Guess the Poo

The following quiz comes from "Adventures in Ethics and Science", of all places.

For each of the following dung samples,

(1) what is the animal that produced it,

and

(2) what facts about the animal (in terms of its diet, digestive system, etc.) helped you identify it as the source of the pictured scat

Let's try an easy one first.

What is it about those scats that makes you think they come from an elephant?

Now use that same logic to identify the culprits of these beauties: