Fabio Pupin / Meadow viper, (Vipera ursinii), basking in alpine meadow, Apennines, Italy, September . Non-ex.

Fabio Pupin / Peringuey's desert adder, (Bitis peringueyi), sidewinding on dune, Namib desert, Namibia, February . Non-ex.

Pete Oxford / Eastern indigo snake (Drymarchon couperi) The Orianne Indigo Snake Preserve, Telfair County, Georgia, USA, threatened species, captive

Juergen Freund / Researchers Guido and Katja Westhoff with Little filesnake (Acrochordus granulatus) caught by spotlighting when the snake surfaces to take a breath. Although true sea snakes are venomous, this aquatic...

Danny Green / 2020VISION / Grass Snake (Natrix natrix) coiled, basking, Staffordshire, England, UK, April

Danny Green / 2020VISION / Grass Snake (Natrix natrix) portrait, Staffordshire, England, UK, April

Morley Read / Non-venomous Coral cylinder snake (Anilius scytale), showing colour mimicry of venomous coral snakes, Orelana Province, Ecuador. (non-ex)

Morley Read / Slow motion clip of a Fer de Lance (Bothrops atrox) smelling with its tongue, Orellana Province, Ecuador. (non-ex)

Morley Read / Fer de Lance (Bothrops atrox) on the rainforest floor, Orellana Province, Ecuador. (non-ex)

Fabio Pupin / Walser's viper, (Vipera walser), recently described new species, adult basking in habitat, Alps, Italy, June . Non-ex.

Fabio Pupin / Namaqua dwarf adder, (Bitis schneideri), Little Namaqualand, South Africa, February . Non-ex.

Fabio Pupin / Walser's viper, (Vipera walser), recently described new species, melanic individual basking in habitat, Alps, Italy, June . Non-ex.