This is only the beginning ...
http://en.wikipedia.org/wiki/List_of_collective_nouns
congregation of alligators
shrewdness of apes
flange of baboons
sounder of boars
cheat of bursars
drunkenship of cobblers
gulp of cormorants
It all started when I was researching Van Gogh's Wheat Fields With Crows and read about the collective noun "murder of crows."
CoCo