Michael D. Kern / South American rattlesnake (Crotalus durissus cumanensis) captive, from Venezuela and Colombia
01339907
Daniel Heuclin / Tropical Rattlesnake (Crotalus durissus) against a white background. Captive. Endemic to tropical America.
01339906
Daniel Heuclin / Tropical Rattlesnake (Crotalus durissus) against a white background. Captive. Endemic to tropical America.
01339905
Daniel Heuclin / Tropical Rattlesnake (Crotalus durissus) smelling the air with its forked tongue. Captive. Endemic to tropical America, June.
01339904
Daniel Heuclin / Tropical Rattlesnake (Crotalus durissus) smelling the air with its forked tongue. Captive. Endemic to tropical America, May.
01295718
Michael D. Kern / Brazilian rattlesnake (Crotalus durissus terrificus) captive, from South America
01287928
Luiz Claudio Marigo / Tropical rattlesnake (Crotalus durissus) Cerrado of Emas National Park, Mineiros, Brazil.
01180187
PREMAPHOTOS / Cascabel / Tropical rattlesnake {Crotalus durissus} at night in tropical dry forest, Costa Rica
01174110
Ken Preston-Mafham/PREMAPHOTOS / Tropical / Cascabel rattlesnake (Crotalus durissus) flicking out its tongue at night in tropical dry forest, Costa Rica. The pit with heat-seeking organs is clearly visible.
01174109
Ken Preston-Mafham/PREMAPHOTOS / Tropical / Cascabel rattlesnake (Crotalus durissus) flicking out its tongue at night in tropical dry forest, Costa Rica
01123861
LYNN M. STONE / Central american rattlesnake, {Crotalus durissus durissus} captive
01123860
LYNN M. STONE / Central american rattlesnake, in defensive strike pose {Crotalus durissus durissus} captive
01131363
Luiz Claudio Marigo / Tropical rattlesnake ready to strike {Crotalus durissus} Brazil
01131364
Luiz Claudio Marigo / Tropical rattlesnake ready to strike {Crotalus durissus} Brazil
