Danny Green / Hazel Dormouse (Muscardinus avellanarius) hibernating amongst leaves and acorns. Captive. Leicestershire, UK, October.
John Chan / Anna's Hummingbird (Calypte anna) chick, sleeping in nest, Southern California, USA, March.
Nick Hawkins / Galapagos sea lion (Zalophus wollebaeki), three resting underneath school bus. Isabela Island, Galapagos. 2017.
Andy Rouse / Jaguars (Panthera onca) on riverbank , Pantanal, Brazil
Andy Rouse / Jaguar (Panthera onca) resting against tree on riverbank, Pantanal, Brazil
Philippe Clement / Pair of Roe deer (Capreolus capreolus) resting and grazing in forest in summer, France, September.
Philippe Clement / Northern gannets (Morus bassanus) sitting on nests made with plastic, Hermaness NNR, Unst, Shetland Islands, Scotland, UK, May.
Tui De Roy / Alcedo giant tortoise (Chelonoidis vandenburghi) group resting in pool, Alcedo Volcano, Isabela Island, Galapagos
Tui De Roy / Alcedo giant tortoise (Chelonoidis vandenburghi) group resting in water at night, Alcedo Volcano, Isabela Island, Galapagos
Luke Massey / Giant otter (Pteronura brasiliensis) resting on a fallen tree in the Rio Cuiaba, Brazil
Christophe Courteau / Mountain gorilla (Gorilla beringei beringei) silverback sitting on boundary wall between Volcanoes National Park and a Potato crop, looking into valley. Area to be restored to forest. Rwanda.
Danny Green / Sea otter (Enhydra lutris) resting on sea ice, Alaska, USA, June
Danny Green / Sea otter (Enhydra lutris) resting amongst sea ice, Alaska, USA, June
Danny Green / Sea otters (Enhydra lutris) resting on ice, Alaska, USA, June
David Fleetham / Whitetip reef shark (Triaenodon obesus) resting on sea floor. Kauai, Hawaii.
Klein & Hubert / Harp seal (Pagophilus groenlandicus) pup sleeping on ice, Gulf of St. Lawrence, Canada
Klein & Hubert / Cheetahs (Acinonyx jubatus) two at sunset, South Africa. Captive.
Klein & Hubert / Red-ruffed lemur (Varecia rubra) lying on branch in tropical forest, Madagascar.
Guy Edwardes / African elephant (Loxodonta africana) with Egret (Ardeidae sp) on back wtih tourists watching from boat in background. Chobe River, Botswana. 2017.
Mary McDonald / Mountain gorilla (Gorilla beringei beringei) female with baby age, 4 months, Volcanoes National Park, Rwanda
Giri Cavale / Melanistic leopard / Black panther (Panthera pardus) on territorial patrol on track, Nagarahole National Park, Nilgiri Biosphere Reserve, Karnataka, India.
Theo Bosboom / Banded demoiselles (Calopteryx splendens) pair still clasped together after mating, with two males resting nearby, the Netherlands, July.
Theo Bosboom / Common blue damselflies (Enallagma cyathigerum) group reflected in water, flying and perching on reeds - they sit on stems and fly around the water, looking for prey and females to mate. The stems ar...
Theo Bosboom / Banded demoiselle (Calopteryx splendens) at sunrise, resting in the Common nettle, Roosendaal, the Netherlands. July.
Theo Bosboom / Common bluetail damselfly (Ischnura elegans) on leaf, Millingerwaard, the Netherlands, June.
Lucas Bustamante / Four Galapagos sea lions (Zalophus wollebaeki) sleeping on beach, Floreana Island, Galapagos, Endangered species.
Lucas Bustamante / African lion (Panthera leo) resting, Etosha National Park, Harare Province, Namibia.
Claudio Contreras / Caribbean Flamingo (Phoenicopterus ruber) sleeping in the breeding colony, brooding egg, Ria Lagartos Biosphere Reserve, Yucatan Peninsula, Mexico, June, Finalist in the Portfolio Category of the Terr...
Ross Hoddinott / Broad bodied chaser dragonfly (Libellula depressa), newly emerged, resting on reeds,Broxwater, Cornwall, UK. April 2017.
Ross Hoddinott / Silver-studded blue butterflies (Plebejus argus) resting on grass and backlit by the sun, Upton Towans, Cornwall, UK. June 2017.
Ross Hoddinott / Emerald damselfly (Lestes sponsa), female resting, Broxwater, Cornwall, UK. August
Ross Hoddinott / Common blue butterflies (Polyommatus icarus) resting on grasses, Vealand Farm, Devon, UK. June 2017
Danny Green / Three Sea otters (Enhydra lutris) resting on ice, Alaska, June
Claudio Contreras / Black-browed Albatross (Thalassarche melanophris) close up resting, West Point Island, Falkland Islands, October
Francisco Marquez / Common crane (Grus grus) in a blizzard, Gallocanta Lake, Aragon, Spain, February.
Klein & Hubert / Domestic Tamworth pig, piglets sleeping. Germany.
Luke Massey / Wild boar (Sus scrofa) piglets resting, with mother nearby, Forest of Dean, Gloucestershire, England, UK, May.