Heather Angel / Giant panda (Ailuropoda melanoleuca) sliding down slope on back after losing footing. Panda Breeding Centre, Wolong, Sichuan, China. January 1987.
Andy Rouse / Portrait of a Grizzly Bear (Ursus arctos) cub with paw over face. Katmai, Alaska, USA, September. Not available for ringtone/wallpaper use.
Danny Green / North American river otter (Lontra canadensis) on back, rolling on snow bank. Yellowstone National Park, USA, January.
Danny Green / Bengal tiger (Panthera tigris tigris) resting on track. Bandhavgarh National Park, India, December.
Danny Green / Bengal tiger (Panthera tigris tigris) male resting in undergrowth, portrait. Bandhavgarh National Park, India, December.
Alex Mustard / Light patterns on the seabed and fluffy cumulus clouds in the sky in a split level image. North Sound, Grand Cayman, Cayman Islands, British West Indies. Caribbean Sea.
Danny Green / Reindeer (Rangifer tarandus) hunkering down in snow during blizzard. Svalbard, Norway, April.
Oriol Alamany / Gelada Baboon (Theropithecus gelada) male lying in a forest glade at around 3,000 metres of altitude, Simien Mountains National Park, Amhara, Ethiopia.
Gabriel Rojo / Jaguar (Panthera onca) lying on tree roots, portrait. Mato Grosso, Pantanal, Brazil.
Lucas Bustamante / Sri Lankan leopard (Panthera pardus kotiya) rolling on its back, Yala National Park, Sri Lanka
Klein & Hubert / Wild mustangs, bay foal lying in wild flowers, Rocky Mountains, USA. June.
Stefan Christmann / Emperor penguin (Aptenodytes forsteri) chicks lying down in the cold, Atka Bay, Queen Maud Land, Antarctica. October.
Tony Wu / Humpback whale (Megaptera novaeangliae) lying on its side while executing a series of pectoral fin slaps on ocean surface. Vava'u, Tonga, South Pacific.
Nick Hawkins / Galapagos sea lion (Zalophus wollebaeki), three resting underneath school bus. Isabela Island, Galapagos. 2017.
Karine Aigner / Bengal tiger (Panthera tigris tigris) head, close up. Ranthambore National Park, Rajasthan, India.
Nick Garbutt / RF - Skull of a male Himalayan ibex (Capra sibirica) (killed by a snow leopard) lying on steep rocky slope. Himalayas, Ladakh, northern India. (This image may be licensed either as rights managed or r...
Klein & Hubert / Red-ruffed lemur (Varecia rubra) lying on branch in tropical forest, Madagascar.
Guy Edwardes / Fairy Pools and Black Cuillins, Glen Brittle, Isle of Skye, Inner Hebrides, Scotland, UK. February 2017.
Guy Edwardes / View from Colmer's Hill over countryside with low lying mist, Bridport, Dorset, England, UK. April 2016.
Neil Aldridge / African lion (Panthera leo) male lying in the middle of the Busanga Plains, Kafue National Park, Zambia. Vulnerable
Mark Taylor / Yellow Labrador Retriever puppy, age 9 weeks, lying with head up.
Mark Taylor / Tabby kitten, 6 weeks, lying with head up and raised paw.
Pal Hermansen / Inuit sled dogs resting, near Ittoqortoormiit, Scoresbysund, Greenland. Second Prize in the Nature category of the Spider Black and White Photography Competition 2015.
Dave Watts / Female Western grey kangaroo (Macropus fuliginosus) rolling with a large joey in her pouch, Kangaroo Island, South Australia.
Fiona Rogers / Eastern chimpanzee (Pan troglodytes schweinfurtheii) infant male 'Gizmo' aged 2 years lying on the forest floor. Gombe National Park, Tanzania.