Petra Wegner / Golden Retriever head portrait, lying in autumn leaves, panting

Mark Raycroft / Australian Shepherd (Canis familiaris) mother and puppy laying on grass

Mark Raycroft / Alaskan Malamute (Canis familiaris) adult laying in grass

Mark Raycroft / Alaskan Malamute (Canis familiaris) puppies laying on sled

Mark Raycroft / English Bulldog (Canis familiaris) puppy laying on grass with tennis balls, tired after playing

Richard Du Toit / Cheetah (Acinonyx jubatus) adult female laying in the grass with her three month old cubs, summer, Phinda Game Reserve, South Africa

Mitsuaki Iwago / African Lion (Panthera leo) cub laying on log with a scrap of tree bark in its mouth, Serengeti National Park, Tanzania

Heidi & Hans-Juergen Koch / American Alligator (Alligator mississippiensis) three large adults laying in shallow water, Florida

Michio Hoshino / Polar Bear (Ursus maritimus) laying on stomach, Churchill, Manitoba, Canada

Stefan Christmann / Emperor penguin (Aptenodytes forsteri) chick aged 20-24 weeks toboganning / sliding on ice whilst parents fish at sea. Atka Bay, Antarctica. January.

Pascal Kobeh / Divers on Palea Kameni wreck located in Santorini caldera with pieces of probably recent pottery laying on the bottom at the front of the ship, Santorini Island, Greece, Aegean Sea

Kirkendall-Spring / Woman Camper reading in tent above Island Lake, Wind River Range, Bridger Wilderness, Bridger National Forest, Wyoming, USA. September 2015. Model released.