Mouflons (Ovis musimon) standing in the forest during snowfall, Veluwe, Gelderland, The Netherlands

African Lion (Panthera leo) male lying on a rock and looking straight in the camera, Nkomazi, Mpumalanga, South Africa

Eurasian Lynx (Lynx lynx) walking in the snow, Montana, United States

Cougar (Puma concolor) in the snow, Montana, United States

Moose (Alces alces) bull drinking from tundra pond, Denali National Park and Preserve, Alaska, United States

New Zealand Sea Lion male (Phocarctos hookeri) yawning, Surat Bay, New Heaven, The Catlins, New Zealand

Leopard (Panthera pardus) at night lying in the tree at night, South Luangwa National Park, Zambia

Kenya, Amboseli, Kajidado County. African elephants cross open plains at Amboseli National Park with a rainbow in the background.

Kenya, Masai Mara, Narok County. Masai giraffes shade themselves under a Balanities tree on the plains of Masai mara.

a pack of Walrus (Odobenus rosmarus) depicted in Northern Spitsbergen, Svalbard Islands

France, Pas-de-Calais (62), Cote d'Opale, Baie d'Authie, Berck-sur-mer, Common seal, or sea calf (Phoca vitulina) on sandbanks at low tide

France, Normandy, Manche, Cotentin, Cherbourg, La Cite de la Mer (City of the Sea), reconstruction of a Caribbean monk seal (Monachus tropicalis), a species that disappeared in 1950

Cheetah, Serengeti National Park, Tanzania, Africa,

Cheetah, Serengeti National Park, Tanzania

Two Cheetah on a termite mound, Serengeti National Park, Tanzania

Male Lion, Serengeti National Park, Tanzania, Africa

Lion cubs, Maasai Mara, Kenya, Africa

two young Cheetah in Maasai Mara Game Reserve, Kenya, Africa

Lion cubs playing, Maasai Mara, Kenya, Africa

A bedouin man leads camels across sand dunes, Wahiba sands, Oman

Kenya, Amboseli, Kajiado County. Two bull elephants spar for dominance.

Zambia, Kafue National Park, Busanga Plains. A herd of elephants moving through dry, dusty terrain in the late afternoon

Zambia, Kafue National Park, Busanga Plains. A herd of elephants led by a matriarch on the move in the late afternoon

Friesian galloping, summer, Austria, Europe

Africa, Namibia, Etosha National park. Elephants at the waterhole of Okaukuejo.

Hanoverian horse, Sorrel, brown, reddish fur, galloping in the snow, Tyrol, Austria, Europe

Two young calves (Bos primigenius taurus) standing inquisitively on an alpine pasture, Upper Bavaria, Bavaria, Germany, Europe

Arabian horse, mare galloping in deep snow, Tyrol, Austria, Europe

Kenya, Narok County, Maasai Mara National Reserve. Lionesses waling along a game trail to cover early in the morning

Kenya, Narok County, Maasai Mara National Reserve. A pride male alert for the sign of other members of his pride early in the morning

Kenya, Narok County, Maasai Mara National Reserve. A pride male alert for the sign of other members of his pride early in the morning

Kenya, Maasai Mara National Game Reserve. Male lion checking for other members of his pride in the early morning.

Lioness resting on a log

Kenya, Maasai Mara National Reserve, Maasailand, Narok County, Musiara Marsh. A male lion resting

Kenya, Maasai Mara National Reserve, Maasailand, Narok County, Musiara Marsh. A four-month-old cub resting early in the morning in Musiara Marsh.

Kenya, Maasai Mara National Reserve, Maasailand, Narok County, Musiara Marsh. A male lion being greeted by a young cub early in the morning at Musiara Marsh