Carnotaurus - Ancient Animal
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- čas přidán 2. 01. 2020
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Paleontologists: Names a dinosaur after a comic book villain.
NORTH 02: “DISAPPOINTED!!!!”
I am not the biggest marvel fan....
@@NORTH02 Thanatos would have been a better name
@@Ratchetcomand …Thanatos is a dinosaur, tyrannosaur if I’m correct.
Maybe someday their be a Northosaurus 2...
At least 'Thanos' is easily pronounced, and easy to remember.
Hey, my hypothesis for that one last minute question can be simplified to few points:
1. dinosaurs have pneumatic bones, and mammals don't, so mammals have an inherit obstacle that is weighing the skeleton down.
2. archosaurs including dinosaurs, especially theropods, have (well birds got rid of that) long tales used as attachments for muscles moving ulnar bone, a feature that mammals lack, which ends up with a great counterbalance to the front of the body
3. maybe bipedalism, as seen in dinosaurs, actually helps running, like front limbs don't get in the way, and any quadrupedal arrangement in dinosaurs is secondary, and developed in groups that didn't prioritize speed.
4. musculature structure, reptiles tend to have an arrangement of muscles helping movements side to side, and mammals are better in moves in up and down pattern, and if you take a look, most runners amongst mammals tend to basically "jump" when they run
So in my opinion it's more like mammals had to work some solutions to achieve such features with what they had, and dinosaurs just started with different setting, that prefers bipedalism when running
Well put, and remember that legs directly beneath the animal, as in say, humans or chameleons (a rarity amongst lizards) is actually a rare body design in nature.
You said it better than I ever could.
I know dinosaurs were birds but they are very like reptiles and any large reptiles are slow moving, also look at the 4 legged dinosaurs, they were slow.
I think that they evolved to be bipedal because it was the best way to move quickly.
I LOVE THE WAY YOU ARE THE BEST !
Dinosaurs.
It coexisted with Giganotosaurus, which is possibly why the scuttes on its backside would've helped out, as it was much smaller than that gigantic allosaur and coexisted with it in the same time and place.
Same place but not the same time,Giganotosaurus was 97 mya while Carnotaurus was 72 mya,but I wouldn’t be surprised if there was Carcharodontosauridae that we’re like it around till the very end
Yeah maybe the carnosos filled a different niche went for the smaller prey
@@LorenzoVargas1981 Good observation; but it does stand to reason that Maposaurus, a decendant species of Giganotosaurus, was a contemporary to Carnotaurus.
@@raaspider That'd make sense, what with its relatively weak lower jaw and skull structure... it'd kind of have to go after smaller victims.
Plus, most predators want to get in, get food, and get out, not sustain a long fight- that latter idea is how you *lose* as a hunter.
@@chissstardestroyer maybe it's prey was young charcarodontids, it was built for it 🤔 so you can't rule it out. Think of carno as population control for charcarodontids
9:16 fun fact despite trexs small arms the animal can pick itself up after a fall and it can bench press 400 pounds, the info can be found with a google search “ how much can a T. rex bench press?“ And I have an idea for the next ancient animals, about a carnivorous kangaroo called Ekaltadeta, that lived between 20 to 10 million years ago in Australia, and it’s the only Bi pedal carnivorous mammal that I know of. And also there’s a video on CZcams called “ Skippy the Carnivorous kangaroo “ were a kangaroo eats a dead bird, only 50 seconds long. An ways good vid m8
It could curl 400 lbs
Mick Smith that’s what google said on the first page, it do be doing arm day tho
actually, a looooot of mammalian herbivores *DO EAT* meat if they find themselves an easy snack - like baby birds. there are countless videos on youtube that show deer and cows eating nest fledgelings. the reason: they need the calcium and phosphorus in the meat and bones. this is also the reason why cows, horses etc. gnaw on bones when they find it - to get calcium and other minerals that are rare in their plant-based diet.
being predominantly herbivorous doesn´t mean that they exclusively eat plants. it´s save to assume, that some dinos did the same thing.
”The only bipedal carnivorous mammal that I know of” not very self aware are you buddy?
The honesty about the ten minute mark xD
I would never lie to yall
“Its classification is still a debated topic, but who cares? Let’s talk about how cool it was!”
