Rolf Nussbaumer / RF- Western Diamondback Rattlesnake (Crotalus atrox), adult in striking pose with rattle raised, in wildflowers. Laredo, Webb County, South Texas, USA. April. (This image may be licensed either as rig...
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Daniel Heuclin / Portrait of Wagler's / Temple Pitviper (Tropidolaemus wagleri) showing the thermo-receptive pit organ between the eye and mouth. Controlled conditions. Mindanao, Philippines, February.
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Daniel Heuclin / Portrait of Wagler's / Temple Pitviper (Tropidolaemus wagleri) showing the thermo-receptive pit organ between the eye and mouth. Controlled conditions. Mindanao, Philippines, February.
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Tim Laman / Wagler's / Temple pit viper (Tropidolaemus wagleri) in lowland rainforest, Gunung Palung National Park, Borneo, West Kalimantan, Indonesia