When Crocs Thrived in the Seas

Рет қаралды 1,508,436

3 жыл бұрын

PBS Member Stations rely on viewers like you. To support your local station, go to to.pbs.org/DonateEons
Check out Animal IQ: • Foxes: Dog Hardware, C...
While dinosaurs were dominating the land, the metriorhynchids were thriving in the seas. But taking that plunge wasn’t easy because it takes a very special set of traits to fully dedicate yourself to life at sea.
Special thanks to these wonderful paleoartists for allowing us to use their incredible work throughout this episode:
Ceri Thomas (including the illustrated the metriorhynchid in the thumbnail): nixillustration.com/
Dmitry Bogdanov: www.deviantart.com/dibgd
Nobu Tamura: spinops.blogspot.com/
Julio Lacerda: / juliotheartist
Franz Anthony: franzanth.com
This video features this Paleogeographic Map: Scotese, C.R., 2019. Plate Tectonics, Paleogeography, and Ice Ages, KZfaq video: • Scotese Plate Tectonic... .
Produced in collaboration with PBS Digital Studios: / pbsdigitalstudios
Super special thanks to the following Patreon patrons for helping make Eons possible:
Hideyo Kusano, Dennis McCullough, Andria Chizen, Freddie & Brooks, Florian Heinze, WilCatRhClPPh33, Mark Talbott-Williams, Elizabeth Baker, Jake Myers, The Dec of Cards, Eddy, Angel Alchin, Julie Cohen, Sarah Ford, salsablog.band, simon read, Sean C. Kennedy, Eric Roberto Rodriguez, Hillary Ryde-Collins, Frida, Matthew Donnelly, Yu Mei, Dan Ritter, faxo, Jayme Coyle, Gary Walker, GrowingViolet, Stephanie Tan, Laura Sanborn, Minyuan Li, Ben Cooper, Leonid, Robert Noah, Matt Parker, Heathe Kyle Yeakley, Jerrit Erickson, Anton Bryl, MissyElliottSmith, Zachary Spencer, Stefan Weber, Andrey, Ilya Murashov, Merri Snaidman, Gabriel Cortez, Marcus Lejon, Robert Arévalo, Todd Dittman, Betsy Radley, Anthony Callaghan, Philip Slingerland, John Vanek, Eric Vonk, Henrik Peteri, Jon Monteiro, James Bording, Miles Chaston, Michael McClellan, Jeff Graham, Daisuke Goto, Gregory Kintz, Chandler Bass, Tsee Lee, Robert Hill
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References: docs.google.com/document/d/1K...

Пікірлер: 1 100

@fredericocalistosoares1694 3 жыл бұрын

- Animal: goes back into the ocean - Convergent evolution: "So you've chosen to look like fish"

@mjolninja9358 3 жыл бұрын

Feesh

@Seadalgo 3 жыл бұрын

Perhaps it's just a fluke

@daisydaisy2104 3 жыл бұрын

@@Seadalgo log off.. XD

@stardude2006 3 жыл бұрын

More like environmental adaptation

@bhadwamanish5154 3 жыл бұрын

Like Raptors took to the sky and became Micro raptor 😂

@jazzcorneille7439 3 жыл бұрын

"Until you go extinct" will be a sentence I'll be using more in ordinary conversations from now on...

@perfectbotgreg5119 3 жыл бұрын

Every body gangster intill thay go extinct

@triorantauxodiac 3 жыл бұрын

Looks like I will. I have no kids

@NajwaLaylah 3 жыл бұрын

I vow to join you in this resolution.

@sheribarnett3180 3 жыл бұрын

Yes!

@romella_karmey 3 жыл бұрын

Everybody gangstah until The Last of Us video game will become our reality. Only that zombies excluded. It will be dog-eat-dog kill or be killed planet. This pandemic will never end..

@mExiCanRyMeeZZ 3 жыл бұрын

I don't know if im more impressed by the evolution of crocs or by the evolution of Blake's arms during the pandemic.

