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Photos: Stock
Herpetological publication links (PDF):

Ashton & Queiroz. 2001. Molecular systematics of the western rattlesnake, Crotalus viridis (Viperidae)... Mol. Phylogen. Evol. 21(2): 176-89.

Cheatwood, et al. 2003. An outbreak of fungal dermatitis and stomatitis in a free-ranging population of pigmy rattlesnakes (Sistrurus miliarius barbouri) in Florida. J Wildlife Diseases 39(2): 329-337.

Gibbons & Dorcas. 2002. Defensive behavior of cottonmouths (Agkistrodon piscivorus) toward Humans. Copeia 2002(1): 195-8.

Mackessy, et al. 2003. Ontogenetic variation in venom composition and diet of Crotalus oreganus concolor: a case of venom paedomorphosis? Copeia 2003(4): 769-82.

Martins, et al. Ecological and phylogenetic correlates of feeding habits in neotropical pitvipers of the genus Bothrops. from Biology of the Vipers.

Pook, et al. 2000. Historical biogeography of the western rattlesnake... Mol. Phylogen. Evol. 15(2): 269-82.

Roth. 2003. 'Handedness' in snakes? Lateralization of coiling behavior in a cottonmouth, Agkistrodon piscivorus leucostoma, population. Animal Behaviour 66: 337-41.

Sun, et al. 2001. Biotic and abiotic influences on activity patterns of insular pit-vipers (Gloydius shedaoensis, Viperidae) from north-eastern China. Biol. Cons. 97: 387-98.

Vincent, et al. 2004. Ontogeny of intersexual head shape and prey selection in the pitviper Agkistrodon piscivorus. Biol. J Linn. Soc. 81: 151-9.

Young & Aguiar. 2002. Response of western diamondback rattlesnakes Crotalus atrox to airborne sounds. J Exp. Biol. 205: 3087-92.