And what about some of the more unusual animal adjectives:

anserine, hircine, vulpine, limacine -- courtesy of tsuwm

bombycine, didelphine, soricine, trochilidine, turdine -- courtesy of Bingley

They're all right there on the Animal Adjective thread on Animal Safari, a fun word thread to bring newcomers into.

Oh, and how about musteline?