@leonardogurney5488 3 жыл бұрын

HAHAHA!

@MilloSpiegel 3 жыл бұрын

Yeah, right. He is getting dangerously ripped. Probably from carrying a lot of fossils and rocks

@elijahboesche6663 3 жыл бұрын

Dudes hella jacked

@JulesBrunoJjBaggy 3 жыл бұрын

It's kind of wholesome to see people become fitter when their job is being filmed for the internet. I remember when all the league of legends pros were either obese or skinny. This streaming environment we're in encourages nerds to get physically fit way better than comic book superheroes ever did.

@FRAAANKYSUUUPER 3 жыл бұрын

I've been watching this channel for 2+ years and it great to see the channels progression and his ^ ^

@kitsunehouse3504 3 жыл бұрын

Character development is Watching PBS Eons and seeing Blake slowly go from being forced to read puns by Kallie to making his own puns in the middle of the video. Evolution in action, people.

@ilexater9556 3 жыл бұрын

No one can avoid the infectious nature of the pun.

@SophiaAstatine 3 жыл бұрын

Blessed be puns.

@romankozak8728 2 жыл бұрын

Devolution. Slippery slope to degradation. I like him much better without the lame puns and nauseating cutsie asides.

@cephalonaural6854 2 жыл бұрын

@@romankozak8728 i bet you’re super fun

@Hugo-yz1vb Жыл бұрын

@@romankozak8728 I bet you must be party at funnies

@cristiaolson7327 3 жыл бұрын

"It can be hard to find your sea legs, but once you do, it's smooooth sailing...until you go extinct." Best summary of evolution ever.

@tangoechobravo806 3 жыл бұрын

Lol

@benjamindavidovichwaals2899 2 жыл бұрын

yes baby

@aishwaryasingh6859 2 жыл бұрын

It makes me worry about our lovely whales.

@exessen1684 Жыл бұрын

@@benjamindavidovichwaals2899 ??? Bro go outside

@benjamindavidovichwaals2899 Жыл бұрын

@@exessen1684 why, my cartoonish friend?

@ross6789 3 жыл бұрын

I first read the title as ‘crocs thrived in trees’ and thought we were in for a really wild episode 🤯😂

@LuanMower55 3 жыл бұрын

Weren't we?

@ross6789 3 жыл бұрын

@@LuanMower55 It was an great episode don’t get me wrong, but the idea of crocs in trees was so out of pocket I was really confused for a moment.

@leonardogurney5488 3 жыл бұрын

LOOOOOOOOOOOOOL

@Gblonkers 3 жыл бұрын

No you didnt

@ross6789 3 жыл бұрын

@@Gblonkers Ive been studying/working for several hours straight at this point my brain was mush reading the title.

@WasThisMail 3 жыл бұрын

“When in doubt answer is usually dinosaurs” thank you for this insight I will keep this in minds during finals

@Andreas_42 3 жыл бұрын

Make it even better by using the Latin version: "In dubio pro dinosaurum." 😉

@Noname-67 3 жыл бұрын

Q: What is 1+1? A: Dinosaurs

@aarav_sharma 3 жыл бұрын

Q: Are you a Virgin? A: Dinosau....wait

@ccvcharger 3 жыл бұрын

Q: What is the capital of Assyria? A: Dinosaurs

@peterlewerin4213 3 жыл бұрын

Q: What do we call the old computer systems from the 1950s / 1960s? A: Dinosaurs... oh, hey!

@Geribuny 3 жыл бұрын

"If I had a nickel for everytime a crocodile relative transition to life on water I'd have 2 nickles which is not much but it's weird that it happened twice."

@chimerasuchus 3 жыл бұрын

You would have at least three, maybe four. Two groups of Triassic pseudosuchians, Qianosuchus and the diverse phytosaurs, were semi-aquatic .It also is debated whether the metriorhynchids last common ancestor with crocodilians was semiaquatic or not.

