offspring.

[@HorsesIC]

There have been a number of ligers and tigons who have produced fertile offspring as well.

[@bsuddzen]

Well, its be going on for a long time. In the 80's I morphed into the hybrid known as Monkey-Pony, long before grizzles started boning polar bears. Monkey-Pony had thousands of chromosomes and he was a joy and a terror. He was officially assassinated in Gatlinburg, Tennessee in 1986 on Halloween night, his Acura Legend flipping down a snowy mountain. I woke up 3 months later and monkey-pony was no more. Today was the first time I have even begun to understand that hybrid mutation again, thanks to this video. Neeeeheeeeoooooowwwwaaahhhhaaa! He may be reborn, pray it happens! Peace

[@ejohnson3131]

A lot of prehistoric animals look like hybrids and the current wild animals we have roaming the planet look like isolated species that adapted and specialized to their geographic location.

[@CHIT0WNN1KKV]

we humans are all basically hyrbids of different humanoids

[@rahoriginal9098]

ya so

[@samsmith4242]

*Hominids

[@alexcontreras6103]

@@rahoriginal9098 soo, don't hate playa

[@funkydong5315]

No we're not Humans are the same species Hybrids are cross species the closest thing to Hybrid is the Neanderthal DNA in some peoplr

[@moo8866]

not really lol

[@MrDDiRusso]

The COYWOLF is an interesting hybrid.

[@thenameless7810]

@PJ Rivera it have the strength of a wolf, and the sneakyness of a coyote, so because of it coyote and wolf have to be afraid of it.

[@thenameless7810]

@PJ Rivera it does not need since it have a strength to take down a whole cow.

[@kotarojujo2737]

They also adapted to urban areas so successfully

[@ooldmka]

The mouse and gorilla thing was a violation guys.

[@Lokheit]

3:34 killed me, well played

[@Where_is_Waldo]

FYI: Most modern homo sapiens are descendants of hybrids

[@default5900]

Yeah this really isn't a bad thing. Just evolution and natural selection at work

[@Where_is_Waldo]

I actually wrote this comment before the video made the same point

[@amartyasv4007]

@@default5900 not really natural selection when it's mostly human driven though innit?

[@RollerDerbyHigh]

@@amartyasv4007 humans are part of nature. We're just the bad part

[@kosmique]

bah... earthlings.

[@corujariousa]

I hope scientist are capturing a variety of endangered species DNA samples. Since stopping extinction of many species seems impossible, given the size of the problem and human attitude, perhaps we'll be able to revive these species in the future. Hopefully, responsibly.

[@lordnessa5893]

It’s sad that species are lost. But you can’t keep everything “pure” and alive. The last time we tried to keep something “pure”, it resulted in sick breeds like dogs that can’t breathe or have hip problems. That doesn’t mean we shouldn’t do our best, we should just be aware of that and hope there are no other problems we can’t think of. Some zoos try to keep animals for conservation. It’s a little better than keeping their DNA because nature is evolving and living things need constantly to adapt. I hope they will succeed in having enclosures as natural as possible. Sadly not all zoos do it well. Hybrids are something natural and an adaption to the environment, it’s happening all the time. Nature finds a way and will be fine in the end, humans less.

[@TenseSniper]

I wouldn’t worry too much. While it is sad ti see species become extinct. Scientists have collected thousands upon thousands of dna samples from teeth, bones, mitochondria, tissue and organs from each species of currently known animals that are in danger of becoming extinct.

[@F1ll1nTh3Blanks]

I still have questions about panda tbh but I get for rhino.

[@mass.1710]

Very good point!

[@corujariousa]

@Urusovite The big problem is that Nature does not follow its normal cycles anymore given the huge impact of human activity for centuries. The imbalance is clear and the results will be unprecedented.

[@cory980]

My dog Tigger, border collie/healer mix found this male coyote. I was apprehensive but he was nice enough. Skittish but never hurt anyone. She had seven puppies.

[@evelk5233]

This means these two bears are the same species by definition. They are subspecies of the same species.

[@KardEroc]

Just a thought watching the video (great video as always), when talking about the time since two species diverged, wouldn't it be interesting to add an estimated amount of generations? Because I suppose 150k years of evolution to a Drosophila isn't the same as to a polar bear.

[@Tikillah]

My really rough guesstimate math lol 4(ish) generations per century X 1500 centuries. 6000 generations of bears.

[@KardEroc]

@@username30639 And what about the number of generations for the horse/zebra split?

[@username30639]

@@KardEroc 4M years, 2200-2800 days per generation, so about 600 000 generations.

[@KardEroc]

@@username30639 so around 60x as much as the bears, thanks a lot sir.

[@gnatdagnat]

@@username30639 600 000. jesus. amazing that they even hybridize.

[@markfernandez2679]

Did you know that we already have a hybrid human? BEAR GRILLS!

[@fox21231]

How would you classify species now? The definition given @2:45 would mean a host of separate species recognize we recognize would be the same species. Humans have been isolated on islands or separate continent for how many thousand years?

[@Tinyflower1]

There have been cases of mules having offspring, although it is quite rare and it seems to only be mares that can be fertile sometimes

[@beastmaster0934]

That’s seems to be the case with hybrids. Females are more often then not the fertile ones.

