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Could T.rex Survive The Ice Age? Megatheropods in Cenozoic North America 

Vividen: Paleontology Evolved
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Could T.rex and other megatheropods survive the Ice Age? How would megatheropods like Tyrannosaurus and Saurophaganax adapt to new giant herbivores like mammoths, mastodons, and ground sloths? This video analyzes how theropods from North America would adapt to survive in the strange new world of the Cenozoic, ranging from the Paleocene all the way to the end of the Pleistocene. It includes smaller Aggro theropods like Deinonychus and Utahraptor, Midrange theropods like Allosaurus and Lythronax, and Battlecruiser theropods like Tyrannosaurus, Acrocanthosaurus, and Saurophaganax. They’ll encounter threats like rats raiding their nests, the intelligence and herd behavior of mammoths, the bitter cold of glaciation, and the advent of Homo sapiens into North America. This is the second episode in the Megatheropod Speculative Ecology series, and includes input from paleontologists Thomas Holtz and Evan Johnson-Ransom. Could T.rex survive living with mammoths in a cold world?
Megatheropods in a Mammal-Dominated World 00:00
The Megatheropod Team 00:39
Paleocene 01:59
Eocene 04:05
Oligocene 06:28
Miocene 07:50
American Mastodon vs Tyrannosaurus 14:15
Pliocene 20:08
Pleistocene (includes Ice Age): 21:31
Humans vs Megatheropods 22:35
Thumbnail art by Balazs Petheo and Herschel-Hoffmeyer
Music from #Uppbeat (free for Creators!):
uppbeat.io/t/kevin-macleod/ac...
License code: BQIYCRNJ6VWXSGSS
Oxygen Garden by Chris Zabriskie is licensed under a Creative Commons Attribution 4.0 license. creativecommons.org/licenses/...
I Am Running Down the Long Hallway of Viewmont Elementary by Chris Zabriskie is licensed under a Creative Commons Attribution 4.0 license. creativecommons.org/licenses/...

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9 июн 2024

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@TheVividen
@TheVividen 3 месяца назад
REFERENCES Testing Clovis spears on elephants www.jstor.org/stable/280681 How dangerous grizzlies were to pre-gun cultures hughglass.org/grizzly-in-1800s/ Clovis mammoth kill site count www.sciencedirect.com/science/article/abs/pii/S1040618207003771?via%3Dihub Size of the American Lion www.tandfonline.com/doi/abs/10.1671/039.029.0314 20,000 year old human footprints news.berkeley.edu/2023/10/05/tests-confirm-humans-tramped-around-north-america-more-than-20-000-years-ago Ideal migration pathways around.uoregon.edu/content/new-data-suggests-timeline-arrival-first-americans Cooper’s Ferry archaeological site may be older than Clovis www.science.org/content/article/first-people-americas-came-sea-ancient-tools-unearthed-idaho-river-suggest North American agriculture esajournals.onlinelibrary.wiley.com/doi/full/10.1890/ES10-00098.1 Larramendi 2015 www.app.pan.pl/archive/published/app61/app001362014.pdf Hwange National Park lion pride specializes in killing elephants www.researchgate.net/figure/Age-class-distribution-of-elephants-observed-being-killed-by-lions-from-1993-to-1996_fig1_232693088 Elephant matriarchs will charge lions even if the lions aren’t attacking ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-Suk8o0AjHMQ.html Elephants become depressed if relatives die books.google.com/books?id=7JIAt-yfIJgC&pg=PA72#v=onepage&q&f=false Information about elephants in musth www.elephantvoices.org/elephant-ethogram/ethogram-table/behavior?id=159 Elephant tusk durability ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-JlQMrvbtA8o.html Elephant skull structure is light and honeycombed knysnaelephantpark.co.za/skeleton-skull/ Bulls fighting may break their tusks www.pbs.org/edens/etosha/elephant.htm#:~:text=When%20competing%20for%20mates%2C%20male,tusks%20than%20their%20calmer%20counterparts Bulls fighting ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-2XA3dgJiBT0.html Bulls fighting more ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-KpN-P1OVzl4.html Lions hunting elephants ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-2lU8HcxIAw8.html ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-x4nG4JsAyKY.html ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-OA0HQwQpCBs.html blog.londolozi.com/2020/03/30/how-do-elephants-respond-to-leopards-and-lions/ Tyrannosaurus bite force peerj.com/articles/13731/ Tyrannosaurus biting Triceratops facial horns www.myfossil.org/featured-fossil-triceratops-vs-tyrannosaurus Elephant birth rate spana.org/blog/elephant-pregnancy-facts/#:~:text=Elephants%20give%20birth%20around%20every,five%20babies%20during%20their%20lives Elephant agility demonstration ru-vid.comVdL8FtN_Lao Teratophoneus gregariousness peerj.com/articles/11013/ Canadian tyrannosaur trackways www.theguardian.com/science/2014/jul/23/tyrannosaurs-hunted-packs-tracks-canada Giant ground sloth body size link.springer.com/article/10.1007/s10021-005-0076-8 Egg stealers during the time of the dinosaurs www.smithsonianmag.com/science-nature/scrambled-eggs-and-the-demise-of-the-dinosaurs-85969406/ Mammals weren’t outcompeting dinosaurs www.nature.com/articles/ncomms1815 Success of crocodilians despite mammalian interference www.researchgate.net/publication/259450979_The_Role_of_Predation_in_Shaping_Crocodilian_Natural_History Nest guarding is likely a basal archosaurian trait defenders.org/wildlife/american-crocodile-and-alligator#:~:text=Roughly%201.25%20million%20alligators%20live,females%20will%20defend%20prime%20territory Collaborative hunting by crocodilians www.researchgate.net/publication/272369202_Apparent_coordination_and_collaboration_in_cooperatively_hunting_crocodilians Paleocene temperature www.scotese.com/paleocen.htm Paleocene environment www.pbs.org/wgbh/evolution/change/deeptime/cenozo.html#:~:text=Ferns%2C%20horsetails%2C%20and%20shrubby%20flowering,America%2C%20Africa%2C%20and%20Australia. Eocene environment cdnsciencepub.com/doi/10.1139/cjes-2016-0043#:~:text=The%20Eocene%20Epoch%20is%20well,as%20well%20as%20to%20climatologists Eocene environment ucmp.berkeley.edu/tertiary/eocene.php Oligocene environment www.pnas.org/doi/10.1073/pnas.2003914117#:~:text=Oligocene%20GMSTs%20were%20%E2%88%BC22,42%2C%2069 Oligocene environment ucmp.berkeley.edu/tertiary/oligocene.php Oligocene ice sheets www.nature.com/articles/s41561-022-01025-x Miocene temperature bolin.su.se/data/miocene-temperature-portal Miocene environment chooser.crossref.org/?doi=10.2307%2F3515337 Miocene migration of muroids to North America academic.oup.com/sysbio/article/62/6/837/1710000?login=false Pliocene temperature www.nature.com/articles/s41598-020-67154-8#:~:text=The%20Pliocene%20Epoch%20(2.588%20to,and%20Antarctic%20ice%20sheets2. Pleistocene extinctions and environment www.nature.com/articles/s41467-020-16502-3 Hell Creek temperature www.researchgate.net/publication/279980306_A_florule_from_the_base_of_the_Hell_Creek_Formation_in_the_type_area_of_eastern_Montana_Implications_for_vegetation_and_climate
@PREHISTORIC.PRESIDENT.
