Twenty-eight of those snakes are virtually harmless to people, but four are venomous: The Copperhead, the Timber Rattlesnake, the Cottonmouth and the Pygmy Rattlesnake. Here's what you need to ...

Timber Rattlesnake, Pygmy Rattlesnake, Harlequin Coralsnake and Texas Coralsnake. Out of these seven venomous snakes, “only ...