@joshheralal8758 3 жыл бұрын

I understood that reference.

@freedomhasacost6661 2 жыл бұрын

Dr crocinsmirts

@kaylaedwards4117 2 жыл бұрын

Crazy because whales were land/sea animals and at 1 point and looked alot like crocs and were labeled under whatever the prehistoric name was for crocs lol

@juanjoyaborja.3054 2 жыл бұрын

@@kaylaedwards4117 I think you’re referring to Ambulocetids

@celestinomorgado7946 3 жыл бұрын

Crocodiles are so versatile that we shoud be about to discover a extinct species of flying crocs.

@stardude2006 3 жыл бұрын

Only 7 % of the fossil record has been uncovered, so that’s possible.

@edweefication 3 жыл бұрын

What, whale-like crocs, horse-like crocs and regular crocs aren't enough for you?

@stardude2006 3 жыл бұрын

@@edweefication It’s called EVOLUTION.

@celestinomorgado7946 3 жыл бұрын

@@edweefication Precisely! They were everywhere!

@darwistresno6653 3 жыл бұрын

@@edweefication hooved croc already existed, so...

@leonardogurney5488 3 жыл бұрын

I'm trying to become a PALEONTOLOGIST when I'm older, and one of the first creatures I wanna study is these Sea Crocs!!!

@Benson_aka_devils_advocate_88 3 жыл бұрын

Get good grades!

@affirmingtoe15 3 жыл бұрын

Thats awesome man!

@christianv-h3278 3 жыл бұрын

100% go for it. Any job in the paleo world is _very very_ worthwhile, and loads of fun. You gotta study smart and hard, but it's absolutely worth it.

@godzillav2890 3 жыл бұрын

Same hear bro

@lukeskywalker9016 3 жыл бұрын

same

@nieznajomy4398 3 жыл бұрын

Marine reptiles: "Finally no dinosaurs that hunt us and still food" Dinosaurs: [Spinosaurus started to adapt into aquatic environment] Marine reptiles: "Damned!"

@Abyssaracnis 3 жыл бұрын

Geography: i gotcha ya back marine reptiles

@leoornstein3963 3 жыл бұрын

@@Abyssaracnis Spinosaurus: dammed!

@core2zero 3 жыл бұрын

crocs now: "who's laughing now lizzards!"

@kekeke8988 3 жыл бұрын

Marine dinosaurs are marine reptiles...

@leoornstein3963 3 жыл бұрын

@@kekeke8988 I think they meant marine reptiles, other than dinosaurs.

@nwahnerevar9398 3 жыл бұрын

Love to come back to these videos every few months to see just how jacked this man can get. Absolute unit.

@lordvadertheleftie9703 3 жыл бұрын

That's evolution in action

@karlavega4830 3 жыл бұрын

He’s papi

@EmmaDilemma039 3 жыл бұрын

Paleo daddy

@w0tch 3 жыл бұрын

He his preparing for his aquatic return

@ohishwaddup 3 жыл бұрын

I was gonna comment that the shirt looked awesome on him and he should be proud to wear it lol

@julip4666 3 жыл бұрын

I still miss the "and Steve" at the end. Steve, you are remembered!

@sethbuck2013 3 жыл бұрын

@Din Do Nuffin died in a meth overdose. Sad stuff

@arithgutierrez 3 жыл бұрын

@@sethbuck2013 damn

@Twinklethefox9022 3 жыл бұрын

I thought they where talking about the crocodile hunter. I'm not familiar with this channel

@xuanluu4873 2 жыл бұрын

@@sethbuck2013 who died in the meth overdose?

@LenaFerrari 2 жыл бұрын

@@Twinklethefox9022 Steve is a former patreon

@watchdealer11 3 жыл бұрын

Croc evolution is crazy, especially the fact that modern crocs changed very little over hundreds of millions of years.

