860-292004 - African savanna elephants (Loxodonta africana) at waterhole, near Namutoni, Etosha National Park, Namibia

1116-52838 - Panorama of African bush elephants (Loxodonta africana) standing in the water playing with each other with their trunks and tusks, face to face, in Chobe National Park, Chobe, North-West, Botswana

1200-522 - Eurasian brown bear (Ursus arctos arctos) sub-adults play fighting in cotton grass meadow, Finland, Europe

860-291553 - Eastern moose (Alces americanus) males confront each other on a snowy forest track after the rutting season. A friendly fight that allows the dominant male to consolidate his stature. Parc de la Gaspesie. Quebec. Canada

832-400212 - Musician playing a rudimentary percursion instrument called atabaque during afro-brazilian capoeira cultural manifestation, Brasil

832-400185 - Musicians playing an Afro Brazilian percussion musical instrument called a berimbau during a capoeira performance in the streets of Brazil, Brasil

860-291072 - Two White rhinoceros (Ceratotherium simum) are fighting with each other. Kenya. Nakuru National Park. Africa.

860-291073 - Two White rhinoceros (Ceratotherium simum) are fighting with each other. Kenya. Nakuru National Park. Africa.

860-290596 - African elephant (Loxodonta africana) fighting in the dust, Etosha National Park, Namibia

860-290800 - African elephant (Loxodonta africana) facing at Okaukuejo waterhole at sunset, Etosha National Park, Namibia

1350-5321 - Kittens play at home

1116-46459 - Brown Bear (Ursus Arctos) And Cub Playing, Katmai National Park, Alaska, United States Of America

1116-46383 - Brown Bears (Ursus Arctos) Captive In Alaska Wildlife Conservation Center, South-Central Alaska, Portage, Alaska, United States Of America

1116-46507 - Brown Bear (Ursus Arctos) Cubs Playing In A Grass Field

1116-46676 - Young Bull Moose (Alces Alces) Play-Fighting On The Coastal Trail In Kincaid Park, Rutting Season, Autumn, Anchorage, Alaska, United States Of America

860-288598 - Red fox (Vulpes vulpes) young playing in afternoon, Slovakia

860-288020 - Hippopotamus (Hippopotamus amphibius) are playing to fight , Kenya , Masaï Mara, National Reserve

860-288633 - Young Arctic Foxes (Alopex Lagopus) playing, Jameson Land, Northeast Greenland

860-288625 - Young Arctic Foxes (Alopex Lagopus) playing, Jameson Land, Northeast Greenland

860-288240 - Grizzly bear (Ursus arctos horribilis) two subadults play-fighting in river, Brooks River, Katmai National Park, Alaska, USA

860-288617 - Young Arctic Foxes (Alopex Lagopus) playing, Jameson Land, Northeast Greenland

860-288599 - Red fox (Vulpes vulpes) young playing in afternoon, Slovakia

860-288629 - Young Arctic Foxes (Alopex Lagopus) playing, Jameson Land, Northeast Greenland

860-288115 - Red fox (Vulpes vulpes) cubs fighting, England

860-288256 - Alpine marmot ( Marmota marmota), three subadult play fighting, National Park Hohe Tauern, Austria

860-288214 - Red fox (Vulpes vulpes) cub fighting, England

860-288114 - Red fox (Vulpes vulpes) cubs fighting, England

860-288024 - Hippopotamus (Hippopotamus amphibius) are playing to fight at dusk , Kenya , Masaï Mara, National Reserve

860-287931 - Bear cubs (Ursus arctos) playing, in a bog and coton grass, near a forest of Suomussalmi, Finland

860-287933 - Bear cubs (Ursus arctos) playing, in a bog and coton grass, near a forest of Suomussalmi, Finland

860-287932 - Bear cubs (Ursus arctos) playing, in a bog and coton grass, near a forest of Suomussalmi, Finland

1116-44925 - Brown Bears (Ursus Arctic) Play Fighting, Alaska, United States Of America

860-287747 - Red deer (Cervus elaphus) stag play fighting in the snow, England

1174-4977 - A leopard mother, Panthera pardus, and her cub, stand on their hind legs as they play fight, trees in the background, Londolozi Game Reserve, Sabi Sands, Greater Kruger National Park, South Africa

