Luis Quinta / Grass snake (Natrix natrix) juvenile playing dead, Alvao, Portugal, April.
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Luis Quinta / Grass snake (Natrix natrix) swimming in river, Olo, Alvao, Portugal, June.
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Claudio Contreras / Checkered garter snake (Thamnophis marcianus) Laredo Borderlands, Texas, USA. April
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Juergen Freund / Banded sea kraits (Laticauda colubrina) around the roots of mangrove tree, split level. Mali Island, Macuata Province, Fiji, South Pacific.
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Nick Garbutt / Yellow Anaconda (Eunectes notaeus) in vegetation at the edge of the Paraguay River, Taiama Reserve, western Pantanal, Brazil, South America.
01459064
Franco Banfi / Green anaconda (Eunectes murinus) underwater, flicking tongue, Formoso River, Bonito, Mato Grosso do Sul, Brazil
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Franco Banfi / Green anaconda (Eunectes murinus) swimming inFormoso River, Bonito, Mato Grosso do Sul, Brazil
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Danny Green / Grass Snake (Natrix natrix) on lily pad, reflected in water. Leicestershire, UK, October.
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Sandesh Kadur / Large scaled pit viper (Trimeresurus macrolepis) head profile, water droplet below, Western Ghats, Southern India