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| Extinct Animal Questions | |
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| Topic Started: Nov 26 2013, 10:24 PM (193,463 Views) | |
| Mathius Tyra | Jul 12 2014, 12:31 PM Post #466 |
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Rat snake is love... Rat snake is life
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Are there any sauropods confirmed to live in extremely cold climate? |
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| CyborgIguana | Jul 12 2014, 02:50 PM Post #467 |
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There's an unnamed titanosaur from Antarctica IIRC. |
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| trisdino | Jul 12 2014, 02:51 PM Post #468 |
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When was it from? Antarctica was not always freezing. |
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| CyborgIguana | Jul 12 2014, 02:53 PM Post #469 |
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It wasn't always freezing, but even during the Mesozoic it wasn't exactly tropical. The polar regions still had fairly cold winters back then. |
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| stargatedalek | Jul 12 2014, 03:59 PM Post #470 |
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I'm not slow! That's just my moe!
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it wasn't always even a polar region tho when it was it was comparable to Japan/New Zealand/Northern USA/Canada for climate tupandactylus using its crest to hit smaller pterosaurs not ramming them or something insane like that, but using it to try and block/bully them like a frigate bird -esq behavior Edited by stargatedalek, Jul 12 2014, 04:11 PM.
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| CyborgIguana | Jul 12 2014, 04:30 PM Post #471 |
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Well this titanosaur's remains were dated to the mid or late Cretaceous IIRC, during a time when Antarctica WAS a polar region and got to below freezing temperatures in the winters.
Edited by CyborgIguana, Jul 12 2014, 04:56 PM.
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| stargatedalek | Jul 12 2014, 06:04 PM Post #472 |
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I'm not slow! That's just my moe!
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would Antarctica have been large enough to warrant seasonal migrations to warmer regions? or would it have all been uniform? |
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Jul 12 2014, 08:51 PM Post #473 |
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I would say this would be unlikely, Tupandactylus and co. weren't exactly great fliers and had stubby wings, so if they tried to bully a smaller Pterosaur, it could more than likely just fly faster or dart out of the way. |
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| Rudyn | Jul 12 2014, 09:04 PM Post #474 |
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Antartic dinosaurus fossils: http://www.enchantedlearning.com/subjects/dinosaurs/dinofossils/locations/Antarctica.shtml If i am good: Here is the :Nodosaurid Ankylosaur is Antarctopelta and the Hypsilophodontid is: Trinisaura but somebody know what are this dinosauruses names: unnamed hadrosaur an unnamed iguanodontid and the unnamed Theropod or they still unnamed? |
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| SamtheMan | Jul 14 2014, 04:18 AM Post #475 |
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Thank you for your response Jurassic MT, that answer seems right to me too. Another question I came up with is in regards to how some predatory dinosaurs may have raised their young. I recently came across a documentary about harpy eagles (https://www.youtube.com/watch?v=WuA5yc3nHHM) and it is mentioned roughly between 53 - 54:10 minutes in that the eagle parents may have left the prey near the nest mostly untouched (in favor of prey further out in their territory) so that older chicks may observe these prey items while still being supported by the parents. Would it be possible for some predatory dinosaurs like tyrannosaurus, etc. to use similar techniques? Edited by SamtheMan, Jul 14 2014, 04:19 AM.
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Jul 14 2014, 05:18 AM Post #476 |
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Theoretically, could there be a dinosaur that actually spat a sort of blinding toxin, like the JP Dilo? |
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| Similis | Jul 14 2014, 06:02 AM Post #477 |
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Not in the way JP Dilophosaurus could. At most, I'd say it's possible that dinosaurs could secrete some form of substance if they have evolved required glands, but I'm not sure how strong could the substance be or how would they launch it. |
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| Furka | Jul 14 2014, 06:05 AM Post #478 |
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AFAIK modern archosaurs don't have much saliva, which it's what venom evolved from. But I can easily see some dinosaurs spitting Puke on an attacker as a defense, like some modern birds. |
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Jul 14 2014, 06:08 AM Post #479 |
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Here's an idea: A predator, like Dilophosaurus, having a throat pouch that allows them to store materials (puke, rotting carrion, your pick) to either repel competition, or perhaps to mark their territory, like the way wolves do with urine. |
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| Mathius Tyra | Jul 14 2014, 06:48 AM Post #480 |
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Rat snake is love... Rat snake is life
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Talk about urine... Do you think dinosaurs urinate in the form of liquid or solid? Many birds today has solid form of urine, except ratites like ostrich which do it in liquid form. |
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