@kagamijunichirou9346 3 жыл бұрын

Yet they are ugly if worn with socks

@brunoventina7619 3 жыл бұрын

They didn't, the caprosuchus ran on hooves and the armadillosuchus lived and burried in deserts, not to talk about this fat oceanic crock

@i.m.evilhomer5084 3 жыл бұрын

Kinda of misnomer as the lineages that would give to rise modern crocs first appeared 80 million years ago (we're counting some of the extinct land dwelling lineages). You know who else existed around that time? Waterfowl & Fowl!

@realityshotgun 3 жыл бұрын

@@kagamijunichirou9346 they're ugly without socks too. They just scream "I've given up on looking good ever"

@chelseacomps829 Жыл бұрын

@@i.m.evilhomer5084 waterfowl? Really

@odirex 3 жыл бұрын

Earth's past is such a great place to mine for odd D&D monsters.

@ilexater9556 3 жыл бұрын

Dnd underwater...

@sventer198 3 жыл бұрын

So true!

@cloverbuddy3569 3 жыл бұрын

i didn't realize I was an eons superfan until I understood all of the convergent evolution on-going jokes...

@AskMia411 3 жыл бұрын

Some Rando: How'd you spend quarantine? Random Researcher: I looked at a bunch of ancient marine crocodile skulls and wrote a paper on it.

@kevincotterell3644 3 жыл бұрын

And worked on my biceps...

@kingofpointless 3 жыл бұрын

When he said it was published in 2020 I couldn't help but think about this.

@harrietharlow9929 3 жыл бұрын

A worthy use of your time!

@kingofpointless 3 жыл бұрын

@@harrietharlow9929 For the moment or so I considered it, I'd say so.

@Riceball01 3 жыл бұрын

Paleontologists did that before COVID came around and caused quarantines. So many museums have such huge back collections collecting dust, some not even removed from their protective jackets, that I've hypothesized that paleontologist could easily spend their career making new discoveries and writing papers without ever having to go into the field and just digging around the back collections of museums.

@suunkarra5763 3 жыл бұрын

Loving this series, it gives me the same feeling as reading old national geographic books at the school library and seeing all the nice illustrations and learning so much about our common past

@noblefir9106 3 жыл бұрын

"You croc our world", that was horribly wonderful. Love all the stuff you do.

@matthewposton3243 3 жыл бұрын

3:45 that Magyarosuchus was certainly hungary for that other fish

@lewisirwin5363 3 жыл бұрын

Puns are alright by me, Budapest to many others!

@dinonadoop 3 жыл бұрын

Dude this video is great but I don't think I'm ever gonna get used to not hearing Steve's name getting called at the end of the vid

@liquiduenn 3 жыл бұрын

i miss "and my boi Steve!"

@MD0Hatter 3 жыл бұрын

Happy to not be alone in this.

@Spermsoupp 2 жыл бұрын

Who's Steve and what happened to him?

@camiloiribarren1450 3 жыл бұрын

Mosasaurus, liopleurodon and other marine lizards definitely went to dominate the oceans. Super spooky and yet cool

@lonestarr1490 3 жыл бұрын

Yeah. I get retrospective thalassophobia just from thinking about it.

@stefanostokatlidis4861 3 жыл бұрын

Do you think that carnivorous hippos of today are more conforting.

@shafqatishan437 2 жыл бұрын

Liopleurodon wasn't really a dominant species they were pretty small compared to other larger Pliosaurs like Kronossaurus and Predator X.

@cerastudios4208 2 жыл бұрын

@@shafqatishan437 Yeah liopluredon average size was around slightly larger than a great white

@sewisinc.4545 3 жыл бұрын

Seeing Blake throwing in some puns like "Metriorhyn-kids" one is why I'm here. Well, not only but it's a huge plus.

@neolexiousneolexian6079 3 жыл бұрын

7:29 "Aand not getting eaten by a hungry dinosaur was a plus too." Mood.

