by Akash
Eastern Massasauga Rattlesnake: small (up to 4 ft), venomous, light brown with dark brown blotches
Timber Rattlesnake: large (up to 6 ft), venomous, light brown with dark brown blotches
Eastern Diamondback Rattlesnake: largest venomous snake in US (up to 8 ft), light brown with dark brown blotches
Pygmy Rattlesnake: smallest venomous snake in Alabama (up to 2 ft), light brown with dark brown blotches
Scarlet Kingsnake: non-venomous, slender, bright red or orange with black rings
Black Kingsnake: non-venomous, heavy-bodied, black with white or yellow rings
Milksnake: non-venomous, slender, light brown with dark brown blotches