@PREHISTORIC.PRESIDENT. 3 месяца назад
There’s a new 3d study that puts trex bite at “18,000 21,000”psi and T. rex average Weight estimates 10tons-and kg and tons are different just to let you know love the vids❤
@landenriley8442
@landenriley8442 3 месяца назад
I think Carcharadontosauroids like Gigantosaurus would go for the lone male rather than the whole herd
@tyrannotherium7873
@tyrannotherium7873 3 месяца назад
Actually, it’s implying that American lions are lions after all
@Ratchetcomand
@Ratchetcomand 3 месяца назад
I wish you had Dilophosaurus to the roster in the video
@user-rw4yi2xw5i
@user-rw4yi2xw5i 3 месяца назад
Hey,you can make video about theoretical maximum height from ground to head for tallest sauropods including Sauroposeidon
@charizardfan1017
@charizardfan1017 3 месяца назад
I personally prefer the idea of calling a group of Tyrannosaurus a "Royalty" Cause they're the "Tyrant Lizard Kings"
@biohazard724
@biohazard724 3 месяца назад
I'm partial to a "Castle"
@wildbill9490
@wildbill9490 3 месяца назад
I believe a group of tyrannosaurs is actually called a terror
@adhdproductions1851
@adhdproductions1851 3 месяца назад
A monarchy
@johnburnett8625
@johnburnett8625 3 месяца назад
A "Kingdom" would be my preference.
@Clovernoris
@Clovernoris 3 месяца назад
A Court of Rexes maybe?
@HolyCanolei
@HolyCanolei 3 месяца назад
I googled it, and apparently a group of tyrannosaurs is called a “terror”, which I think is solid.
@ottovonbismarck7646
@ottovonbismarck7646 2 месяца назад
I mean... I would be in a pure state of terror if I saw a group of some of the most proficient killers nature could possibly make...
@MegaMark0000
@MegaMark0000 Месяц назад
cool. How do they come up with those names anyway? Pod of whales, murder of crows, pack of wolves etc...
@roboticartist2793
@roboticartist2793 Месяц назад
​@MegaMark0000 they go for whatever feels right
@Stefmovie
@Stefmovie Месяц назад
@@ottovonbismarck7646 Nah, I'd win
@momsberettas9576
@momsberettas9576 24 дня назад
I think it should be called an apocalypse. XD
@Liethen
@Liethen 3 месяца назад
Imagine some conquistador, a frenchman, or some cowboy arriving in the great plains to find packs of two ton feathered dragons chowing down on buffalo.
@ksoundkaiju9256
@ksoundkaiju9256 2 месяца назад
“Yeah…I think we should go back home…”
@adambrennan558
@adambrennan558 2 месяца назад
"Roll out the long guns!"​@@ksoundkaiju9256
@doragonzx
@doragonzx 2 месяца назад
"It seems My Destiny Manifested Elsewhere"
@blairdurward4324
@blairdurward4324 Месяц назад
What’s Spanish for “F this I’m out!”?
@emilianorios4761
@emilianorios4761 Месяц назад
@@blairdurward4324 La chingada con esta mierda is what you would say roughly
@TheGBZard
@TheGBZard 3 месяца назад
I imagine even after megatheropods go bye bye at the beginning of the holocene their presense would have sent echos throughout human culture forever, sparking stories of the giant feathered dragons which once terrorized the land
@duitk
@duitk 3 месяца назад
I wonder if the humans would have eventually developed technology or agriculture faster because of the pressure put on by the therapods. Or would the therapods survive until later cultures arrive with firearms? I just dont think humans would not eventually wipe out the therapods, once more ranged weapons, or better traps arrive it may be over for the dinos.
@stevepalpatine2828
@stevepalpatine2828 3 месяца назад
There's no evidence adult Tyrannosaurs had feathers. No all dinosaurs were feathered. Tyrannosaurs aren't dromaeosaurs.
@BonQeeqeethe3rd320
@BonQeeqeethe3rd320 3 месяца назад
Tyrannosaurus probably wasn’t feathered as an adult
@SuperBetaBuxbros.
@SuperBetaBuxbros. 3 месяца назад
@@BonQeeqeethe3rd320yup
@SuperBetaBuxbros.