Finally, someone gets it 😂
Make Majungasaurus 👍❤️
Carnotaurus were rugged & looked like crocs with all those osteoderms, but they also carried feather pom-poms on their tiny hands!
that's an amazing image!
It probably didnt lol because abelisaurs were far in the taxonomy tree from feathered theropods
Also I think it would be better to put "might've" before your facts because we are not sure what dinosaurs did and didnt
There are no evidence of feathers on their forelimbs. It's all speculation.
Beautiful illustrations in this video...
BF:(points at GF's hand) HAHAHA! TRex hands!
GF: OK there Carnataurus
BF: *I have FOUND the one*
Very cool video and good question at the end!
The Carno is my favorite dinosaur, nice to learn more about it :)
Discovered your channel it is great Keep up the good work! 👌👍
Oblivion music?
Good vid, by the way.
Excellent.
Perfectly wrapped up, thx!
My childhood favorite dinosaur alongside spinosaurus, carcharodontosaurus and mapusaurus. Great vid
Nice videos! Thanks a mil for the content :)
Yep!
EXTREMELY well chosen oblivion track for the tangential rant at the end.
I love your honesty about the 10 minute mark. Most youtubers just ramble about things nobody asked them to
Not much to add, I’m only here to say this is great channel
Sea scorpion or Triceratops next?
I love your channel!!!!!
Cool Video
Elasmotherium that should be a fun vid 😁
I really loved this video though im not that interested in dinosaurs and can i ask one question could you make video detailing bear evolution
possibly, I made a video on canid evolution so I wouldn't mind making it a series. I will write it on my list!
There is one about bear evolution from "moth light media" , he also has very great content
The horns could have acted as a sunblock. Allowing to better gaze over the plains looking for prey.
makes sense, not like it could just use it's hand like you or I would
I like how you give different versions about a feature if you can’t find definite proof.
Great vid mate!
Dinosaurs may be bipedal because they evolved almost completely uninterrupted for hundreds of millions of years. Mammals basically began diversifying just 65 million years ago. Before that, mammals occupied basal ecological positions. Mammals may simply lack the time to evolve bipedalism outside of humans
Tell us how life began on earth and who was the first dinosaur?
@RATHALOS your frist ancestors ************
There was no first dinosaur per se. Multiple reptile species that were considered dinosaurs evolved at about the same time. This was the beginning of the Triassic Period.
@@aadipattanaik7778 yeah but their are few reptiles who are considered as first dinosaur I want to know more details about then
Supradeep Dam yeah you’re right. Watch some documentaries or read articles or something
@@aadipattanaik7778 thanks Bro
I think it’s possible that corner towards would’ve had bought its prey and when the pre-animals on the ground he could just kill the animal by biting the throat
Rule of Dino Cool lets me that those horns were also awesome sunshades for this beasty to see and chase down prey in the open plains, as well as all these other cool functions!
Good stuff
Really interesting video! :)
I wanted to ask if you might do a video about the Alaskan tiger that was present there during the ice age?? I find this fascinating that there were so many different types of predators in the area of Beringia and Alaska.
Another idea I thought could be the American Cheetah? Another ice age big cat that hunted the Pronghorn.
I have never heard of the alaskan tiger, do you have a species name?
@@NORTH02 Apparently it is Panthra Tigris?
@@NORTH02 That's all that's said. :/ Sorry it is not very useful.
Hehehe i live in alsaka
@@thisgamer2791 Perhaps then you can confirm or deny it's presence there then? Here's a time machine for you to use.
Don't forget to take lots of warm clothes to wear and a weapon. XD
Scales and feathers? Look at a chicken leg/foot!
Can you imagine if a rooster had teeth? Running around the barn, taking chunks out of the ducks?
I would have thought (and someone feel free to prove me wrong) that the reason therapods didn't evolve as quadrupeds would be because they have a lighter skeletal structure, thus allowing for support on simply two legs and a counterbalance in the tail. Mammals on the other hand are much heavier for their size and thus require more support.
It makes me wonder then how therapods hunted. It seems to me that quadrupedal mammals tend to favor ambushing their prey, though there are some exceptions, wolves most notably. Maybe Therapods in general had a 'run-quickly-and-directly' approach to hunting, perhaps Carnotaurus in particular.