@impendio 3 жыл бұрын

New Eons Wooooooooooo! And it’s on crocodilomorphs, my favorite archosaurs~

@Andrey.Ivanov 3 жыл бұрын

Marine crocs are very underrated. Glad to see a video on them

@fallentenno2297 3 жыл бұрын

yes i was waiting for this now we got hooves and flipers

@epauletshark3793 3 жыл бұрын

Land mounts and sea mounts.

@sciencewolf7775 3 жыл бұрын

Aggiosaurus looks deadly and looks like it would fit quite well in a monster horror film.

@RedRocket4000 3 жыл бұрын

Why air breathers took over so many niches in the ocean is one of the most fascinating parts to me. It seams that things with gills that don't have to surface and can stay down as long as they want would have the advantage I know there were Whale size fish at one point. I want to learn why.

@entropy8634 2 жыл бұрын

Air got higher density of oxygen that can fuel even high metabolism of marine mammals. I'm guessing air breathers got advantage in that they are more energetic

@klas666 4 ай бұрын

@@entropy8634 the fastest swimmers in the sea are still fish: like tuna and swordfish

@entropy8634 4 ай бұрын

@@klas666 they still fall prey to air breathing orcas

@klas666 4 ай бұрын

@@entropy8634 but orcas can't outrun tunas even at short bursts, so it's hard to call fish less "energetic"

@entropy8634 4 ай бұрын

@@klas666 fair point

@grimprime0158 3 жыл бұрын

2:20 Crabs: Ah a worthy opponent!

@tijanamilenkovic9442 Жыл бұрын

Our battle is going to be legendary

@flyingostrich88 3 жыл бұрын

Blake finally embracing puns just made my week

@tapele5987 3 жыл бұрын

4:04 You know paleontologists are cool guys when they use the Kinder egg surprise container within a drawer full of bones of extinct animals 😂😂😂😂

@user-ny4jw6yq5l 3 жыл бұрын

🤦‍♂️

@anotherdrummer2 3 жыл бұрын

Pour one out for Steve. Or, if you're a secondarily aquatic reptile, then empty your salt gland. Oh and when is Blake going to drop his workout playlist!?

@AskMia411 3 жыл бұрын

That one picture gives them stubby little teddy bear arms! It's terrifying, but derpy!

@AskMia411 3 жыл бұрын

@Redux Studio Skyfall I just got vividly reminded of the t-rex from meet the Robinsons: "I have a big head, and little arms! And I don't think this plan was well thought out!"

@eelek2365 3 жыл бұрын

*Magyarosuchus* Hungarians: "omg our country is famous"

@nakenmil 3 жыл бұрын

Bojler for sale.

@leonardogurney5488 3 жыл бұрын

GREAT VIDEO GREAT CROCS... and GREAT ARMS BLAKE 💪

@tijanamilenkovic9442 Жыл бұрын

he is truly doing some hardcore gym bro quarantine training to get as huge as his anime idol Goku

@brookebeard6822 3 жыл бұрын

It would be so amazing to see how eyes 👀 evolved

@zooemperor3954 3 жыл бұрын

These crocodiles simply specced enough evolution points into extra aquatic mobility. And these are my favorite crocodilians now

@Feralsquirrel 3 жыл бұрын

The horse one will forever be #1 in my heart. Gonna ride one of those babies into battle one day.

@alexythemechanic8056 3 жыл бұрын

I love that this incredibly specialised, deadly aquatic predator has those little arms.

@rogerfroud300 3 жыл бұрын

I was recently told by a Creationist that 'the Fossil record is so incomplete as to be useless'. Maybe you could make an episode that explores what the Fossil record actually comprises, so if this kind of comment arises in the future, I'll have somewhere to point them to!

@Nerval-kg9sm 3 жыл бұрын

You can't have a debate with a Creationist. A real debate requires that both sides have conditions under which they will change their minds. Creationist will not budge from their positions.

