If this is not a hoax, it's certainly seems unlike anything that's know in the natural world. Look at those ears!
Mystery creature caught in Mexico (photo and video)
http://weirdworldnews.org/2011/06/08/mystery-creature-caught-in-mexico-photo-and-video/
Mystery creature caught in Mexico (photo and video)
http://weirdworldnews.org/2011/06/08/mystery-creature-caught-in-mexico-photo-and-video/