I just subbed yesterday and remarked to my wife how depressing it is to find a perfect channel where the creator seems to have given up posting content too early. Glad I was wrong!!
I JUST found your videos and I am VERY impressed! PLEASE don’t give up on them! I know how hard it is to do them, but it’s very rare when you find a channel with videos as comprehensive as yours. PLEASE consider making more!
It's very satisfying to get such a detailed profile of Morrison Formation sauropods. More and more I wonder why Camarasaurus has been so overlooked given they were the most common.
Unbelievable! The most comprehensive, engaging, and professional overview of a dinosaur I have seen yet on RU-vid. I can't wait to dig in to your other material. Thank you, thank you, thank you!
What a joy to still find little gems of RU-vid channels like yours ! From the writing to the editing to the music choice (never thought Holst’s Mars would fit so well with dinosaurs), everything was perfect !
I've never heard of Camarasaurus before Jurassic WOrld Evolution, and I always thought it was a boring sauropode, but this video, and the one of the skeleton crew shows that there's no boring sauropode XD
Nice! First new video since I subscribed a while back. Thank you for continuing to plug away on this channel; I appreciate the deeper research you put into it.
Camarasaurus is my favorite sauropod. I didn't know they were so common. I live in the Morrison and I see TONS of dinosaur bones all the time. I once saw a complete tail vertebra from some kind of sauropod that had Allosaurus tooth scrapes in it that was laying in a wash.
Great work again! :) My favorite part was the time you spent comparing Camarasaurus to its contemporary sauropods, I never knew its teeth meshed together!
As always a great video! I live out in Denver and this video re-ignited my interest in hiking Dinosaur Ridge and the Morrison formation as a whole. Would you be interested in making an in depth video on the Morrison formation in general?
I am afraid that might be further down the line as there is more to say about Psitticasaurus as a mostly complete fossil was found with skin features and soft organs preserved. I will be mentioning Protoceratops in my next dinosaur profile about Triceratops, though.
Great docu - made my evening - thank you so much for creating & sharing! BTW I was wondering if Camarasauri or any other sauropods did have lips, but with a toth replacement rate of two months, at least I don't see a real necessity for that. Still wondering, though.
The evidence for lips would be a kind of enamel that cannot form in dry conditions (like with Tyrannosaurus). This is not the case in sauropods. It does not mean that sauropods didn’t have lips, but there is no evidence for it. I would think that they didn’t as lips would only have gotten in the way of their constant biting and swallowing. There is evidence of some protection around the gums, as I talk about in the video.
Camarasaurus apparently had a pretty strong bite force. I can Imagine a a group of them facing a predator, lowering their heads with a swift bend of the back legs to snap at it in a form of phalanx. Although the predator has probably gotten be desperate! 😅
Yeah I think herding is a great idea. 👍 I mean, if kommodos are anything to go by, those therapods only need to sneak up and give you one real good bite and you're limping and bleeding, and that makes the next bite that bit easier for them, and then next one...
Good afternoon, Andrew! I've been waiting for the release of your dinosaur profile on Triceratops ever since the end of year 2023. So I was wondering when the expected date of the release of your Triceratops profile video would be? Also, I was hoping for a dinosaur profile on Dilophosaurus and Therizinosaurus to be next after Triceratops. The reason is that Dilophosaurus is my number 1 most favorite dinosaur since 2023 and Therizinosaurus may be my 6th favorite dinosaur, although it is still uncertain at the moment. Also, I am also expecting to see the appearance of Triceratops' biggest rival in your profile, none other than the famous T-Rex. If you'd be mentioning about Triceratops and T-Rex's relationship, there's the Dueling Dinosaurs find, featuring a young Tyrannosaurus rex and a Triceratops buried together. Don't get confused with the Fighting Dinosaurs (Velociraptor mongoliensis and Protoceratops andresii).
I cannot say what the date will be as a lot of life changes have gotten in the way of me making videos. (This is a hobby and not my job.) I feel that Dilophosaurus would be a great dinosaur to do, but I do not have it on my to-do list yet. There is a great video about Dilophosaurus, if you have not seen it, here: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-y7jSOp2mr2s.htmlsi=Nk0REV9U0Aq-IVqP Unfortunately, while the Duelling Dinosaurs holds a lot of promise, it seems that scientists are still working on it, after it being in a private collection for so long.
@@palaeo_channel , it's okay if Dilophosaurus or Therizinosaurus wouldn't be next after Triceratops in your next profile (probably), but I guess that I should just keep waiting and waiting and waiting and waiting for a few more months... As for sauropods and sauropodomorphs, aside from Apatosaurus, wouldn't there be dinosaur profiles on Argentinosaurus, Massospondylus, Dreadnoughtus, and the rest?
From what I have seen, it seems that Dracorex is considered a juvenile Pachycephalosaurus. Stygimoloch is a bit unclear. It may be a valid species or a later species of Pachycephalosaurus. The consensus seems to be that it is not the same species, but may be the same genus. As of 2021.
