- Arabian Horned Viper (Cerastes gasperettii)
- ARKive.org features images, facts, status, range, habitat, diet, behavior, threats, and conservation.
- Common Lancehead (Bothrops atrox)
- Reports range, habitat, description, reproduction, behavior, food habits, and status. Includes pictures.
- Family Viperidae (Vipers and Pit Vipers)
- Includes appearance, distribution, habitat, food, behavior, reproduction, venom, and list of genera.
- Viperidae
- Contains taxa, genera, species account, distribution, pictures, morphology, and related sites.
- Vipers and Pitvipers: Viperidae
- Lists physical characteristics, habitat, diet, behavior, reproduction, and interaction with people.
- The World Of Atheris
- Offers list of species with description, etymology, distribution, common names, habitat, and behavior.
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