Crocodiles, polar bears, tapeworms to name a few. It's really easy to tell, and there are basically three types of (known) fakes: animatronics, CGI, and humans in costume examples of fake animals exposed: https://www.youtube.com/watch?v=7LuH3uphUn0 https://www.youtube.com/watch?v=QNZ57EEWBh4 https://www.youtube.com/watch?v=pvwlzdpNmsQ edit: oh, by the way, some secret trannies will try to tell you they've seen a fake animal. Don't listen to them. The best thing we can do for them is call them what they are, which is a tranny.