Viperidae

• Crotalus
• Rattlesnakes@

• Kids and Teens: Science and Math: Science: Living Things: Animals: Reptiles and Amphibians: Reptiles: Lizards and Snakes: Vipers and Relatives 

• Copperhead  - Contains introductory information. With pictures and links to related sites.
• Cottonmouth (Water Moccasin) Agkistrodon piscivorus  - Provides information on features. With photos, maps and links.
• The Current Taxonomic Status of Crotalus and Sistrurus  - Article explains taxonomic research, changes, and genera differences. Lists accepted forms.
• Forestry Commission: Adder (Vipera berus)  - Description of the adder, the only venomous snake native to Britain. Includes habitat, breeding, diet, and identification.
• Gaboon Viper  - Presents information on characteristics. With photos and links.
• Gaboon Viper, Bitis gabonica  - Features physical description, habitat and range. With photos.
• Green Bush Viper, Atheris squamiger  - Contains data on size, habitat and range. With pictures.
• Moccasin  - Provides information on distinguishing features. With links and pictures.
• Nitsche's Bush Viper, Atheris nitschei  - Presents data on physical description, feeding, size, habitat and range. With pictures.
• Pygmy Rattlesnake  - Contains information on distinguishing features. With photos and links.
• Reptile Knowledge: The Viperidae Family of Snakes  - Common traits of the family of venomous snakes often known as vipers. Includes a list of well known snakes under their common names.
• Rhinoceros Horned Viper, Bitis nasicornis  - Presents data on behavior, feeding, size, habitat and range. With pictures.
• Snakes of Georgia and South Carolina Copperhead  - Contains introductory information. With pictures, maps and links.
• Viper  - Contains basic information. With pictures and links to related sites.