Includes pictures and descriptions of sixteen snakes ranging from the Arizona Black Rattlesnake (Crotalus viridis cerberus) to the Western Diamondback Rattlesnake (Crotalus atrox). Also provides facts regarding how dangerous rattlesnakes are, what to do if bitten, and descriptions of the snakes' coil and strike positions, rattles, head shapes, and fangs.

Agkistrodon contortrix information.

Agkistrodon contortrix mokeson reproductive behavior and ecology in the wild.

Information about several desert viper species.

Sistrurus catenatus catenatus habitat and reproductive behavior in Ohio.

Detailed information on the biology of Sistrurus miliarius.

An analysis of the domain of rattlesnakes of Arizona as expressed by an expert. This model linguistics project is an ethnographic interview, not a zoological monograph.

Crotalus horridus information.

Site about vipers of the family Viperidae, concerning the genera Vipera, Macrovipera, Daboia, Cerastes, Pseudocerastes and Eristicophis.

Texas A and M University site on venomous snakes of the United States.