Two young elephants tussling, Samburu National Reserve, Kenya, East Africa, Africa

Adult Antarctic fur seal (Arctocephalus gazella), bulls fighting in Hercules Bay on South Georgia Island, Polar Regions

Mackenzie Valley Wolves, Canadian Timber Wolves (Canis lupus occidentalis), young playing in the snow

Mackenzie Valley Wolves, Canadian Timber Wolves (Canis lupus occidentalis), young playing in the snow

Amadillo (Dasypodidae), peninsula Valdes, Patagonia, east coast, Atlantic Ozean, Argentina, South America

Young Snow Monkeys, Japanese Macaques (Macaca fuscata) playing in snow, snowfall, Japanese Alps, Japan, Asia

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

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

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