close up portrait of american alligator head, jaws, teeth, scales and vertically elliptical pupil

alligator american basin basking billys bog caiman close conservation crocodile cypress dark elliptical end florida freshwater gator georgia habitat head jaws lake laying log marsh mississippiensis mouth national native okefenokee open park portrait pupil refuge river scales showing southeastern states suwannee swamp teeth united usa vertically west wetland wildlife