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| Extinct Animal Questions | |
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| Topic Started: Nov 26 2013, 10:24 PM (193,454 Views) | |
| Furka | Sep 29 2014, 05:23 AM Post #601 |
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Big Al watched too many movies and took them as real stuff. |
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| Ignacio | Sep 30 2014, 10:42 PM Post #602 |
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Ex Corrupt Staff
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Is there evidence of Velociraptor mongoliensis building its nests on the ground or is it possible that they build them over branches or tree stumps? |
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| Furka | Oct 1 2014, 04:32 AM Post #603 |
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Wouldn't it be a bit too heavy for that ? Long list of questions: - could large sauropods be dark coloured, or would that have caused them to overheat ? - those "spike"things seen on the back of some hadrosaurs reconstructions, do we have proof of them or are they ust speculative ? - could some pterosaurs behave like wading birds or herons, or the shape of their hands would make them sink in the mud ? |
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| stargatedalek | Oct 1 2014, 06:10 AM Post #604 |
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I'm not slow! That's just my moe!
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-can't say, but its not like large sauropods needed to worry about camouflage, so anything could be possible -we do indeed have evidence for them, in several preserved hadrosaur mummies -I doubt it, the wing membranes would probably make walking under water clumsy and very noisy, making it near impossible to sneak up on fish, we do have pterodaustro, which seems to have adopted a flamingo like feeding method, but thats not quite the same as catching fish |
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| Mathius Tyra | Oct 1 2014, 07:32 AM Post #605 |
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Rat snake is love... Rat snake is life
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Well, I have seen many paleo-artist draw Pterosaur that can hide its wing by folding the last finger to the point that it is hidden almost completely behind the arms. Is that possible? If it is, it can help explaining about the wading behavior in some pterosaurs. |
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| Jules | Oct 1 2014, 07:59 AM Post #606 |
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Mihi est imperare orbi universo
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Yes, this was the normal posture fro Pterosaurs The usual posture with the wing held outwards is wrong.
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| Mathius Tyra | Oct 1 2014, 08:14 AM Post #607 |
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Rat snake is love... Rat snake is life
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No, I already know that pterosaurs hold wings inward. There are just some case that their wings are holded back so much so that the wing plate that connect to the last finger is hidden behind the arm. Gah... It's kind if hard to explain. I will try to find the example picture when I get on my laptop. Edited by Mathius Tyra, Oct 1 2014, 08:15 AM.
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| Taurotragus | Oct 1 2014, 08:28 AM Post #608 |
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Could Hatzegopteryx fly or was it terrestrial? Because I've read several different things that said it could fly or the opposite. And what does an up to date Utahraptor reconstruction look like?
Edited by Taurotragus, Oct 1 2014, 08:29 AM.
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| stargatedalek | Oct 1 2014, 09:45 AM Post #609 |
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I'm not slow! That's just my moe!
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I was referring to the membrane connecting the wings to the legs most pterosaurs with longer legs are not believed to be coastal animals hatzegopteryx remains may be fragmentary, but it almost certainly could fly imagine a giant deinonychus with a slightly longer skull |
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| Jules | Oct 1 2014, 11:50 AM Post #610 |
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Mihi est imperare orbi universo
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All Pterosaurs could fly, some better than others I'd recommend reading Mark Witton's Pterosaur book.
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| Incinerox | Oct 1 2014, 12:58 PM Post #611 |
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Āeksiot Zaldrīzoti
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Just to be clear, this is NOT what Utahraptor looked like. In fact, Utahraptor was the EXACT OPPOSITE of what you've responded with. Deinonychus, while nowhere near as lightly constructed as other velociraptorines, was still a lightly built animal compared to dromaeosaurines. Particularly big dromaeosaurines like Achillobator and Utahraptor were absurdly robust for dromaeosaurids. What's more, there was a paper that was supposed to be released regarding new findings of Utahraptor, including some absolutely bizarre features including: 1) EXTREMELY robust legs. 2) An EXTREMELY robust torso. 3) A relatively short, stocky tail compared to other dromaeosaurids (it looks almost normal by theropod standards) 4) A short, robust skull. However, the lower jaw has front teeth which were angled FORWARD slightly, like a less exaggerated Masiakasaurus. 5) Proportionally smaller arms Actually, here's Emily Willoughby's take, based on a teaser silhouette of Hartman's skeletal that will accompany the paper when it's released:
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| stargatedalek | Oct 2 2014, 10:49 AM Post #612 |
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I'm not slow! That's just my moe!
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Yah that was my bad, oversimplifying things to far
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Oct 2 2014, 05:58 PM Post #613 |
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Is it true that if large sauropods laid down for long periods of time, their own weight could crush their internal organs?
Edited by Drax, Oct 2 2014, 05:58 PM.
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| CyborgIguana | Oct 3 2014, 04:50 PM Post #614 |
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I've never heard of such a study, but I doubt it. There's even an illustration by John Conway of a trio of Giraffatitan lying down in a mud pool, and he has a fairly good grasp on dinosaur anatomy and biomechanics AFAIK.
Edited by CyborgIguana, Oct 3 2014, 04:52 PM.
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| BossAggron | Oct 12 2014, 01:38 AM Post #615 |
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Formerly Dilophoraptor
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Do we happen to have the Evolution from Claw to Nail? |
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The usual posture with the wing held outwards is wrong.







