River Chobe wildlife, elephants, Botswana

A mother polar bear (Ursus maritimus), and cub of the year feeding on a fin whale carcass in Holmabukta in the Svalbard Archipelago, Norway

Two mother polar bears (Ursus maritimus) with cubs of the year watch a male bear feeding on a fin whale carcass in Svalbard, Norway

Two mother polar bears (Ursus maritimus) with cubs of the year watch a male bear feeding on a fin whale carcass in Svalbard, Norway

Two mother polar bears (Ursus maritimus) with cubs of the year watch a male bear feeding on a fin whale carcass in Svalbard, Norway

Elephants (Loxodonta africana) sparring at sunset, Chobe National Park, Botswana, Africa

Adult king penguin (Aptenodytes patagonicus) in the act of feeding chick on South Georgia Island, Southern Ocean, Polar Regions

Pygmies waiting to go net hunting, Dzanga Sangha National Park, UNESCO, Central African Republic

Cyclist with child trailer, Lake Starnberg, Bavaria, Germany

Eric Jackson (top) and his son Dane Jackson run falls in the Dynamic Duo on the Caney Fork in Rock Island, TN.

Caracal (Caracal caracal) , Occurs in Africa and Asia, Young animals 9 weeks old, in the grass, Captive.

Caracal (Caracal caracal) , Occurs in Africa and Asia, Adult animal, Male, Jumping, Running, Captive.

Caracal (Caracal caracal) , Occurs in Africa and Asia, Young animals 9 weeks old, in the grass, Captive.