Klein & Hubert / Male Cheetah (Acinonyx jubatus) sitting in high grass in shade of acacia tree in savanna, Kenya, Africa.

Klein & Hubert / African lioness (Panthera leo) with her cub in savanna, Kenya, Africa.

Klein & Hubert / Siberian / Amur tiger (Panthera tigris altaica) walking in snow at sunrise, captive, occurs Far East and Northeast China.

Klein & Hubert / Nile crocodile (Crocodylus niloticus) close up of jaw and teeth, Chobe River, Botswana, Africa.

Klein & Hubert / Cape buffalo (Syncerus caffer) with Yellow-billed oxpckers (Buphagus africanus) drinking at waterhole in dry season, South Luangwa National Park, Zambia, Africa.

Klein & Hubert / African elephant (Loxodonta africana) calf playing in savanna, Kenya, Africa.

Klein & Hubert / European ground squirrel / Souslik (Spermophius citellus) standing in a carpet of flowers of Stork's bill (Erodium cicutarium) and holding in his paws a Poppy (Papaver rhoeas) flower before eating it,...

Klein & Hubert / Common kestrel (Falco tinnunculus) three fledglings sitting on barn, France.

Klein & Hubert / Fat / Edible dormouse (Glis glis) on branch of flowering apple tree in spring, France. Controlled conditions

Klein & Hubert / European badger (Meles meles) running in pine forest in spring, France.

Klein & Hubert / Red fox (Vulpes vulpes) female near a kitchen garden in spring portrait,France.

Klein & Hubert / European wild boar (Sus scrofa) running and jumping in snow, Germany. Captive.

Klein & Hubert / Three European wild boars (Sus scrofa) running in snow in winter, Germany. Captive.

Klein & Hubert / African elephant (Loxodonta africana) herd crossing the Luangwa river, Luangwa National Park, Zambia

Klein & Hubert / Braunvieh cow in alpine meadow, trying to lick camera with tongue. Austria.

Klein & Hubert / Long eared jerboa (Euchoreutes naso) digging a burrow at night, Gobi desert at dawn. Mongolia

Klein & Hubert / Long eared jerboa (Euchoreutes naso), Gobi desert, portrait, Mongolia

Klein & Hubert / Long eared jerboa (Euchoreutes naso), Gobi desert, portrait, Mongolia

Klein & Hubert / Long eared jerboa (Euchoreutes naso) digging a burrow with teeth, Gobi desert, Mongolia

Klein & Hubert / Long eared jerboa (Euchoreutes naso) jumping, Gobi desert at dusk, Mongolia

Klein & Hubert / Long eared jerboa (Euchoreutes naso) jumping, Gobi desert, Mongolia

Klein & Hubert / Long eared jerboa (Euchoreutes naso) jumping, Gobi desert at dusk, Mongolia

Klein & Hubert / Long-eared jerboa (Euchoreutes naso) jumping, Gobi desert at dusk, Mongolia

Klein & Hubert / Long eared hedgehog (Hemiechinus auritus) walking on a dune bordering the Gobi desert at dusk, The dunes bordering the desert have at their bottom circular green patches rich in insects, Mongolia

Klein & Hubert / Long eared hedgehog (Hemiechinus auritus) walking on a dune bordering the Gobi desert at dusk, The dunes bordering the desert have at their bottom circular green patches rich in insects, Mongolia

Klein & Hubert / Long eared hedgehog (Hemiechinus auritus) walking, dunes bordering the Gobi desert. The dunes bordering the desert have at their bottom circular green patches rich in insects, Mongolia

Klein & Hubert / Harvest mouse (Micromys minutus) in cornfield with Poppies (Papaver rhoeas) in summer, France, Controlled conditions.

Klein & Hubert / Harvest mouse (Micromys minutus) in cornfield with Poppies (Papaver rhoeas) in summer, France, Controlled conditions.

Klein & Hubert / Harvest mouse (Micromys minutus) climbing between grass stems in summer, France, Controlled conditions.

Klein & Hubert / Harvest mouse (Micromys minutus) climbing between grass stems in summer, France, Controlled conditions.

Klein & Hubert / Young Eagle hunter (Berkutchi) with his Golden eagle (Aquila chrysaetos) portrait, Altai, Mongolia. Model released.

Klein & Hubert / Young Eagle hunter (Berkutchi) with his Golden eagle (Aquila chrysaetos) portrait, Altai, Mongolia. Model released.

Klein & Hubert / Kazakh eagle hunter (Berkutchi) on horseback with his Golden eagle (Aquila chrysaetos) Altai, Mongolia. Model released.

Klein & Hubert / Mule deer (Odocoileus hemionus) fawn, Wyoming, USA.

Klein & Hubert / Lion (Panthera leo) male portrait, South Africa.

Klein & Hubert / Lion (Panthera leo) male portrait, South Africa.

Klein & Hubert / Lion (Panthera leo) male portrait, South Africa.

Klein & Hubert / Mule deer (Odocoileus hemionus) fawn in summer, Wyoming, USA.

Klein & Hubert / Mule deer (Odocoileus hemionus) fawn in summer, Wyoming, USA.

Klein & Hubert / Long-eared jerboa (Euchoreutes naso) at sunrise. Gobi Desert, Mongolia.

Klein & Hubert / African lion (Panthera leo) portrait, South Africa

Klein & Hubert / Black / Melanistic Leopard (Panthera pardus) growling. Controlled conditions

Klein & Hubert / Grey wolf (Canis lupus) female and two cubs, one howling. Controlled conditions

Klein & Hubert / Mustang stallion kicking out after winning fight. Rocky Mountains, USA, June.

Klein & Hubert / Siberian tiger (Panthera tigris altaica) running in snow. Controlled conditions.

Klein & Hubert / Wild mustangs, bay foal lying in wild flowers, Rocky Mountains, USA. June.

Klein & Hubert / Grey wolves (Canis lupus) pair and juvenile greeting each other, USA. Controlled conditions

Klein & Hubert / Grey wolf (Canis lupus) two running in the snow, USA. Controlled conditions.