1116-41847 - Polar bears (ursus maritimus) play fighting along the shores of hudson's bay, Churchill manitoba canada

1116-41846 - Polar bears (ursus maritimus) play fighting along the shores of hudson's bay, Churchill manitoba canada

1116-41845 - Polar bears (ursus maritimus) play fighting along the shores of hudson's bay, Churchill manitoba canada

832-382329 - Two elephants playfully fighting, African Elephant (Loxodonta africana), Etosha National Park, Tsumcor waterhole, Namibia, Africa

832-381335 - Two elephants playfully fighting, African Elephant (Loxodonta africana), Etosha National Park, Tsumcor waterhole, Namibia, Africa

832-382142 - Two elephants playfully fighting, African Elephant (Loxodonta africana), Etosha National Park, Tsumcor waterhole, Namibia, Africa

1116-41081 - Coyote Puppies Wrestling (Canis Latrans), Idaho, Usa

1200-79 - European Brown Bear (Ursus arctos arctos) sub-adults, play fighting on swamp, Suomussalmi, Finland, Europe

860-283031 - Polar bears playing on the ice, Barter Island Alaska

860-285694 - Proboscis Monkeys playing, Labuk Bay Sabah Borneo Malaysia

860-283138 - Polar Bears playing in the snow, Barter Island Alaska

860-283033 - Polar bears playing on the ice, Barter Island Alaska

860-283073 - Polar bears playing on snow, Barter Island Alaska

860-283736 - Eurasian wild boar young playing, France

860-283139 - Polar bear playing in the snow, Barter Island Alaska

860-283076 - Polar bears playing on snow, Barter Island Alaska

860-283075 - Polar bears playing on snow, Barter Island Alaska

860-283081 - Polar bears playing in water, Barter Island Alaska

860-283080 - Polar bears playing in water, Barter Island Alaska

860-283032 - Polar bears playing on the ice, Barter Island Alaska

860-285172 - Spanish Ibex playing on a rock, Spain

860-283078 - Polar bears playing on shore, Barter Island Alaska

860-286507 - Polar bear cubs playing in the snow, Barter Island Alaska

860-286508 - Polar bear cubs playing in the snow, Barter Island Alaska

860-283030 - Polar bears playing on the ice, Barter Island Alaska

860-283074 - Polar bears playing on snow, Barter Island Alaska

860-283027 - Polar bears playing on the ice, Barter Island Alaska

860-283029 - Polar bears playing on the ice, Barter Island Alaska

832-374427 - Two young polar bears (Ursus maritimus) play fighting with each other, Kaktovik, North Slope region, Beaufort Sea, Alaska, America

832-288692 - Folk in battle, historical medieval city parade, in Canellis, LÂ¥assedio di Canelli, Canelli, Asti Province, Piemont, Italy

832-288694 - Folk in battle, historical medieval city parade, in Canellis, LÂ¥assedio di Canelli, Canelli, Asti Province, Piemont, Italy

869-1024 - polar bear 02 play fighting behavior in snow

832-175870 - Several hundred citizens of Berlin use the snow for a snowball fight "Kreuzberg vs. Neukoelln", that has been organised on the internet, Goerlitzer Park, Berlin, Germany, Europe

832-175868 - Several hundred citizens of Berlin use the snow for a snowball fight "Kreuzberg vs. Neukoelln", that has been organised on the internet, Goerlitzer Park, Berlin, Germany, Europe

1113-43689 - Young Brown Bears playing in water, Ursus arctos, Bavarian Forest National Park, Bavaria, Lower Bavaria, Germany, Europe

1190-164 - Red fox, vulpes vulpes. Two cubs play-fighting - standing on ther hind legs; summer .

1190-165 - Red fox, vulpes vulpes. Two cubs play-fighting. Summer .

1190-172 - Red fox, vulpes vulpes. Two cubs play-fighting. Summer .