@SuperBetaBuxbros. 3 месяца назад
@@BonQeeqeethe3rd320dromeossurs
@Magnaraptor1836
@Magnaraptor1836 2 месяца назад
Tyrannosaurus packs shall be called a Dynasty; Referring to it's definition, A gathering of kings.
@emersonworst4801
@emersonworst4801 Месяц назад
Dang, that's good
@riohudson9612
@riohudson9612 Месяц назад
I absolutely love the idea of Tyrannosaurs evolving into fluffy dragons to rule the ice age. It really harkens back to their earliest ancestor, Yutyrannus, being arctic tyrants in of themselves. It's honestly fascinating how it's become more common knowledge that not only did dinosaurs survive in snow, but on many occasions thrived in it. Some of the earliest dinosaurs, even the earliest archosaurs, were already specialized for cold before they started taking over the world and it came full circle since with Nanuqsaurus and in this alternate timeline colossal woolly-rexes of death!
@alexandersviridov2937
@alexandersviridov2937 3 месяца назад
Ancalagon caught be off guard to the point that I spat my coffee out - what a legend.
@TheVividen
@TheVividen 3 месяца назад
The host of the Valar likely spat out their mead as well!
@MadlyMesozoic
@MadlyMesozoic 3 месяца назад
Great video. Thanks for the shoutout!
@TheVividen
@TheVividen 3 месяца назад
I'm glad you liked it!
@Mateusz-sq9ox
@Mateusz-sq9ox 3 месяца назад
Great video:) In my opinion "dominion" or "dynasty" for T. rex group seems a better names. "Nightmare" could be great name for a group of Utahraptors, tho.
@TheVividen
@TheVividen 3 месяца назад
Thank you for your feedback! Both of those names are awesome.
@DinoboyLegosandMOCs
@DinoboyLegosandMOCs 2 месяца назад
I vote Dominion. It just sounds very cool, just saying Dominion of T-Rexs sounds right.
@user-qt6sh2ff5s
@user-qt6sh2ff5s 2 месяца назад
The amount of research/ theorising this man has done just to make my childish brain giggle about T-Rex vs Mammoth… Anyways love the video, keep going man.
@wildbill9490
@wildbill9490 3 месяца назад
Fascinating. This makes me wonder: what if the K-T extinction had been a little less severe, and some of the smaller dinosaurs managed to survive? How might they evolve during the Cenozoic and how might that affect the evolution of mammals and other surviving animals?
@TheVividen
@TheVividen 3 месяца назад
That would be really interesting to explore!
@jointcerulean3350
@jointcerulean3350 3 месяца назад
Also bipedal crocodiles as well since a group made it to the Cretaceous
@dctPL
@dctPL 2 месяца назад
Some of the smaller Dino's did survive... We call them birds today.
@wildbill9490
@wildbill9490 2 месяца назад
@@dctPL I mean smaller species of non-avian dinosaurs
@dctPL
@dctPL 2 месяца назад
@@wildbill9490 Well... Maybe they did and evolved into some species of "birds" we know today. After all, many non-avian dinos had feathers.I doubt that all modern day species of birds were the subject of DNA analysis.
@8bitutopia182
@8bitutopia182 3 месяца назад
This is most likely your best video yet. And thats not an easy bar to climb over. The amount of research and detail here is nuts. You gave both sides very fair arguments, whether it would be elephants vs theropods or early humans vs theropods. I’d say I wanna live in a world like this diverged Pleistocene but if I was actually a human born back then and saw these dragons, I’d be scared shitless. And if they do somehow survive into the Holocene, I imagine they’ll evolve to be smaller, but still probably larger than bison and bears. Imagine Middle Ages North America with herds of bison and gangs of middle-range evolved Tyrannosaurus. Speculative ecology is such a fascination and fun subject to read and or watch. Thank you for providing this kind of content to all of us!!
@TheVividen
@TheVividen 3 месяца назад
Thank you so much for your kind words! I researched this one for months to try to get it just right and I'm glad that it was worth it.
@subnombre
@subnombre 3 месяца назад
Knowing that woolly mammoths on average weighed less than the average African elephant, and a maximum of almost 8 tons, they would be a great and delicious replacement for the Triceratops and other T Rex prey.
@Devin_Stromgren
@Devin_Stromgren 2 месяца назад
Right until the rexes ran out of food due to the fact that the mammoths couldn't make new mammoths fast enough to avoid extinction. 2 year pregnancies and all.
@7-sBone-Pit
@7-sBone-Pit 3 месяца назад
Oh man I love this, well worth the 26 a month XD
@TheVividen
@TheVividen 3 месяца назад
Always happy to provide content for my favorite Snax glazer
@loowick4074
@loowick4074 3 месяца назад
The thing with elephants is that they are quite sensitive to external Predators they arent used to dealing with. And usually go extinct relatively quickly when threatened. Their slow reproduction means they usually lose any evolutionary arms race and often do not have the numbers ro replenish casualties fast enough
@GRIGGINS1
@GRIGGINS1 3 месяца назад
There is evidence of Humans actually arriving in North America 100,000 years ago. I did not say Homo Sapian Sapiens . I am saying Humans as in the other types. And Mammoths and Mastodons kept chugging right along.
@Devin_Stromgren
@Devin_Stromgren 2 месяца назад
Slow reproduction of large mammals is the biggest problem for the survival of any of the mid or large sized therapods during the Cenozoic. Especially since the theropods themselves would be reproducing relatively quickly by comparison.
@jessicaczyzewski4198
@jessicaczyzewski4198 2 месяца назад
​@@GRIGGINS1Annoys me when they try to make humans out to be more dangerous than they actually were like you said he even in the 1850s a group of hunters still be demolished by a single bear because their weapons could not pierce with regards to a bear
@GRIGGINS1
@GRIGGINS1 2 месяца назад
@@jessicaczyzewski4198 Yep. Even the Tribes that hunt African Bush Elephants don't do it all that often and don't go after the very large Bull Elephants. Because Elephants are not only problem solving smart they tend to not be alone.
