My one good idea...
... for a Far Side cartoon:
A sedan driving down the street, with a squirrel and a raccoon in the front seats. He's wearing a baseball cap and she has on horned-rim glasses, and there's a pair of young sprogs in the back seat -- maybe an opossum and a cat.
There's a couple of crumpled human corpses on the side of the road, squashed in the middle, with tire tracks running over them.