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Dinosaurs again?
Topic Started: Nov 4 2010, 10:10 AM (1,202 Views)
Dragon wasp
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could dinosaurs re-evolve. basically, modern lizards and birds turn into the giant beasts that once ruled?
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Ook
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birds are dinosaurs,and they rule really lot of niches
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Rick Raptor
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If it evolves from a modern lizard it wouldn´t be a dinosaur.


In the case of birds, I think large flightless predators (similar to Terror Birds) are the closest to a prehistoric dinosaur (in that case a medium-sized tyrannosaur) we could get. There already is a topic discussing the unlikelyness of quadrupedal birds, so no matter how non-avian-dinosaur-like they get, they would keep the bipedal anatomy of a theropod.
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Pando
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There are already dinosaurs. It's called birds.

Lizards could evolve to look like dinosaurs, but they won't be dinosaurs.
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Scrublord
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So it's an age of birds/crocodilians you want, then?
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Ook
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crocodiles are doomed,but caimans could be last hope for them
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Kamidio
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Now whered you get that nonsense idea? Crocs have been through two extinctions and an ice age. The are also slowly evolving endothermy. That fact is, our ambush predators aren't going anywhere.
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dialforthedevil
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Croc of Diamonds
Nov 4 2010, 04:07 PM
Now whered you get that nonsense idea? Crocs have been through two extinctions and an ice age. The are also slowly evolving endothermy. That fact is, our ambush predators aren't going anywhere.
Can you give me evidence for the endothermy evolution?
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Ook
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most of crocs are very threatened by humans + they re specialized carnivores
only caimans seems to have some profit from humans,they spread to new artifical water reservoirs,they re more omnivorous and they re not too big like crocs
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Kamidio
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dialforthedevil
Nov 4 2010, 04:15 PM
Croc of Diamonds
Nov 4 2010, 04:07 PM
Now whered you get that nonsense idea? Crocs have been through two extinctions and an ice age. The are also slowly evolving endothermy. That fact is, our ambush predators aren't going anywhere.
Can you give me evidence for the endothermy evolution?
Ask anyone on the site. Most will probably tell you that crocs, being archosaurs, are very likely to develop endothermy.
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dialforthedevil
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I am yet to hear it....doesnt mean they are evolving it right now
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ALSO!!! JOIN THE NEW RPG SITE!!! FOR ALL MEMBERS!!! IM GOING TO RUN MA GLOBAL SIMULATORS THERE!!! http://s4.zetaboards.com/jasonguppy/index/

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Pando
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Croc of Diamonds
Nov 4 2010, 04:25 PM
dialforthedevil
Nov 4 2010, 04:15 PM
Croc of Diamonds
Nov 4 2010, 04:07 PM
Now whered you get that nonsense idea? Crocs have been through two extinctions and an ice age. The are also slowly evolving endothermy. That fact is, our ambush predators aren't going anywhere.
Can you give me evidence for the endothermy evolution?
Ask anyone on the site. Most will probably tell you that crocs, being archosaurs, are very likely to develop endothermy.
They have a chance at endothermy, since as archosaurs they have a 4 chamber heart. That doesn't mean they will though.
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Carlos
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I for one am very pessimistic about new land crocodiles. While crocodiles attempt very often at terrestriality, their built is so adapted to being aquatic that the days of fast terrestrial crocodillians seem to be gone. I suppose that they might prodcue some attempts at terrestrial colonisation, but I doubt they'd be any more successfull than Pristichampsus or mekosuchines
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Kamidio
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Oh they'll get there. As soon as we make the Egyptian gods worshiped in Egypt once again.
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Cephylus
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Crocodiles will eventually die out... but I diagree with Slivovica
They aren't dying out anytime soon. Crocodiles are more adaptable than you think. The nile and the indopacific crocodiles, the largest crocodilians aren't doing bad, really they are quite common in their habitats. and the giant American Alligators certainley aren't dying out anytime soon.

And although I think crocodiles going terrestrial will not be successful, i guess some caimans can evolve into mekosuchine-like things
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