Board Thread:Movie discussion/@comment-26923065-20151125211159/@comment-25238001-20151126204513

Scholarpower wrote: These are animals that I found that had opposable thumbs:

Orangutans

Gorillas

Chimpanzees

Lesser Apes

Old World Monkeys

Cebid Apes

Koala

Opossum

Giant Panda

Aye-Aye

Bonobo

Phyllomedusa Frogs

These are the dinosaurs that I found that had opposable thumbs:

Troodon

Bambiraptor

It could be any one of these animals/dinosaurs, but there seems to be more mammals with opposable thumbs than dinosaurs and other animals.

(Link) So the most likely candidates are the Troodon and Bambiraptor, then. I'm pretty sure it's impossible to genetically splice mamalls and reptiles, although these dinos whould've been more avian....