Hmmmm, you got

Grumpy as a bear

Silent as a mouse
Crafty as a raccoon
Foxy (cunning)
Foxy (attractive)
Dumb as sheep
Dumb as a goose
Proud as a lion
Sleek as a cat
Stealthy as a panther / cougar
Dirty as a pig
Wise as an owl
Fussy as a hen
Noisy as a room full of ducks
Cute as a bunny
Gentle as a lamb
Playing possum
Alligator tears
Busy as a bee

Nope, no wombats. Then again, there’s nothing about moose either.