Crabeater seals (Lobodon carcinophaga) hauled out on ice floe in Neko Harbor near the Antarctic Peninsula, Antarctica, Polar Regions

Grey wolf in wetlands in Eastern Finland

Grey wolf in wetlands in Eastern Finland

Grizzly bear cub standing on a riverside in Canada

Young black rat (Rattus rattus) on bird feeder near a rural house, Auvergne, France. Other French name: Rat des greniers or Rat des champs

Young Black Rat (Rattus rattus) climbed in a viburnum near a rural house, Auvergne, France.

Barn Owl on a pole, Franche-Comté France

Stoat coming out of a hole in summer, GB

African savannah elephants (Loxodonta africana africana), the lion finally releases in front of the charge of the right elephant, South Luangwa NP, Zambia

Tawny Owl perched on a birch in autumn- GB

European Wolf (Canis lupus lupus) in the snow, Pyrenees, France

Barn Owl perched on a tree in autumn, GB

Alpine ibex (Capra ibex) overhanging, Ubaye, Alpes de Haute Provence, France

Lions (Panthera leo) between Oryx gazelles (Oryx gazella) and Springboks (Antidorcas marsupialis), Etosha National Park, Namibia

African savannah elephants (Loxodonta africana africana), the lion eventually stands up before the load of the right elephant, South Luangwa NP, Zambia

Leopard (Panthera pardus) observing a herd of greater kudu in Botswana's Savuti reserve.

Lion (Panthera leo) male in front of Gemsbok (Oryx gazella), Etosha National Park, Namibia

Alpine Marmot (Marmota marmota) standing on the grass on the mountain, Alps, Austria

Leopard (Panthera pardus) observing a herd of greater kudu in Botswana's Savuti reserve.

Cheetah in savanna, East Africa

Leopard observing Guinea fowl on tree, Botswana Okavango

Research assistant working on nitrogen exchanges between bacteria and the roots of legumes in the tropical forest of the "La Selva" research station in Puerto Viejo de Sarapiqui, Costa Rica

Grizzly bear cub sitting next to a stream in Canada