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

Bruno D'Amicis / Sand viper (Cerastes vipera) sidewinding on sand dunes. Grand Erg Oriental, Kebili Governorate. Tunisia.

Chris Mattison / Sidewinder (Crotalus cerstastes) in sand dunes, Anza-Borrego Desert State Park, California, USA, May.

Solvin Zankl / Dwarf puff adder / Peringueys Sidewinding Adder (Bitis peringueyi) moving over the loose sand in typical mode of locomotion, Namib desert, Namibia)

Solvin Zankl / Dwarf puff adder / Peringueys Sidewinding Adder (Bitis peringueyi) hidden in sand of Namib desert, Namibia

Solvin Zankl / Dwarf puff adder / Peringueys Sidewinding Adder (Bitis peringueyi) moving over the loose sand in typical mode of locomotion, Namib desert, Namibia

Solvin Zankl / Dwarf puff adder / Peringueys sidewinding adder (Bitis peringueyi) buried in sand with just eyes visible, Namib desert, Namibia

Solvin Zankl / Dwarf puff adder / Peringueys sidewinding adder (Bitis peringueyi) camouflaged against sand, Namib desert, Namibia

Michael & Patricia Fogden / Peringuey's Sidewinding Adder (Bitis peringueyi) sidewinding across sand dune, Namib Desert, Namibia

Michael & Patricia Fogden / Peringuey's Sidewinding Adder (Bitis peringueyi) on sand dune, Namib Desert, Namibia

Neil Lucas / Horned viper {Cerastes cerastes} gliding sidewinding on sand dune, Morocco.

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