@robinliesens7983 3 жыл бұрын

The fossil record could be even less incomplete and it wouldn't matter: DNA already shows us that evolution happened. The fossil record is just a nice extra of cool "photographs" that were taken from time to time. But as already mentioned by others, you can't debate a creationist. If it's a fossil than there's "no transition shown." If it's genetic relationships than it's "the proof of God's creation" or "bananas share 50% of their DNA with us too!" If it's an observable fact in real life than it's "still x or y and pArT oF iTs OwN kInD."

@sarahwest5856 3 жыл бұрын

I'd like to see episodes about what I've heard called "wastebasket taxa:" the group designations given to stuff we tend to toss organisms into when we just don't know where to put them (protists, worms, etc.). I liked the Tully monster episode and this is like the flip side of that. Also an episode about how fungal mycorrhizae acted as roots for land plants until they evolved their own, and how plants and fungi still rely on each other (including mycoheterotrophs!).

@JJ-oq3tz 3 жыл бұрын

The Crocs thrived around us since the time of the dinosaurs🐊🦖

@Dragrath1 3 жыл бұрын

Yes and no depending on definitions used. If by "Crocs" you mean modern crocodilians then no they only appeared late into the Cretaceous other animals had previously occupied this ecological niche but they disappeared perhaps victims of the Cenomanian-Turonian extinction event or some other climatic/ecological factors. If by Crocs you mean crocodylomorphs then yes as they were a diverse clade of metabolically active archosaurs that survived the Triassic Jurassic mass extinction and rediversified in the Jurassic remaining quite diverse up until the KPg boundary where all but Dyrosaurids(lasted up to the Eocene), Crocodilians(still extant) and Sebecids(lasted up into the Miocene) went extinct. And if you extend the definition of "Crocs" beyond crocodylomorphs to the larger pseudosuchians then they ruled before the Dinosaurs with the crocodylomorphs being the lucky small survivors not unlike how if you extend our mammalian linage back to our Permian therapsid relatives you can say they ruled the Permian leaving only our small ancestors. In these two cases of comparison above the extinction survivors of these two once diverse groups would have been able to fit in the palm of your hand when fully grown. Extinctions and megafauna don't really work together well. The only megafauna to cross that boundary on land was the dinosaurs

@krystalharper7966 3 жыл бұрын

I really appreciate that you guys credit artists for their paleoart during your video.

@BlueOrca29 Жыл бұрын

Just thinking about being stranded in the open ocean with these creatures around gives me goosebumps, just looking at their size will shake me to my core.

@francoislacombe9071 3 жыл бұрын

Timing difference between our ears is only a small part of how we pinpoint the direction of a sound. The folds in our external ears affect different frequencies in different ways according to the direction the sound is coming from. Our brains compare the resulting frequency profiles and determines sound direction that way. Owls, who don't have external ears, use asymetric ear canals to produce the same effect. This is also why it's so hard to determine the direction of a pure tone sound, they do not provide the required profiles over a wide range of frequencies.

@John-zj9ur 3 жыл бұрын

I see a PBS Eons sea monster video, I click on it.

@robertdiehl1281 3 жыл бұрын

It’s simply amazing how old earth is...that these creatures can over 100s of millions of years evolve into so many different species...on a slow day to day basis. Great video

@miAIFI 3 жыл бұрын

When it doubt then “volcanoes did it” seems to be a running theme in this series

@Noukz37 3 жыл бұрын

OMG puns overload! Thank yoy Blake, our pun overlord!

@seosamh7486 3 жыл бұрын

PBS Eons has been getting me through the lockdown for over a year. Thank you. 🇮🇪

@AskMia411 3 жыл бұрын

You guys should do a video on the evolution of elephant trunks. Like, how did that come about? What did the ancestors look like, and why did the trunk give them an advantage?

@robinhahnsopran 3 жыл бұрын

...Did every science channel on KZfaq collab to make sure they all talked about crabs-that-aren't-crabs today? This is the third upload I've seen today mentioning it - first from CrashCourse, then SciShow, and now Eons! To be clear: I have no problem with this. I love crabs-that-aren't-crabs. I just also love conspiracy theories. 😂😂😂

@alesdossantos4224 2 жыл бұрын

Well… Hank was/is a host in all of those channels. Coincidence…?

