A gaucho of the Estancia Bonanza with his horse and the Mount Fitz Roy in background, El Chalten, Argentina. (MR)

A gaucho of Estancia Bonanza on horseback with the Fitz Roy Mountain in the background, El Chalten, Argentina. (MR)

France, Pays de la Loire, Sarthe, Rouesse Vasse, grove, Red squirrel (Sciurus vulgaris)

France, Bourgogne-Franche-Comte, Doubs, Brognard, Natural area of Allan, European kingfisher (Alcedo atthis), young on the lookout on a branch

Ghost glass frog (Centrolenella ilex),mid elevation cloud forest, Arenal, Costa Rica

Emerald Glass Frog (Centrolene prosoblepon) Costa Rica

Emerald Glass Frog (Centrolene prosoblepon), mid elevation cloud forest, Bajos del Toro, Costa Rica

Red-eyed tree frog (Agalychnis callidryas) with natural bokeh, lowland rainforest, Boca Tapada, Costa Rica

Snowy owl (Bubo scandiacus), Ontario, Canada

Impala (Aepyceros melampus), Khwai, Botswana, Africa

Leopard (Panthera pardus), Savuti, Chobe National Park, Botswana, Africa

Southern elephant seal (Mirounga leonina) roaring, Sea Lion Island, Falkland Islands

Gelada Baboon (Theropithecus gelada) opening its mouth, Simien Mountains National Park, Ethiopia

Red Deer (Cervus elaphus), adult stag bellowing in moorland, Nationaal Park De Hoge Velwuwe, Gelderland, Netherlands

Eurasian Eagle Owl (Bubo Bubo) perched on the ground in a forest, Gelderland, the Netherlands

Snowy Owl (Bubo scandiacus) portrait, looking at camera

Common Redpoll (Carduelis flammea) resting on branch during snowfall, Kuusamo, Lappland, Finland

Mongolian Eagle hunter, Bayan-Olgii province, Mongolia, Asia

Brown Bear (Ursus arctos) with rainbow above forest, Suomussalmi, Karelia, Finland, Europe

France, Somme, Baie de Somme, Le Crotoy, The marsh of Crotoy welcomes each year a colony of Black-headed Gull (Chroicocephalus ridibundus - Black-headed Gull) which come to nest and reproduce on islan...

Kenya, Masai Mara Game Reserve, lion (Panthera leo), male

Indonesia, Borneo, Tanjung Puting National Park, Bornean orangutan (Pongo pygmaeus pygmaeus), Adult female alone

Indonesia, Borneo, Tanjung Puting National Park, Bornean orangutan (Pongo pygmaeus pygmaeus), Baby

Male bearded reedling (Panurus biarmicus) on reed, Naturpark Flusslandschaft Peenetal, Mecklenburg-Western Pomerania, Germany, Europe

European Stonechat (Saxicola rubicola), female, on Rapeseed (Brassica napus), Emsland, Lower Saxony, Germany, Europe

France, Doubs, bird, Great Spotted Woodpecker (Dendrocopos major)

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

Usa, Wyoming, Shell, The Hideout Ranch, Cowboy and Lasso Silhouette at Sunset (MR, PR)

India, Tamil Nadu state, Anaimalai Mountain Range (Nilgiri hills), Lion-tailed macaque (Macaca silenus), or the Wanderoo, The lion-tailed macaque ranks among the rarest and most threatened primates, a...

India, Rajasthan state, Nagaur, the Nagaur cattle fair is the largest fair of its kind in the country

China, Harbin, Siberian Tiger Park, Siberian Tiger (Panthera tgris altaica)

China, Sichuan province, Chengdu, Research Base of Giant Panda Breeding or Chengdu Panda Base, Giant Panda (Ailuropoda melanoleuca), captive

Banded Demoiselle (Calopteryx splendens) resting, England, Lincolnshire, Bassingham

Linnet (Carduelis cannabina) perched on Cottonwood (Populus sp) branch, Noord-Holland, The Netherlands

Red Deer (Cervus elaphus) adult buck and hinds silhouette walking in grassland during sunset, The Netherlands, Gelderland, Hoge Veluwe NP

European Hare (Lepus europaeus) portrait resting on meadow, The Netherlands, Gelderland, Arkemheen

Black-tailed Godwit (Limosa limosa) foraging on frozen meadow, The Netherlands, Gelderland, Arkemheen

Black-tailed Godwit (Limosa limosa) calling on a pole, The Netherlands, Gelderland, Arkemheen

Black-tailed Godwit (Limosa limosa) alarming flying, Arkemheen, Gelderland, The Netherlands

Red Kite (Milvus milvus) in grassland looking above, Germany, Eifel

Great Black Hawk (Buteogallus urubitinga) in overhead flight, Brazil, Mato Grosso, Pantanal

on Sanguisorba Minor (Sanguisorba sp), France, Boucieu le roi

Common kestrel (Falco tinnunculus) female hovering in blue sky, The Netherlands, Zuid-Holland, Zevenhuizen, Eendragtspolder

Hungary, Csongrad, Kiskunsagi National Park, Pusztaszer, Grey Heron (Ardea cinerea), close-up

Alcedo atthis, Common Kingfisher (male) fishing. Italy

Alcedo atthis, Common Kingfisher (male) fishing. Italy

Young African Bush Elephant (Loxodonta africana) in the savannah landscape, Serengeti, Tanzania, Africa

Berber with dromedaries, great sand dunes of Erg Chebbi, Sahara desert, near Merzouga, Morocco, Africa

Red Fox (Vulpes vulpes) standing on an alpine meadow, looking sideways, Tyrolean Unterland, Tyrol, Austria, Europe

Mountain gorilla, Bwindi Impenetrable National Park, Uganda

Kenya, Masai-Mara game reserve, wildebeest (Connochaetes taurinus), Migration, crossing the Mara river

Kenya, Masai-Mara game reserve, leopard (Panthera pardus)

Zhejiang province, East China, farmer working in rice paddy with oxen.

United States, Utah, Grizzly bear (Ursus arctos horribilis)

United States, Minnesota, Black bear(Ursus americanus), young in a tree