@EarthshakerOnamazu
@EarthshakerOnamazu 2 месяца назад
annoys me when humans are made out to be less dangerous than they actually are.@@jessicaczyzewski4198
@Cassave78
@Cassave78 3 месяца назад
Oh my Gosh this was so epic! Looks like the theropods have triumphed over the cenozoic once again! It's pretty incredible how adaptable the theropods are despite all the challenges. Definently an h^2/10 video
@CB-eo6xo
@CB-eo6xo 3 месяца назад
I wouldn't say they outright triumphed, more like they are able to thrive and survive well without overshadowing the mammals too much. Especially that the Probosidians are one of the few mammals being able to directly hold their ground and even adapt in an arms race against the theropods.
@iratezombiemann
@iratezombiemann 3 месяца назад
Fantastic video. Probably your best yet and that was already a high bar.
@TheVividen
@TheVividen 3 месяца назад
Thank you! I'm glad you enjoyed it. I think this is the video I'm the most proud of, so I hope it goes well!
@tomatogenesis
@tomatogenesis 2 месяца назад
There _needs_ to be a game on this! This was so good to watch and each part was just so well-filled with its own flavor, of which I could never have had enough of. I especially loved that adapted Tyrannosaurus at the Pleistocene part. Please do keep making videos as good as this one was! 'Cause I'll be all down for it!
@GEK0dev
@GEK0dev 3 месяца назад
This video was fantastic, I honestly loved the parts with Tyrannosaurus fighting the prehistoric elephantoidea, Mammutidae and just elephants in general. Honestly I would love an updated tyrannosaur PSA from you as you seem to be the most reliable channel on tyrannosaurus, Actually considering speculative weights for tyrannosaurus instead of only giving that to other large theropods, But more or less on the bite, How quick it could crush, Most likely not like a trash compacter but an actual jaw. And this video was a great example of theropods in the Cenozoic in general.
@TheVividen
@TheVividen 3 месяца назад
Thank you very much!
@GEK0dev
@GEK0dev 3 месяца назад
@@TheVividen No problem my friend
@codypass1709
@codypass1709 3 месяца назад
The way you said that we would be scavengers to the Megatheropods, and they will force us to be farmers are extremely inventive. I really love this speculation, especially the part with the possibility of most of the Ice Age's Megafauna survival into the modern world. Sure we were not exactly the main reason of their extinction, but we were a nail in their coffin. With the great dragons taking the wheel, and us mortals being able to adapt and live with these titanic titans, we can have at least a better understanding with nature. ❤ Keep up the great work man. ❤
@GODEYE270115
@GODEYE270115 3 месяца назад
Imagining a gang of giganotosaurus ambushing a paleoloxodon brings out my inner kid
@TheVividen
@TheVividen 3 месяца назад
Mine too haha
@S0L1nv1ctus
@S0L1nv1ctus 3 месяца назад
Early humans domesticating theropods= dinoriders
@diegomelo3219
@diegomelo3219 2 месяца назад
It’s been a long time since I enjoyed a video this much. The level of detail and measured explanations put into each part was spot on, not too complex but also not boringly simple. 10/10 from me
@AschaVovina
@AschaVovina 2 месяца назад
This was beautiful, and props for the shout-out to Madly Mesozoic. :)
@marclavecc3381
@marclavecc3381 3 месяца назад
What a spectacular video!
@TheVividen
@TheVividen 3 месяца назад
Thank you!
@CB-eo6xo
@CB-eo6xo 3 месяца назад
Honestly glad this felt very evened out without too much bias between either the Theropods and the Mammals. This honestly feels like the mammals really can in fact stay in the game and adapt pretty well towards the new pressure in spite of the Theropods obviously dominating the Apex predator niches from the get go which than forced some of them to evolve to cope with the conditions that aren't as easy to thrive in compared to their native Mesozoic timeline.
@tamaltarudey8912
@tamaltarudey8912 3 месяца назад
A tyranny of Tyrannosaurs
@TheVividen
@TheVividen 3 месяца назад
Oooh that's a nice one
@elishaberry611
@elishaberry611 Месяц назад
This was well done sir. The stories and speculative documentaries that could be made from this thought experiment are most exciting to think about.
@justjoshua5759
@justjoshua5759 3 месяца назад
Also the T rex vs mastodon took me back to prehistoric park when Matilda tried to take on martha. Prehistoric park actually could make a great video idea in terms of how it could work with present day ecology and conservation today.
@James-od4cz
@James-od4cz 3 месяца назад
Bravo, a truly captivating watch.
@gambitaku6179
@gambitaku6179 2 месяца назад
This was one of the most entertaining and informative vids yet. This totally needs to be a series if possible 😊
@TheVividen
@TheVividen 2 месяца назад
Thank you! The first episode (about Africa) is already out!
@gambitaku6179
@gambitaku6179 2 месяца назад
​@@TheVividen Excellent man Thanks so much. Have a blessed day 🙌
@mewmew1511
@mewmew1511 2 месяца назад
Incredible video, major props
@PrehistoricMagazine
@PrehistoricMagazine 3 месяца назад
Another great thought provoking video. I’d say if trex did live in that time period it would be time to employ heavy plumage. Mike
@cjacobs851
@cjacobs851 2 месяца назад
Apparently the collective term for tyrannosaurs is a terror. A terror of tyrannosaurs. I’d say a nightmare of T-Rex is still up for grabs
@koboldking2991
@koboldking2991 10 дней назад
I can't believe you actually got Thomas Holtz to commentate on this! Amazing video!
@edwardpate6128
@edwardpate6128 18 дней назад
I've always had a soft spot for Allosaurus. I think pound for pound one of the fiercest predators ever. a
@Aburg76
@Aburg76 2 месяца назад
2:21 Ah shit, he's real, everyone head for the hills
@houstonguy1984
@houstonguy1984 3 месяца назад
Great video, but one possible thing the video left out… if humans were able to domesticate certain less-aggressive wolves into dogs, could it be possible that they would’ve tried to domesticate certain theropods?