@JohnJohansen2 3 жыл бұрын

Although there are lots of seriously good scientific channels on KZfaq, this one still is, and will continue to be among my top five favorites. ❤

@bernardedwards8461 3 жыл бұрын

The Salty is huge, and very similar to the Nile crocodile. It is sea going but prefers estuaries, and is seldom found in completely fresh water.

@originofcomics4973 3 жыл бұрын

Because of this channel I got interested in Evolution 👍🏻😎👍🏻

@lonestarr1490 3 жыл бұрын

You better hope that evolution won't get interested in you.

@dayoki8091 3 жыл бұрын

@@lonestarr1490 *develops skin wings and night vision*

@Beryllahawk 3 жыл бұрын

Fantastic video, as always! Fascinating how going back to the sea was a solution for so many creatures. Also, that giggle at the pun about the kids. Pure serotonin :D

@playme129 3 жыл бұрын

I always enjoy Eons episodes even with the awful puns and bad jokes. Thanks for posting. Virginia

@freddoesvox9033 3 жыл бұрын

I like how excited this dude gets, its wholesome :)

@TheDinosaurus99 3 жыл бұрын

6:44 Funny as hell. Great episode by the way even though I love almost all your episodes. Don't forget the evolutionary history of pinnipeds and tyrannosaurids and maybe the seabirds too

@Lishadra 3 жыл бұрын

Crocodiles and their relatives are one of my favorite things to learn about!

@ccvcharger 3 жыл бұрын

Me: "Oh man, I think I've subscribed to a few too many channels. My backlog is way too long." PBS: "So we have a new channel that you might be interested in." Me: "Okay, maybe one more."

@drewg4323 3 жыл бұрын

You guys are awesome. How about a video going over some of the major OR minor inaccuracies in Jurassic Park? Or going over any science that was "true" in the 90s when it was made and what we have been able to prove or disprove since??

@jenerix5257 3 жыл бұрын

Is this video trying to tell me we can have significant marine reptiles again if we bump sea temperatures up a few degrees? I think I've found my motivation to become a supervillain.

@sorrenblitz805 2 жыл бұрын

I mean you would essentially kill off most of the available food sources in the ocean if you did that so you'd be bringing them back just to starve them.

@EAIOIAE Ай бұрын

Thank you PBS Eons! I'm doing research on Metriorhynchidae and Gracilineustes and this was incredibly insightful. Best, Enchiridion

@patrickmccurry1563 3 жыл бұрын

I didn't know crocodilian osteoderms were used for thermal regulation as well as armor. That little tidbit almost passed me by. Neat.

@reichfuhrer1942 3 жыл бұрын

Man, these ancient creatures look so cool. How come we don't have monsters like these lurking around nowadays? haha

@dynamosaurusimperious2718 3 жыл бұрын

Prehistoric crocodilians sure were epic Also hope u have a good day.

@AlienSteamboat 3 жыл бұрын

Been watching PBS for over 20 years

@benburgess9428 3 жыл бұрын

I at one point came within 5 feet with an 18 foot American Crocodile in the Everglades. Probably the second most knuckle-headed thing I’ve done involving Crocodilians. The most knuckle-headed thing I’ve done involving a Crocodilian was stick my arm within chomping distance of a seven foot American Alligator so I could take a close up photo of it’s snout.

@monsoon_magic2874 3 жыл бұрын

Can you please do a video on the decline of Perissodactyls and the success of the Artiodactyls? Thank you.

@pierreabbat6157 3 жыл бұрын

The perissodactyls tapired off, but the artiodactyls camel long way.

