Mark Taylor / Tabby kittens, Stanley and Fosset, 12 weeks, lounging together.

Norbert Wu / Small-toothed Rock Hyrax (Heterohyrax brucei) group lounging around pool at Mara Serena lodge, closest living relative of the Elephant, feet possess hoof-like nails, Kenya

Thomas Mangelsen / Polar Bear (Ursus maritimus) mother resting with cub in snow, Churchill, Manitoba, Canada

Thomas Mangelsen / Polar Bear (Ursus maritimus) sitting up, Churchill, Manitoba, Canada

Thomas Mangelsen / Bengal Tiger (Panthera tigris tigris) resting on log, Bandhavgarh National Park, Madhya Pradesh, India

Tui De Roy / Southern Elephant Seal (Mirounga leonina) juveniles lounging in tussock grass, Sea Lion Island, Falkland Islands

Mitsuaki Iwago / Red Kangaroo (Macropus rufus) male lounging, Australia

Mitsuaki Iwago / Red Kangaroo (Macropus rufus) male resting, Australia

Michio Hoshino / Polar Bear (Ursus maritimus) trio loafing, Churchill, Manitoba, Canada

Michio Hoshino / Polar Bear (Ursus maritimus) trio loafing in snow, Churchill, Manitoba, Canada

Felis Images / Leopard (Panthera pardus) lounging in tree. Nagarhole National Park, India. Photo Phillip Ross/Felis Images

Suzi Eszterhas / Cotton-top tamarin (Saguinus oedipus), adult lounging in tree with two week old twin babies on back. Northern Colombia.