@TheVividen
@TheVividen 3 месяца назад
That's a super cool idea!
@finnbob8404
@finnbob8404 3 месяца назад
Great video
@brycesmith9878
@brycesmith9878 2 месяца назад
God I love these videos from you! Bye the way, is there any information on how eggs would be affected by the ice age?
@JurassicReptile
@JurassicReptile 3 месяца назад
I enjoyed the video but I feel like the theropods from allosaurus’ size to smaller got ignored at the end. I would’ve liked if each one got at least a brief explanation of how they would do.
@TheVividen
@TheVividen 3 месяца назад
That's a good point. I will work hard to improve the next episode!
@loowick4074
@loowick4074 3 месяца назад
Yeah like stuff like cerato would be aces. Not too big to harm large elephants and rhinos while still occupying a macropredatory niche. They won't wipe us out, and we probably won't wipe them out because reptiles kinda breed more, especially if they live in Africa where their food source won't run out. Seems like it will integrate nicely into modern Africa or ice age Africa.
@JurassicReptile
@JurassicReptile 2 месяца назад
@@loowick4074Cerato would have a pretty good time. Bigger than a polar bear and designed for the forests.
@trethomas9202
@trethomas9202 3 месяца назад
Favorite video by far
@TheVividen
@TheVividen 3 месяца назад
Thank you! I put a lot of work and research into this one, so I'm glad you liked it!
@tristanwilliams4180
@tristanwilliams4180 2 месяца назад
i love to see a Fully Grown Tyrannosaurus Rex Hunt a Woolly Mammoth
@myleswelnetz6700
@myleswelnetz6700 7 дней назад
19:40 Or Goji Center’s Tyrannosaurus rex vs. Palaeoloxodon namadicus video, one of my personal favorite videos on that channel.
@Draconic_Lorecraft
@Draconic_Lorecraft 2 месяца назад
Damn, they fared much better than I thought they would. They strait up dominated most of the time. I really enjoyed this, and it used solid evidence. Consider me subscribed
@thenerdbeast7375
@thenerdbeast7375 2 месяца назад
The official name for a group of T.rex is a Terror, a Terror of Tyrannosaurs.
@LordSpinus
@LordSpinus 3 месяца назад
Suggestion, if the three main theropods (T.Rex G.Carolinii. S.Aegyptiacus) lived in the cenozoic of africa [Just an idea]
@Intrusion498
@Intrusion498 3 месяца назад
The scariest thing about deinonychus isn't that young ones can fly NOT GONNA MENTION SMALL DEINONS CAN CLIMB TREES but the worst thing is that they would likely see us as a prey option oh and they would literally eat you alive oh an I also wanna say on the whole tyrannosaurid or smth like that group thing possibly footprints of multiple tyrannosaurids ot smth it may have been a drought and they had no other choice but to team up
@loowick4074
@loowick4074 3 месяца назад
Nope, friendship ended with dog, now deinonychus is man's best friend
@IceG52
@IceG52 3 месяца назад
​@@loowick4074​​ top 10 largest North American megatheropods 1. Tyrannosaurus rex- 11.5 tonnes 2. Mcraeensies- 8.8 tonnes 3. Saurophaganax- 8.5 tonnes 4. Alamotyrannus- 6 tonnes 5. Acrocanthosaurus- 5.7 tonnes 6. Torvosaurus- 5.2 tonnes 7. Suciasaurus- 5 tonnes 8. Siats meekerorum- 4.7 tonnes 9. Allosaurus- 4.6 tonnes 10. Epanterias- 4.2 tonnes
@dariodramac
@dariodramac 2 месяца назад
Having dromeasaurs as pets wouldnt be that bad​@@loowick4074
@megamente7849
@megamente7849 Месяц назад
​​@@loowick4074 "Friendship ended with horse now Maia is my best friend"
@koutaXkaede
@koutaXkaede 2 месяца назад
Acrocanthosaurus has been one of my favorite dinosaurs ever since i was little kid, so happy see it getting some love
@tyrannotherium7873
@tyrannotherium7873 3 месяца назад
I mean, theropod dinosaurs would be dominant in the Ice Age, but they would be extinct, because the climate was much much colder, and the only theropods. I could probably see that would adapt to the ice age would be Dromaeosaurus and troodontids
@robinsonray6766
@robinsonray6766 3 месяца назад
Yutyrannud & nanuqsaurus were tyranosaurids that thrived in ice.
@tyrannotherium7873
@tyrannotherium7873 3 месяца назад
@@robinsonray6766 but back, then it was still warmer
@Mateusz-sq9ox
@Mateusz-sq9ox 3 месяца назад
@@tyrannotherium7873 dinosaurs weren't cold-blooded reptiles mate, most of them (if not all) were endothermic.
@robinsonray6766
@robinsonray6766 3 месяца назад
@@tyrannotherium7873 it was warmer in general, but these tyranosaurids lived in habitats similar to modern day England which gets freezing in winter. It's a fallacy to think every habitat was warm during the age of dinosaurs. The poles were still cold, not as cold as today's poles, but definitely colder than most other habitats today
@tyrannotherium7873
@tyrannotherium7873 3 месяца назад
@@Mateusz-sq9ox no shit dinosaurs warm blooded however, the Cretaceous period of Alaska was much warmer back then it wasn’t an Ice Age
@CharlieBrown-wj3hl
@CharlieBrown-wj3hl 2 месяца назад
This is a such a brilliant and well researched video, I was absolutely hooked. Somebody needs to write a novel based on that alternative theropod-infested and their encounters with early humans
@TheVividen
@TheVividen 2 месяца назад
Thank you! Said novel is a series in progress....