@Ahahashir 3 жыл бұрын

@@pierreabbat6157 under-rated

@pst5345 3 жыл бұрын

after quarantine is over you recognize who was hometraining and who wasn't 😁

@daniell1483 2 жыл бұрын

I think it is really interesting how different animal groups adapt niches from one another. Very different body systems coming to similar solutions. Marine mammals closely resemble marine reptiles despite having very different approaches to heat generation for example. Convergent evolution is amazing at finding practical solutions for these groups.

@user-gn4mo5fd6s 2 жыл бұрын

I'm so happy that there are channels like this to help us get more fresh info on dinosaurs and other species of that time. Especially after almost 30 years since walking with series aired and the information from there is not as fresh as it was in our childhood

@renatosiqueira1834 3 жыл бұрын

Are you guys spying my reading list? hahahahahaha I just finished reading a book about crocodiles yesterday and started another one today First was the video about the walruses, which coincided with the reading of the book "Walrus" by Reaktion Books haha

@michaelcarley9866 3 жыл бұрын

I never heard of such a thing before the video. Thank you.

@Devin_Stromgren 3 жыл бұрын

One has to wonder WHY secondarily aquatic animals so often seem to take the top spot in the ocean's food chain.

@AskMia411 3 жыл бұрын

Well, i was right(on the preview post). This croc is horrifying, yet extremely interesting! I can't believe i didn't know that fully marine crocs existed!!! That's why i love this channel! Even a paleo nerd like me learns something new and fascinating each video!

@CFIIcare 3 жыл бұрын

Hey Eons, why haven’t gills re-evolved in marine animals?

@oliverwilson11 2 жыл бұрын

Air breathing is actually pretty useful because it's way easier to extract oxygen from air than from water. That's probably why. Though there could be examples of fully air-breathing animals becoming water- breathing that I'm not aware of.

@IKEMENOsakaman 3 жыл бұрын

I'm glad I'm not swimming in the seas where those Cros were

@coyote-bird1801 3 жыл бұрын

Niche partitioning and convergent evolution is so dang cool!

@firstnamesurname6130 3 жыл бұрын

A PBS Eons video with a narrator that pronounces niche properly? Never thought I'd live to see the day

@clarke7703 3 жыл бұрын

Lookin fit, man! Keep it up! Also, thanks for another cool natural history lesson.

@Eli-db9ml 3 жыл бұрын

i miss steve (U^U)

@michaelvater7641 3 жыл бұрын

This is my favorite kind of Eon’s Content!!

@drenrin2120 3 жыл бұрын

Oh, wow. I straight up was wondering just now when the last time I saw a new Eons vid and then this pops up in my recommended.

@zeesummers 3 жыл бұрын

“If you’re an eons super fan” well I also took bio 2 ☺️

@thelittleal1212 3 жыл бұрын

the metriorynchids are my favourite prehistoric marine reptiles. also funny enough, Im working on a new video that will feature some metriorynchids and some other marine creatures, its not finished yet but im Realy excited to show it to you all went im done with its, its gonna be my best video of my channel; hopefully😁

@adamil92 2 жыл бұрын

Yaaayy, MAGYAROSUCHUS! Being a hungarian, that put a big smile on my face.

@actionadventure3139 3 жыл бұрын

That snorkeler's manbun was awesome looking underwater!

@davidschaftenaar6530 3 жыл бұрын

So this is the episode where Blake finally gives in to the paleo-puns? It was only a matter of time ;) Also: Why no marine non-avian dinosaurs? Also also: Great episode, I was hoping you would cover this topic at some point. I've been curious about it ever since I learned that the marine reptiles you tend to come across in documentaries (plesiosaurs, mosasaurs, ichthyosaurs etc) weren't closely related to each other at all.

@jakesutton4603 3 жыл бұрын

I can say with a large amount of confidence that 90% of people who watch this channel had their first experience with Metriorhynchids with Chased by Sea monsters

@MrJimheeren 3 жыл бұрын

I’ve no idea what your talking about

@jakesutton4603 3 жыл бұрын

@@MrJimheeren then you’re not part of the 90%