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

Espen Bergersen / Red fox (Vulpes vulpes) searching for lemmings buried in deep snow. Lapland, Finland, March.

Pal Hermansen / Graveyard with white crosses half buried in snow, Svalbard, Norway. March.

Markus Varesvuo / Grey Partridge (Perdix perdix) one buried in deep snow, Liminka, Finland, October

Markus Varesvuo / Grey Partridge (Grey Partridge) buried in thick snow, Liminka, Finland, February 2004

Alex Mustard / A portrait of an Atlantic stargazer (Uranoscopus scaber) buried in the sand waiting to ambush prey. This species can also use its hairy tongue as a lure. El Cabron, Gran Canaria, Canary Islands, Spain...

Juergen Freund / Whitemargin stargazer (Uranoscopus sulphureus) half hidden in the sand. Lembeh Strait, North Sulawesi, Indonesia

Christophe Courteau / 'Xamse', a young Kalahari bushman, drinking water from an ostrich's egg in the dry season, egg was buried underground during the rainy season, Kalahari Desert, Botswana, August 2008

Christophe Courteau / 'Xamse', a young Kalahari bushman, drinking water from an ostrich's egg in the dry season, egg was buried underground during the rainy season. Kalahari Desert, Botswana, August 2008

Solvin Zankl / These hatchlings of an Olive ridley sea turtle (Lepidochelys olivacea) should be buried and protected under 40 cm of warm sand, but a domestic dog dug them out at Ostional beach in Costa Rica. Novembe...

Edwin Giesbers / Horned viper {Cerastes cerastes} buried in sand, captive, from North Africa

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