crotalus horridus - timber rattlesnake -

animal atrox attach basking big brown california camouflaged coil coiled crotalus danger dangerous dead desert diamonback eastern eye fangs forest hibernacula hibernate horridus illegal leaves lutosus natural nature nevada oreganus pattern poisonous pupil ratlesnake rattle rattlesnake reptile scary snake states strike striking timber tongue united usa venom venomous western wild wildlife