John Cancalosi / Timber rattlesnakes (Crotalus horridus) gravid females basking to bring young to term, Pennsylvania, USA.
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John Cancalosi / Timber rattlesnakes (Crotalus horridus) gravid females basking to bring young to term, Pennsylvania, USA.
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John Cancalosi / Timber rattlesnakes (Crotalus horridus) gravid females basking to bring young to term, Common gartersnake (Thamnophis sirtalis) also visible in the group. Pennsylvania, USA.
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John Cancalosi / Western Diamond-backed Rattlesnakes (Crotalus atrox) emerging from winter hibernation site, Sonoran desert, Arizona, USA March
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Roland Seitre / Banded Sea Krait (Laticauda saintgironsi) on beach, Amedee Islet / Ilot Amde, Noumea, South Province, New Caledonia.
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Roland Seitre / Banded Sea Krait (Laticauda saintgironsi) coiled up, Amedee Islet / Ilot Amde, Noumea, South Province, New Caledonia.
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Roland Seitre / Banded Sea Kraits (Laticauda saintgironsi) coiled up together, Amedee Islet / Ilot Amde, Noumea, South Province, New Caledonia.
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John Waters / Common European adder (Vipera berus) advancing and flicking tongue, Mendips AONB, Somerset, UK, March.
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John Waters / Common European adder (Vipera berus) curled up under a bush, Mendips AONB, Somerset, UK, March.
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Maxime Aliaga / Sunda island pitviper (Trimeresurus insularis) curled around a branch, Komodo island, Komodo National Park, Indonesia.
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Maxime Aliaga / Sunda island pitviper (Trimeresurus insularis) resting on a branch, Komodo island, Komodo National Park, Indonesia.
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Maxime Aliaga / Sunda island pitviper (Trimeresurus insularis) closeup, Komodo island, Komodo national park, Indonesia
