A few nice types of animals images I found:
What is This?
Image by taminator
We couldn't figure out what type of animal this was.
This Cracked Me Up
Image by rooneg
From a exhibit about various different types of animals, if I recall correctly.
Creatures of the Night 2011
Image by USFWS Mountain Prairie
Children used keys to determine what type of animal bones they found in owl pellets in order to determine what kinds of creatures owls eat.
Credit: USFWS