[@tdnpodcast5963]

Thank you - Great episode - Perfect examples of how during different times of existence it's important to be able to be flexible - becoming a generalist and able to take advantage of anything that exists, in order to survive, while at times becoming a specialist for the purpose of differentiation and survival. This is both at a macro level (over long periods of time as animals adapt within their species to survive) as well as micro-level (with the individual human having to redefine our own skills to become more specialized as we search to find a career that will span more than just a couple of years). Change is constant - Thank you Real Science

[@abbyarnold4477]

I have a question , will or can those hybrids mate with others and produce an offspring ?

[@matsveritas2055]

Eye stopped on the “random mutations”, such a quaint and archaic concept. *snicker*

[@delaneyvandenbossche7913]

It is rare that a video such as this teaches me of a new type of animal as I have spent a lot of time time researching. Especially my favorites; cetaceans! So I was thrilled to hear about these hybrid Narwhal/Beluga. Thank you for the excellent video!

[@fraserhenderson7839]

"Pizzly" is an unfortunate appellation. Perhaps a name more characteristic of this hybrid will suggest itself.

[@pewpewdragon4483]

Someone commented Grizzlar which sounds way better

[@lincolnlu9869]

I thought they were prizzlies

[@fraserhenderson7839]

@@scapegoatmiller9110 True enough and in that respect, grolar is a less unattractive name but both are sketchy. Time will sort it out.

[@V.U.4six]

@@scapegoatmiller9110 then why is it a “mule”

[@raf25985]

Some alphabet person named it

[@braulic20]

Great video

[@SparklySpencer]

It would be interesting to compare and contrast " pizzly bear or a grolar bear" with how humans crossbred with their Neanderthal and Denisovan relatives and explore the evolutionary pressures behind each.

[@illmuskyhunter3313]

Tiger Muskies, which are a mix of Musky and Northern Pike, are amazing naturally occurring fish that grow bigger faster, yet they don't live as long. They're the most beautiful fresh water fish

[@Bug_Bait]

They're also terrifying.

[@thelordnaevis4946]

I’d like to see the biology of a cockroach and how it lives for so long It’s my biggest fear but there’s a reason why it is

[@aaronseet2738]

because they aren't picky over what they eat.

[@jennaywilliams7664]

They can survive through extreme temperatures and radiation.

[@richardgranati7188]

They’ll live for months after being fully decapatated. They eventually starve to death.

[@fongy200]

The Cychalid chart had Live bearing tooth carp on it (Siamese fighters) Not native to the great lakes of Africa.

[@mattm597]

I like the term "Grolar" better. The word fits better and actually sounds like the sound the bear makes. 🙂

[@sambrandner]

Can we talk about how the hunter shot what he thought was a polar bear?

[@processedpotato9378]

Pretty badass

[@caviramus0993]

He had a lawsuit later since he legally could shot only a polar bear. He would get a fine if it turned out to be a grizzly.

[@ScumfuckMcDoucheface]

@@processedpotato9378 bad ass? nah man, it's cowardly bullshit. go hunt bears with your knuckles and a jack knife, make it a fair contest, then I'll give the person a "that's bad ass" and totally mean it haha hiding in a tree and deading a beautiful, gorgeous beast like a bear with the break of a trigger is, and always will be, cowardly, disgraceful, bullshit. In my (oh so incredibly) humble opinion.... obviously.

[@onba7726]

I assume you think their endangered, but in reality Polar bears numbers are growing and have been for many years. The only reason they were even endangered to begin with was due to over hunting and after regulation their numbers have bounced back to vulnerable. Global warming has had no effect on them, the activist were just lying, which they do a lot, and then have the gall to complain about how some people won't believe in climate change. YOUR THE REASON DAMMIT! STOP LYING! YOU ARE KILLING YOUR OWN CAUSE! Polar bears are supper predators and, despite what video says, are having no visible trouble. It's the hybridization that is the real threat to them, and that IS climate changes fault because its letting grizzles into places they couldn't live in before. If you have trouble believing me, considered this; the pizzily in this video was found in polar bear territory, so the migratory parent was likely the grizzly parent not the polar bear one.

[@treering8228]

@@ScumfuckMcDoucheface yeah, I think we should put out a naked girl to bring them in and show them how it feels…

[@shawncouch2243]

Says Liger shows a Tigon.

[@shawncouch2243]

Whoever liked my comment, thank you for noticing the same thing I noticed.

[@ChoirAnthony]

Fascinating

[@davidmwayi8611]

That is the wildest intro I have ever heard. "In such and such a year, a trophy hunter murdered what he thought was an endangered animal but disappointingly it was just a one of a kind, never seen before hybrid" lol

[@Rope_Adope]

“Life…uh…finds a way” We’re hybrids ourselves

[@InsaneCitizenErased]

came looking for this comment

[@Rope_Adope]

@@InsaneCitizenErased I’m glad I could oblige :)

[@alexone-420]

I mean, those few neanderthal dna percentages in our dna must have came from somewhere

[@Rope_Adope]

@@alexone-420 at least it wasn’t from a microwaved cantaloupe

[@viktorreznov1548]

Since we can breed and produce healthy offspring with each other..

[@chrisvanbuggenum871]

That was the smoothest transition to an ad I've ever heard. I didn't even know it was happening at first.

[@christopherbeddoe406]

I'm waiting for a hybrid octopus and dolphin. Either the Dolopus or Octophin depending on what it looks like.

[@thelastvalkyrie2015]

Gorilla and Hamster: no I screemed! 😂😂😂😂 bro, just imagine! I can’t lol