What is the difference between a crocodile and an alligator?

The alligator is a subspecies of the crocodile, part of the family Crocodylidae.

The alligator’s snout is rounded; the crocodile’s comes to a point.

Both prefer shallow, swampy water, but the crocodile is generally more aggressive than the alligator.

Incidentally, a crocodile, not an alligator, appears on the Izod Lacoste polo shirt.