I think I will be getting to those. They are very interesting for different reasons. Dilophosaurus was one of the first large dinosaur predators and the recent finds of the crest show how large that structure was. Also it would allow me to add the the debunking of the Jurassic Park poison and frill, which I hate. Therizinosaurus is also interesting as it shows how a theropod can become a herbivore similar to the prosauropods. It is also one of the weirdest looking dinosaurs that took ages to work out what it looked like.
I think camarasaurus and brachiosaurus were certainly chomping through araucariaea leaves and nuts. araucariaea leaves are hard to break down(not for a long gutted sauropod) but have a decent amount of energy so I can imagine them being the dietary keystone for, well most giant chisel toothed sauropod species. Might be competition with leaf strippers on agathis/agathids. I think pinus generally scores pretty well too(and its a bit hard to strip needles) if you can break it down, not sure about cypresses, (cheileperids obviously being extinct for like 50 MYA bit hard to say)or yews, podocarp leaves are rubbish but they do fruit.
You can see what will be coming at the end of every Dinosaur Profile video. This one is taking longer due to a lot of background reading, work, and personal responsibilities. I am also preparing a shorter video to tie off the Morrison Formation for a while.
Btw, I know some facts about Triceratops: 1.) Triceratops is translated in Greek to "three-horned face", for the three horns on its face. 2.) Like other ceratopsids, Triceratops has a frill which protects its neck against other predators as well for attracting mates. 3.) The horns were used for defense against predators like Tyrannosaurus Rex. 4.) Triceratops' top speed is about 20 mph. It wasn't fast but agile.
I have to admit that I do not have a single source, but several lines of evidence point that way. With the overwhelming dominance of Allosaurus in the open, these large carnivores would have to have established their own niche somehow. Ceratosaurus and Torvosaurus have more flexible bodies than Allosaurus, which would have been an advantage in forests. Also, in the Morrison Formation, Ceratosaurus and Torvosaurus are found mainly in fluvial deposits, close to where there were gallery forests. You also get a higher proportion of Ceratosaurus and Torvosaurus compared to Allosaurus in the Lourinhã Formation, which was more forested than the Morrison Formation. I admit that this may seem circumstantial, but it fits in with a lot that I have read regarding niche partitioning in the Morrison Formation.
@@palaeo_channel Is there any source on Ceratosaurus and Torvosaurus being more common In fluvial deposits Outside their general descriptions? I'm pretty curious about your data. And if you’d like, we can talk about this more privately as well.
The source is a paleoenvironmental analysis on the Morrison Formation. There is a link in the description under Morrison Formation dinosaur zones. I am working on a video that will go into this in greater detail and be fully referenced.
(1st comment) When you mentioned here 18:06 that Ornitholestes, Stokesosaurus, and Coelurus could dine on young sauropods (including Camarasaurus), you do realize that David Lambert suggested in 1993 that Ornitholestes was probably a pack hunter that might have been able to take on ornithopods as big as a Camptosaurus, which is now considered unlikely for Ornitholestes. Also, I would theorize that taking down a young Camarasaurus would require extreme caution for an Ornitholestes, because young Camarasaurus would have been not just vulnerable to predation, but could have also been defensive, if not, dangerous to a single Ornitholestes, using its hind legs to kick it in the chest, which would have led to chest contusion to the smaller carnivore and could have been (if not) fatal. However, I want you to know that this is only speculative and not based on any scientific evidence to prove this fact. But more often than not, even this defense would have been ineffective against Ornitholestes as it would still be able to get pass the young sauropods' hind legs and successfully hunt it down. Speaking of Ornitholestes, I would suggest you making a dinosaur profile on it next after Triceratops, and if possible, even before or after Dilophosaurus, among others.
There would have been a time when young Camarasaurus would have been too big and strong for an Ornitholestes to take on, but hatchlings and the like would have been easy prey. I can’t really speak on when that watershed time was as I have not read that much about Ornitholestes.
@@palaeo_channel,you are right. I just made up this fact as pure speculation, rather than based on fossil evidence. My speculation is actually based on this timestamp 18:27, wherein a young Camarasaurus appears behind the silhouettes of Coelurus, Ornitholestes, and Stokesosaurus, standing beside the silhouette of a human (left). Also, regarding the weights of Camarasaurus, in 2016, Gregory S. Paul (the "frankensteiner of Deinonychus and Velociraptor", and the creator of Giraffatitan (initially Brachiosaurus brancai as you've stated in your Brachiosaurus video)) estimated the weight of C. supremus at 25.4 tons (23 metric tons), but a 2020 estimate by John Foster put it at a higher 46.6 tons (42.3 metric tons). Meanwhile, C. grandis was estimated by Paul at 13 tons, C. lentus at 15 tons, and C. lewisi at 10 tons.
