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

Pete Oxford / Puff Adder (Bitis arietans) near wetland, Marakele National Park, Limpopo, South Africa

Christophe Courteau / Peringuey's adder (Bitis peringueyi) buried in sand, flicking tongue, hunting, Namib Desert, Namibia.

Tony Phelps / Puff adder (Bitis arietans) moving into ambush position under a bush, DeHoop Nature Reserve, Western Cape, South Africa, January.

Ingo Arndt / Dwarf puff adder / Sidewinder snake crossing sand {Bitis peringueyi} Namibia

Daniel Heuclin / Rhinoceros viper (Bitis nasicornis), from Central Africa, captive, July.

Tui De Roy / Golden breasted puffleg (Eriocnemis mosquera) hummingbird Yanacocha Reserve, Jocotoco Foundation, 3,200m altitude on west slope of Pichincha Volcano, Andean cloud forest, West slope, Tropical Andes, E...

Pete Oxford / Snake charmer's Egyptian cobra (Naja haje) and African puff-adder (Bitis arietans arietans) Djemaa el-Fna (the square), Marrakech, Morocco, June 2009

Tony Phelps / Puff adder (Bitis arietans) juvenile amongst succulent plants in karoo habitat, Little Karoo, South Africa

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