Close up of Bighorn ram (ovis canadensis) with broomed (splintered) horn tips resulting from butting heads with other rams, Shoshone National Forest; Wyoming, United States of America PacificStock
Portrait of a female Gray Wolf (canis lupus) looking up, captive, Alaska Wildlife Conservation Center; Portage, Alaska, United States of America PacificStock
Two hippos (Hippopotamus amphibius) in a group in a lake, resting their heads on the back of another hippopotamus, green vegetation on the shore in the distance; Kenya PacificStock
Close up of a brown bear (ursus arctos) in the snow, captive at the Alaska Wildlife Conservation Center; Portage, Alaska, United States of America PacificStock
COMPOSITE: Two polar bears touching noses while one is wearing a santa hat, Churchill, Manitoba, Canada PacificStock
A dropped Iditarod sled dog howls at the Finger Lake checkpoint during the 2013 Iditarod, Southcentral Alaska PacificStock
Polar bear (ursus maritimus) walking through the snow and blizzard near Churchill; Manitoba, Canada PacificStock