@dariodramac
@dariodramac 2 месяца назад
​@@TheVividenTAKE MY MONEY!
@wpower7435
@wpower7435 3 месяца назад
This is amazing please do South American theropods next it is a hotbed of huge Carcharodontosaurs
@Skyypixelgamer
@Skyypixelgamer 3 месяца назад
I think the elephant situation is handled very well in the spec evo/biology tales of kaimere handles the elephant situation well.
@daniellewillis2767
@daniellewillis2767 2 месяца назад
I love imagining a giant fluffy chick-like floofball that suddenly opens its mouth and reveals that it's the cutest death sentence EVER! This image just popped into my head when you mentioned therapids getting fluffier...
@DunedinDino99
@DunedinDino99 3 месяца назад
For those claiming oxygen levels are a problem: Dinosaurs had the same breathing system as birds and crocodiles, which breathe more efficiently than mammals. Additionally, the extant blue whale breathes air and is the largest animal ever.
@robinsonray6766
@robinsonray6766 3 месяца назад
Good points but blue whales are likely not the largest animals ever. There's an ichthyosaur and a ancient whales species that were as large as blue whales, and another ichthyosaur species which was larger than a blue whales and the fossil we have was still growing
@DunedinDino99
@DunedinDino99 3 месяца назад
@@robinsonray6766 Those ichthyosaurs lived during the Triassic when oxygen levels were even lower than Today.
@robinsonray6766
@robinsonray6766 3 месяца назад
@@DunedinDino99 yes good point
@robinsonray6766
@robinsonray6766 3 месяца назад
@@qbgrindddd the key word is likely. It's absurd to claim something as the biggest ever, when we only have a fraction of the fossil record and in the last 10 years alone we've discovered 3 separate species that could possibly eclipse blue whales in size.
@robinsonray6766
@robinsonray6766 3 месяца назад
@@qbgrindddd likely is the key word. We only know a fraction of the fossil record yet in the last 10 years alone we've discovered 3 separate species that may have eclipsed blue whales in size.
@redbyes6722
@redbyes6722 3 месяца назад
Amazing
@RosalinaDeAnda
@RosalinaDeAnda 3 месяца назад
Amazing, you did amazing witn this video. Dinosaurs in the Cenezoic is a hot topic of debate that people should look at more. You did an amazing job giving all the information and evidence in a very good manner. I personally think the Theropod Dinosaurs can survive in the Cenezoic but there will be challenges like: Proboscideans, humans, and smaller creatures. Amazing job I can't wait to we what other Paleontology videos you will make.
@JDINK
@JDINK 3 месяца назад
I love this guy
@miguelsoto8150
@miguelsoto8150 3 месяца назад
imagine that you are part of a hunt group and just manage to take down a wolly mammoth, and when you and your friends are preparing the animal, sudenlly 5 scally demons(saurophaganax) almost the size of the mammoth you just take down appears from the woods and start springting towards you, thats horrifing.
@TheVividen
@TheVividen 3 месяца назад
Playing mammoth hunt on hard mode
@drh-ns8yd
@drh-ns8yd 3 месяца назад
So good
@Dinoman-rt1uv
@Dinoman-rt1uv 3 месяца назад
Rule number 1 like before its even out.
@TheVividen
@TheVividen 3 месяца назад
You deserve a gold medal, but a heart's the best I can do
@Dinoman-rt1uv
@Dinoman-rt1uv 3 месяца назад
​Can you please do Asia or Euraisa next because I really want to see how the biggest landmamals perform.​@@TheVividen
@TheVividen
@TheVividen 3 месяца назад
​@@Dinoman-rt1uvthat's the plan! South America is also on the list.
@brycesmith9878
@brycesmith9878 3 месяца назад
What an excellent video! This cements your position as my favorite prehistoric RU-vidr! Anyway, a thought about packing hunting for the megatheropods. Is it still considered pack hunting if its a mated pair of acros or rexes? Pack hunting in my head is like a wolf pack or lion pride, not two big megatheropods and maybe some of their young.
@TheVividen
@TheVividen 3 месяца назад
Personally I wouldn't consider a mated pair as a pack, but I think any more than two would count. The tyrannosaurs we've discovered in groups seem to have a wide range of ages, so family groups may have stuck together well into subadulthood.
@brycesmith9878
@brycesmith9878 3 месяца назад
@@TheVividen well, that makes life much, much suckier for mastodons, mammoths, and whatever else a megatheropod pair would decide to make a meal out of
@TheVividen
@TheVividen 3 месяца назад
​@@brycesmith9878That's for sure!
@iforgorlol69420
@iforgorlol69420 2 месяца назад
26:34 i really hope you do this topic some day in the future as a sort of sequel to this video. It sounds interesting and also really cool at the same time.
@subnombre
@subnombre 3 месяца назад
Could I do the Asia chapter? I want to see the theropods against the great P.Namandicus
@atToebiscuit
@atToebiscuit 3 месяца назад
I think P. namadicus would fair well. Big adults are more than 3 times the weight of Tarbosaurus and Zhuchengtyrannus, the largest theropods in Cretaceous Asia.
@denistyrant
@denistyrant 3 месяца назад
@@atToebiscuitA single individual maybe but a pack would be a nightmare, not to mention Zhung already coexisted with dinosaurs that were around the size or larger than P. Namadicus
@josephroberts5243
@josephroberts5243 3 месяца назад
A group of megatheropods is officially a ‘nightmare’ now
@jkjk7423
@jkjk7423 3 месяца назад
You addressed the dynamic between Theropods and the Proboscideans very well in my opinion; you were very clear in explaining your reasoning as objectively and as unbiasedly as possible using all the necessary evidence to support your arguments. If this doesn't convince fanboys on either sides, then I don't know what will.