Good work on the video. I hope to see more from you soon.
Thank you
Plz Do A Video About Siberian Tiger VS Barbay Lion
One of my favourite dinosaurs.
They are cool
I wonder if the predator dinosaurs were bi pedal to make them taller so they could use their good eyesight more efficiently. They lived in a super jungle didn’t they or at least a place with a lot of tall vegetation.
Maybe the reason for bipedality in theropods is the larger tail shifting the centre of mass further back, so that when it ran it would naturally go onto two legs (like lizards). Also dino spines bent side-to-side right? That would also promote bipedality over quadrupedality because in a quadrupedal animal the spine bends up and down.
If nothing else, I'm willing to bet that the tiny forelimbs still may have served to assist the male when mounting the female, but who knows for sure. Also theropod dinosaurs were technically tetrapods (belonging to superclass Tetrapoda), just like amphibians, other reptiles, avian dinosaurs, and mammals. I think the word you're looking for is "quadrupedal." Great video!
i like the subtle humour in this video.
one of my favorite dinosaurs, ever since I first saw it in Disney’s movie “Dinosaur” even tho it’s size in that movie wasnt exactly accurate
One of my favourite movies as a child! And yeah well if we’re going to talk about the accuracy of the movie we might as well start with the *monkeys who adopt a baby iguanodon*
@@topiheimola69 They were lemurs 😂
Good movie from my childhood
@@matthewwelsh294 A great movie to be sure yes! And technically lemurs are monkeys ;)
great video
Cool video. Certainly a weird creature.
It’s weird animal but it’s bad ass
This one of, if not my favorite dino.
9:16 Scariest Dinosaur 😂
My theory on why most (all) theropods were bipedal: they didn’t have many quadrupedal competitors so the selective pressures of evolution didn’t kick in when it came to quadrupedal vs bipedal.
I love the Skyrim background music
7:23 50mm is about 2", not 5mm. Just saying.
That minor point aside, your videos are superb. Your production values are off the scale. Thank you for giving your time to make genuinely absorbing content. 😎👍
When I was in college for electronics our instructor always made the point DETAILs will kill you.
The local Carnos have been harassing me and this video helped
For maybe expanding your channel you can talk about the Paleontological inaccuracies of different dinosaur movies. That could be cool, like the 1933 King Kong even though I love it, or the Jurassic World Movies. Thanks for covering my second favourite dinosaur!!!!
Possibly, I have thought about it. Thanks for watching!
Awww, we love you too
What music do you use in your videos? It's really epic!
Skryim music mostly
This may sound ridiculous but what was their biome like?
Were they hunting on open plains? It would seem likely given their supposed rushdown hunting strategy. So maybe their horns helped shield their eyes from the sun? Got the idea from the way many of them are depicted. May be unlikely given the size of the eye would indicate low reliance on vision. But I found the idea intriguing.
I think a animal that run with 4 legs - but same size - may not reach that high ; to attach an animal way bigger than itself. Maybe they had some kill strategy that make them go for the throat of a sauropod ?
They claim these dinosaurs used their arms for sedition. But in the way they showed it was not much convincing! I think they used those tiny arms to do something fast and strong, such as slapping them against the body really fast to create a type of loud noise. That would explain the huge muscles and the fact that they don’t have claws. And maybe it was not really to attract females but a display of strength. Slapping those arms against the stomach area would create a very loud base type of noise, kind of like what crocodiles do today, telling other males their strength, to stay away from their territorial ground and yes perhaps attracting females as well. They may have even opened their mouth and throat to give out different tones to the base sounds.
That was fun... just off the top of my head, here, but it may have been that in certain phylogenetic groups of dinosaurs front legs became committed, or canalized ( canalised? ) as 'hands', large or small, and evolution provided no way of going back. Birds may have wings adapted for gliding, flying, swimming, display, or none of the above, but I would be surprised to see a bird, once having wings, to then evolve front legs for running. The embryology just might be a bridge too far.
Ranger G. :)
Interesting theory
I don't know why people are upset over a dinosaur named after a comic book villain I think it would help teenagers get more into dinosaurs since they really like comic books and naming a dinosaur after a beloved fictional super villain does help get attention.
I'm sure they didnt have a problem if they fell over, just like an ostrich or kiwi can easily stand up again if they fall over.
