And a more general search term would be collateral adjectives.
We had a thread on this about a month ago:
I managed to find this website: http://www.angelfire.com/mo/dotila/trivia.html
which has a very extensive list. (Scroll down 3/4 of the page).
For example, anything related to sleeping would be soporific.
Hircine, however, applies specifically to the odiferous character of the animal, and thus is useful for the Insult Concealed. Another such word (though not strictly an animal adjective) is jumentous, “smelling like a stable.”