@TheVividen
@TheVividen 3 месяца назад
Thank you! I'm glad you feel that way. I combed through the comments on the other spec-eco videos to find things I'd missed about proboscideans to include in this episode and I had Evan check through that section specifically to see if anything was missing, so I feel pretty good about it. I'm glad you enjoyed it!
@Ratchetcomand
@Ratchetcomand 3 месяца назад
Do Megatheropods in Cenozoic South America next please
@fabianvidrio370
@fabianvidrio370 3 месяца назад
Love your content, please do could leviathan melvillei survive the jurassic Ara next. 🙏
@TheVividen
@TheVividen 3 месяца назад
That's actually already been done on the channel: there's a link to it in the end of this video, actually!
@fabianvidrio370
@fabianvidrio370 3 месяца назад
@@TheVividen thanks
@khaiasaurus2595
@khaiasaurus2595 2 месяца назад
I think a quake of tyrannosaurs sounds the best. I can imagine the sound of a megatheropod group influencing the vernacular used
@prehistorichero2755
@prehistorichero2755 3 месяца назад
Judging by your analysis in the Pleistocene, I want to live in that reality!
@TheVividen
@TheVividen 3 месяца назад
It would be so cool!
@AndyRealist
@AndyRealist 2 месяца назад
Great video can you do can t rex survive after the ice age into the modern era maybe all types of dinosaurs and also mention its purpose dinosaurs can be use for us humans for example utahraptors and other raptors species can be use for military and law enforcement etc
@Thomas_Name
@Thomas_Name 3 месяца назад
I loved the ending. Reminds me of all the old fantasy scenarios in fiction where early humans interacted with dinosaurs.
@jaigermeille3482
@jaigermeille3482 Месяц назад
That “angalagon the black” was totally unexpected and made me laugh so hard 😂
@maozilla9149
@maozilla9149 3 месяца назад
nice
@justjoshua5759
@justjoshua5759 3 месяца назад
Pretty crazy to imagine how these animals were this adaptable as you get the impression that even mid size aggro predators like ceratosaurus were simply too large and had reproductive cycles too slow in the cold. But it’s pretty damn impressive especially considering the mass extinction element humans present of which other animals simply wouldn’t be able to exist with. Yeah I know they didn’t make it past the Holocene but still very impressive compared to the cenzoic counterparts. Another excellent and epic series edition vividen👏🏾👏🏾 Btw that lion story with the elephants is crazy. Like those African bull kalahari super lions.
@godzillakingofthemonsters5812
@godzillakingofthemonsters5812 3 месяца назад
Next suggestion: what theropods would survive into the Holocene, could be from any continent or this one as a jumping off point.
@knowncoralconsumer
@knowncoralconsumer 3 месяца назад
@fictionvstheuniverse5418
@fictionvstheuniverse5418 Месяц назад
a nightmare of tyranosaurs, i love it
@MarcoPolo-vb1sw
@MarcoPolo-vb1sw 2 месяца назад
Megafauna would not have evolved if theropods were around. Raptors would have kept mammal size in check.
@spideyfanw1748
@spideyfanw1748 3 месяца назад
All this speculative ecology gave me an idea. How would dinosaurs compare/compete with modern day dinosaurs aka Birds? Specifically Dromeosaurids vs Terror Birds and modern raptors like Hawks and Eagles? Edit: Also Ratites like Ostriches, Emus and Cassowaries.
@robinsonray6766
@robinsonray6766 3 месяца назад
Dromeosaurids filled a different niche than birds of prey, during the age if dinosaurs other birds filled the niche of modern birds of prey. Dromeosaurids and terror birds filled a similar niche. Dromeosaurids and terror birds both had many biomechanical advantages including airsacs and hollow bones. The issue with birds is that they have a posture issue ever since they lost their bony tail thus making them front heavy which limits them. A 200lbs terror birds will smash its beak into prey while a 200lbs dromeosaurid would jump on top of prey, grasp with its 4 limbs and bite. Essentially, they could take out bigger stronger prey. Predators need some athleticism in order to catch prey. Birds poor posture limits their size, you need a column stance ti be large. The biggest terror bird was nowhere near as large and powerful as a Utah raptor
@spideyfanw1748
@spideyfanw1748 3 месяца назад
@@robinsonray6766 The biggest of Terror Birds stood taller than an human. Couldn’t the biggest just kick the shit out of Utahraptor like Ostriches and Cassowaries do to people and other animals today? Also Modern birds of prey could see smaller dromeosaurids as food since they’re small enough to be picked up and I believe that they would also compete with bigger dromeosaurids for the same prey items. Or would they all just coexist with no one eating the other?
@robinsonray6766
@robinsonray6766 3 месяца назад
@@spideyfanw1748 you're 100% right about birds of prey being able to eat smaller dromeosaurids and sometimes competing for the same food, but it goes both ways. Regardless they filled different niches. Dromeosaurids lived alongside birds, some of which were almost identical to birds of prey today. Enantiornithes were more diverse than today's birds during the cretaceous but filled identical niches. Dromeosaurids dealt with them how theid deal with today's neornithine. Utah raptor, when leaning upright, would be about 10ft tall. Theropods are typically depicted vertically but they could certainly and likely usually leaned in an upward posture when fighting to make themselves seem larger and in this position their claws are in perfect position. Utah raptor was far too massive and powerful for terror birds. Ostriches are about 10ft tall as well. They wouldn't stand a chance
@BobbyB1928
@BobbyB1928 2 месяца назад
I doubt it. Surviving the cold of the Americas during the Ice Age would have been a problem that would require evolving a thick coat of feathers which it's questionable whether Tyranasaurs even had potentially making the Saurian T Rex outdated. Not to mention rats eating their egs and the human threat. By this point once humans crossed the Berring Strait it was only a matter of time. They were resiliant enough to survive the mini extinction 10,000 or so years ago and would have certainly been able to eventually overpower the Tyranasaurs. They not only had sophiaticated weapons like the atl atl but also had fire and advanced tactics that they could use to their advantage. Other megafauna didn't last long once humans arrive and I don't expect Tyranasaurs or other larger therapods to do any better.
