mostropedia open source bestiary
"The mission of Monstropedia is to create the ultimate online media library about monsters, gathering information and documents from the earliest myths onwards to the present day, developing a coherent set of methods to analyse each creature and attaching current theories about their existence."
"Monstropedia is the ultimate online encyclopedia of monsters in myth, magick and legend."
or at least off to a good start. this site is a wiki set up where users are the editors. needs more pictures, but there are some good ones already.