930-14 - Two Bottlenose dolphins (Tursiops truncatus truncatus) play fighting with the head of one and tail of the other showing at the surface. Moray Firth, Scotland (RR)

930-8 - Bottlenose dolphins (Tursiops truncatus truncatus) play fighting with the tail of one and head of the other, together at the surface. Moray Firth, Scotland

1036-67 - Hectors dolphins (Cephalorhynchus hectori) leaping at dawn. Possibly males trying to out compete each other by jumping the highest instead of fighting. Akaroa, New Zealand

975-37 - An IDP camp (internally displaced people) in Amuru district of Northern Uganda has been created to accommodate the mass of Ugandan refugees fleeing the LRA (Lords Resistance Army) who are fighting the Ugandan government and its people. Here a young child has found a stick to play with. Amuru, Uganda, East Africa

979-3046 - Adult male Galapagos fur seals (Arctocephalus galapagoensis) mock-fighting on lava flow of Santiago Island in the Galapagos Island Archipelago, Ecuador

979-3048 - Adult male Galapagos fur seals (Arctocephalus galapagoensis) mock-fighting on lava flow of Santiago Island in the Galapagos Island Archipelago, Ecuador

979-3049 - Adult male Galapagos fur seals (Arctocephalus galapagoensis) mock-fighting on lava flow of Santiago Island in the Galapagos Island Archipelago, Ecuador

979-3047 - Adult male Galapagos fur seals (Arctocephalus galapagoensis) mock-fighting on lava flow of Santiago Island in the Galapagos Island Archipelago, Ecuador

979-3043 - Adult male Galapagos fur seals (Arctocephalus galapagoensis) mock-fighting on lava flow of Santiago Island in the Galapagos Island Archipelago, Ecuador

979-6932 - Brown bear cubs (Ursus arctos) playing and mock fighting on the beach near the Brooks River in Katmai National Park near Bristol Bay, Alaska, USA. Pacific Ocean

979-3042 - Adult male Galapagos fur seals (Arctocephalus galapagoensis) mock-fighting on lava flow of Santiago Island in the Galapagos Island Archipelago, Ecuador

979-3051 - Adult male Galapagos fur seals (Arctocephalus galapagoensis) mock-fighting on lava flow of Santiago Island in the Galapagos Island Archipelago, Ecuador

979-3044 - Adult male Galapagos fur seals (Arctocephalus galapagoensis) mock-fighting on lava flow of Santiago Island in the Galapagos Island Archipelago, Ecuador

979-6930 - Brown bear cubs (Ursus arctos) playing and mock fighting on the beach near the Brooks River in Katmai National Park near Bristol Bay, Alaska, USA. Pacific Ocean

979-6933 - Brown bear cubs (Ursus arctos) playing and mock fighting on the beach near the Brooks River in Katmai National Park near Bristol Bay, Alaska, USA. Pacific Ocean

832-486 - Mackenzie Valley, Canadian - or Alaskan Timber Wolves (Canis lupus occidentalis) playing, fighting at a zoo in Germany, Europe

832-27117 - Polar bears (Ursus maritimus), playful fight, Hudson Bay, Canada, North America

832-14641 - Fighting, playing wolves, cub, Mackenzie Wolf, Alaskan Tundra Wolf or Canadian Timber Wolf (Canis lupus occidentalis) in the snow

832-10912 - Meerkat (Suricata suricatta)

832-1597 - Lion (Panthera leo), playing cubs, Masia Mara, national park, Kenya, East Africa

817-183975 - Grizzli bear cubs play fighting (Ursus arctos horribilis), Brooks river, Katmai National Park, Alaska, USA

817-176425 - Two young marmots fighting playful (Marmota marmota), Hohe Tauern, Austria

817-184011 - Polar bears play fighting (Ursus maritimus), Churchill, Manitoba, Canada

817-183855 - Polar bears play fighting (Ursus maritimus), Churchill, Manitoba, Canada

817-184013 - Polar bears play fighting (Ursus maritimus), Churchill, Manitoba, Canada

817-106368 - Grey Seal (Grypus halichoerus) two sub-adults play fighting in surf, North Lincolnshire, UK, November 2005.

817-64288 - Wild Horses of Camargue fighting, Camargue, Southern France

817-8482 - Polar Bears (Ursus maritimus)