@samuelruakere7728
@samuelruakere7728 2 месяца назад
The more I think about the Kaimerans from Keenan Taylor's Tales of Kaimere (a spec evo project) and how they coexist with the dinosaurs of that planet is very similar to this video and concept of early humans meeting dinosaurs.
@jessehutchings
@jessehutchings 3 месяца назад
Can you imagine if Tyrannosaurids knew how to kick or hip bash their prey over? Imagine a 10 ton Rex running out from cover at 20MPH and just dumping a Ceratops over for an instant victory
@sandoe41
@sandoe41 3 дня назад
A kick, maybe. Not a hip bash, ceratopsians have a much lower center of gravity. Most tyrannosaurids would stumble, if not outright trip over them.
@connorstamps1298
@connorstamps1298 Месяц назад
Knowing us humans we would probably call the T. rex or Ceratosaurus something stupid like The Small Arm Lizard or The Rainbow Crested Lizard if they existed in the Ice Age.
@lincolnross9000
@lincolnross9000 27 дней назад
According to Google, a group of Tyrannosaurus Rex’s is called a “Terror.”
@ztk1138
@ztk1138 3 месяца назад
Could the north American ice age megafana survives in a modern north America?
@godhimself478
@godhimself478 3 месяца назад
Yes and no, yes in climate/ weather tue main problem is us kinda living there.
@loowick4074
@loowick4074 3 месяца назад
America still has alot of wild area especially Canada and many parts of US where alot of undeveloped land still exists. That's enough space for mammoths. If elephants can live in India, mammoths should thrive in modern north america.
@spiderlime
@spiderlime Месяц назад
when i think about the possibilities of theropod evolution after the period known as the extinction aftermath, it makes some sense, at least to me, that they would evolve into somethink like terror birds, possibly much larger, with serrated beaks. they may still have tails, but much shorter ones.
@ferociousrazordino3581
@ferociousrazordino3581 3 месяца назад
I want to mention that giant size is not always going to be detrimental in the way that their won't be enough food or speed to catch prey if they are bigger than native fauna. For one, large animals actually seem to be better sustainable for proportionally less food than smaller animals are, and if theropod metabolism studies are anything to go by, for an 8 ton theropod they'd be comparable to a 1 ton mammal. A human sized meal would actually be pretty fulfilling to a T.rex. And despite being large speed does not always become worse with increasinv size either.
@TheVividen
@TheVividen 3 месяца назад
That's a great point!
@cideofsacae
@cideofsacae 3 месяца назад
Imagining the development of human civilization and culture with these big boys running around sounds like a fascinating alt history to explore. Gunpowder is a little over 1,000 years old- Homo sapiens is 200,000. Would we have figured it out early to defend ourselves from the big boys? Or would such dangerous predators stifle progress altogether?
@powerbalancevathelastkitsu2504
@powerbalancevathelastkitsu2504 Месяц назад
Group of Rex: A Nobility Group of Utah: A Coalition Group of Torvo: A Dominion Group of Allo: A Pride Personally, I'd rather see what would happen if dinosaurs were around today. Also, imagine if mankind tamed Utahraptor instead of wolves in America
@XTh3T3RMIN4T0RX
@XTh3T3RMIN4T0RX 16 дней назад
I’m imagining a TV show based on something like this now
@WildBillCox13
@WildBillCox13 3 месяца назад
Yutyrannus? Just a thought.
@jaredmc7982
@jaredmc7982 3 месяца назад
I think I heard that the paper on the Canadian Tyrannosaur trackway referred to a pack of Tyrannosaurs as a "Terror"? Not sure if that was accurately reported though? I think I could see the Tyrannosaurids going after Glyptodonts, since the larger species (Tyrannosaurus) would be able to out pace them, out maneuver their their tails, and crunch through their armor. Giant ground sloths might be a bit tricky or an interesting scenario for Tyrannosaurs, because Tyrannosaurs did evolve alongside both Therizinosaurs and Deinocheirids; while we currently don't have any evidence of either from higher latitude formations like Hell Creek, there has been at least 1 known species of Deinocheirid from Mexico, and it could be easily plausible that Therizinosaurs might be found there too that we have yet to find. So perhaps Tyrannosaurs would have "interacted" (hunted, fought or avoided) with giant ground sloths in a similar manner as they would have with Deinocheirids or Therizinosaurs? Also, I could see Tyrannosaurs taking advantage of the Bering Land Bridge to invade Asia once again, and start taking advantage of the mega faunal food sources of Asia and probably Africa from there too?
@vladline1882
@vladline1882 3 месяца назад
What happened to Paleoxodon and paracetherium?
@denistyrant
@denistyrant 3 месяца назад
Their in Asia not in North America
@estott3647
@estott3647 2 месяца назад
Sorry, what's the patch that installs these option? I would like a saurian house pet.
@corleydavis745
@corleydavis745 3 месяца назад
this needs to be a syfy book
@myleswelnetz6700
@myleswelnetz6700 2 месяца назад
I think Yutyrannus would be a better fit.
@KingKyrool
@KingKyrool Месяц назад
Amazing video! I feel like humans would have to develop traps to take on the dinos. Also i never thought of rats being the issue that they could be for nests. Makes me think about how many creatures went extinct to disease/infestation of vermin. Mammals are not clean animals but we are very good at making things trip, just ask my cat lol.
@SamuRhino2023
@SamuRhino2023 3 месяца назад
Any news on Bertha yet? The T.rex specimen I mean.
@gigamosaurts2513
@gigamosaurts2513 3 месяца назад
Do south america please i want to see my son giganotosaurus doing during cenozoic
@TheVividen
@TheVividen 3 месяца назад
That's the plan!
@gigamosaurts2513
@gigamosaurts2513 3 месяца назад
@@TheVividen 👍
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