It's honestly pretty simple. Being Bipedal is basal to Dinosaurs, so all dinosaur families branched out from a biped, some got so heavy in the gut they switched to being quadrupeds to carry their big plant eating guts around, the meat eating ones stayed bipedal. Extent Mammals are descended from quadrupedal mouse things, so they started on four legs and a tiny amount started standing up.
Dinosaurs also had like, four times as long to evolve new body plans, so some more mammals, given another 150 million years, might start switching to bipedalism, given the chance.
Being bipedal makes easier to spot prey. It also makes it much easier to be an ambush predator.
Ah, com`on! Don`t hate on my boy Thanos.
One reason for bipedal evolution could be because of terrain and plants. Who really knows what it looked like back then. It could have helped see over longer distances and for smaller dinos it might have made it easier to monuver through the shrubbery... Just a thought.
@North 02 you’re misusing the term “tetrapod.” Pretty much all land vertebrates are tetrapods, including theropods. It’s not interchangeable with quadruped.
Yes you are right, keep in mind that was an informal section of the video and not help to my usual standards. Thanks for the correction!
I'm pretty sure bipedalism is more energy-efficient than quadrupedalism, and it can be faster, especially when you consider that dinosaurs carried their weight more toward their hips, as opposed to mammals who carry their weight more toward their shoulders. If you watch some lizards - especially the basilisk lizard, start sprinting, you'll notice that they tend to rear back on their hind legs a little, and may even lift their front legs off the ground entirely. I imagine that the earliest dinosaurs or their ancestors were much the same. Their center of gravity was already basically right over their hips, and so they wouldn't have needed their front legs for stability or locomotion. In some dinosaurs, this freed up their front limbs for other tasks, like grasping or attacking. By the time you get to abelisaurs, they just don't need their forelimbs anymore. You'll notice that the quadrupedal dinosaurs were also the heavier or more well-armored ones - sauropods, ankylosaurs, ceratopsians, and so on. These were the slower ones who weren't using speed and maneuverability for defense, but instead used armor or sheer size to protect them from predators.
carnotosaurus is so cool
8:45 mammals likely evolved to move on four legs because they carry their young in their bodies during gestation. Not an issue for those who lay eggs…so dinos were bipedal? My guess. Haha
I wasn't ready for the "Thanos".
Interesting. As to the last, well, a lot of our modern day quadrupeds had quadrupedal ancestors. I am wondering if it is related to the extinction events? Four legged animals, as you say, are much more stable, so if you trip one limb, the other three have a chance to brace/save from a fall. But also, if a four legged animal hurts one of its limbs, it has three others to move with (not well, I know) verses if a bipedal animal hurts a limb, they're much more restricted, particularly if they want to hold the limb up
Carnotaurus: Cheetah
Spinosaurus: Grizzly bear
T-Rex: Lion
Michael Menei Baryonyx: crocodile
Giganotosaurus: tiger
I'm no scientist. But you by far have captured my attention with reasonable explanation of ancient animals. I know this sounds far out. But if frogs can absorb their tails. Why couldn't some dinosaurs have changed dramatically from juveniles into something very different. Just a thought. Thanks love listening to you.
That has to do with frogs being amphibians. Frogs need a tail in early developement in order to survive in the water. Then as they grow old they become for terrestrial. Dinosaurs on the other hand are terrestrial their whole life (for the most part) in the case of carnotaurus, the young don’t live in the water. They live on land and hunt small animals. Then as they grow old they just become a bigger version. The study of an organisms growth throughout its life is called ontogeny. You should look it up, it is fascinating.
@@NORTH02 are you so sure that they didn't change a lot. Please don't expect much from me. I'm just giving observations. Ok 😃
@@NORTH02 your super nice. I love history of the earth. I think it's important to be able to understand how drastically things have changed. And to learn from it. Once again I'm not stupid just ignorant. Lol
Today's megafuna might not need to "stand up" as frequently, because they're still (relatively)very closely related to arboreal mammals
Came here to learn about Glavenus.
The main reason that so many dinosaurs were bipedal, was because the ancient ancestors of dinosaurs were bipedal. Quadrupedalism was convergently evolved in species like sauropods because 4 legs are better at supporting weight than 2.
