A crow considers participating in a murder.
This member of an army of frogs is on guard duty.
Here we have a small charm of finches.
A bunch of ants are called a colony, clump or swarm. The correct term probably depends on the activity going on or type of ant being described. We know this for sure. Ants of the magic marker variety are called a drawing of ants.
This squirrel is on time out from his scurry.
A gang of turkeys looking for trouble. Such hoodlum turkeys are also known as a raft.
Ducks stand in a puddling.
A dole of doves sit on a rock.
This is not a knot of toads.
One walking stick short of a faggot. (OK. I made that one up.)