Nick Garbutt / Sumatran pit viper (Trimeresurus sumatranus) juvenile on tree trunk, in tropical rainforest. Danum Valley, Sabah, Borneo, Malaysia.
01555328
Daniel Heuclin / Sunda island pitviper (Trimeresurus insularis) in tree, Komodo Island.
01531775
Bence Mate / Western diamond-backed rattlesnake (Crotalus atrox) Texas, USA, April.
01542870
Ingo Arndt / Prairie rattlesnake (Crotalus viridis viridis), threat display, South Dakota, USA September. Sequence 1 of 3
01340034
Daniel Heuclin / Ventral view of Wagler's / Temple Pitviper (Tropidolaemus wagleri). Controlled conditions. Mindanao, Philippines, February.
01340032
Daniel Heuclin / Wagler's / Temple Pitviper (Tropidolaemus wagleri) climbing among branches. Controlled conditions. Mindanao, Philippines, February.
01340031
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.
01340029
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.
01633584
John Cancalosi / Timber rattlesnake (Crotalus horridus) females and newborn young at maternity site. Pennsylvania, USA. August.
01634541
Nick Garbutt / Sumatran pit viper (Trimeresurus sumatranus) juvenile on trunk. Danum Valley, Sabah, Borneo, Malaysia. Focus stacked image.
01630546
Daniel Heuclin / Western diamondback rattlesnake (Crotalus atrox) camouflaged amongst rocks, with rattle raised. Sonoran Desert, Arizona, USA. Controlled conditions. June 2019.
01630543
Daniel Heuclin / Western diamondback rattlesnake (Crotalus atrox), flicking tongue and with rattle raised, Arizona, USA. Controlled conditions.