❤❤❤
I’m guessing because mammals have a lower center of gravity in general ? Cause of denser bones idk tho I’m not an expert
I have a theory and if everyone could give me their thoughts. Perhaps they fought like giraffes? They could have swung their horns into their opponent’s neck
This is my favorite dinosaur
Do Neovenator!
Gosh, you can talk sh** lol 😆 hitting the 10vmin mark, super cool 😎 👌
They have horns for fighting like bucks do today.
Where the head goes the body follows.. the head also is where the teeth are. It didn't need front legs when it's life was all about falling forward while biting.
Also bipedal is more efficient then quadrupedal EZ answer when considering it was also cold blooded.. being bipedal was less costly when it came to survival and nutrition and heat. The easiest answer is most logical.
It had even smaller arms than a trex lol
The environmental pressures must have been forgiving enough to allow the theropods to continually reproduce, so by the time their fore limbs became vestigial there was no real reason to grow them back? That's just a hypothesis; I'm a layman so I know nothing about the time period.
What about with the strong neck lack of fore paws It used its head to trip up prey By running alongside then dipping down and slamming the side of its head including Sharp horns into the lower legs Severing tendons blood vessels or just tripping them up Then clamp dow m with its axe like head ..??? Just saying
Using two feet takes less energy then using four feet also the brain power to control 4 feet is more than 2 feet
9:36 becoz they are ancestors of birds and is there any bird in today's time that walks on all four ?
19:15.
At the end did you mean to say Quadruped instead of tetrapods ?
because theropod dinosaurs are tetrapods.
There's answer I found on Quora that explains the "why dinosaurs were bipedal" question.
www.quora.com/Why-were-so-many-dinosaurs-bipedal
Tldr: reptiles had different skeletal anatomy that made them better to running bipedally than quadrupedally. IDK how accurate this is but to a layman like me I think it's pretty convincing.
Ancient Earth was literally hell with flesh-eating giant demons. Current Earth looks ridiculously tame compared to prehistory.
The "flesh eating giant demons" killed for food but a hippo will kill you and your entire family for sport. What's more evil, one who kills to eat or one who kills for fun? Fear the hippo.
I don't think I'll ever be chased by a carnotaurus but thanks anyways
Yes the implication that the boney plate above to eyes was simply for fighting for mates is a male interpretation. Lol. It may have been to shield the eyes from sun.
I could suggest this on why they are on two legs. Vision. Height when you have binocular vision is key to finding food sources. Not to mention intimidation from smaller scavengers or run other predators away. Just a thought, I could be making a stupid argument.
I like the username lol
@@NORTH02 lol thanks. I’m a child 🤣
2 legs can actually be good for running. It doesn't require as much energy as maneuvering 4 legs.
True but if you can't catch up to your food you are doomed.
@@NORTH02 bipedalism allows to look higher and use your hands for other things instead of walking. Dinosaurs probably evolved bipedalism to use their arms to seize prey. Another advantage is that while bipedalism is slower, it improves endurance because as I stated in my previous comment, it requires less energy. This why humans are bipedal because we once were predators who ran for long periods of time to tire out faster prey and hunt it. It also allowed us to use tools. Dinosaurs evolved bipedalism mainly to use their fore limbs to seize prey
EA SPORTS axb my question was more in reference to why mammals didn’t evolve bipedalism. I get why it is better in some ways but why weren’t their super predator mammals that were bipedal. Of course we are but we are not super predators in terms of diet and ability to kill.
@@NORTH02 perhaps because mammal predators have specialized teeth like all mammals so they don't need to use their forelimbs to disembowel prey. Dogs use multiple strong bites to kill prey while cats use one single bite at the neck using their long teeth. It might also stabilize mammals.
@@NORTH02 Well technically we are super predators. We are - for the moment - on the top of the foot chain and could and can kill prey that is much bigger than us, not just because of our ability to make and use tools, but also because we are the mammals with the highest stamina. Also, if you're killing big, slow prey, you don't have to be fast. The energy you save by this kind of locomotion, you can spend on other skills like brainpower. Birds have the most efficient brains of all vertebrates and the same was probably true for extinct dinosaurs, and of course our enormous brains wouldn't be possible either, if we would walk quadrupedally.