Jack Dykinga / Female Burrowing owl (Athene cunicularia) with two chicks in farm fields, near Marana, Arizona, USA.
Terry Whittaker / Arctic fox (Vulpes lagopus) cubs playing with feather, playfighting and chasing each other near den, Hornvik, Hornstrandir Nature reserve, Iceland, July.
Nick Upton / White stork (Ciconia ciconia) with three chicks in nest at top of an Oak tree, gaping in hot sunshine with one exercising its wings, Knepp Estate, Sussex, UK, June.
David Pattyn / Great crested grebe (Podiceps cristatus) adult with three young on the back hoping to get fed Valkenhorst Nature Reserve, Valkenswaard, The Netherlands. May
Marie Read / Black Skimmers (Rynchops niger) nesting, one adult feeds a fish to a small chick that emerges from underneath second adult, Long Island, New York USA, August.
Erlend Haarberg / Mountain hares (Lepus timidus) fighting in snow at night, Vauldalen, Norway, April.
Jeff Foott / Leopard seal (Hydrurga leptonyx) resting on ice with three Adelie penguin (Pygoscelis adeliae) behind, Antarctica.
Guy Edwardes / Amethyst deceiver fungus (Laccaria amethystina). New Forest National Park, England, UK. October.
Oscar Dewhurst / Canada geese (Branta canadensis) in flight low over lake at sunrise in mist. London, UK. November
David Fleetham / Close up at the dental plates of Three color parrotfish (Scarus tricolor) as it comes in for a bite of hard coral, Fiji.
Edwin Giesbers / Three Long-eared owls (Asio otus) looking down from a tree in autumn, Wijchen, The Netherlands, December. Birds in their Habitat Category winner, Expos Photos Aves Emotion'Ailes Competition 2020.
Philippe Clement / Three Hudson Bay wolf pups (Canis lupus hudsonicus) playing near den, Bavarian Wildlife Forest Park, Germany, June. Captive, native to Canada.
David Pattyn / Mute swan (Cygnus olor) in a threathening territorial pose and attacking a rival, Lake Geneva, near Geneva, Switzerland, March
Simon Littlejohn / Close-up of a female European otter (Lutra lutra) and two juveniles feeding in a river, River Stour, Dorset, England, UK, June.
Simon Littlejohn / Female European otter (Lutra lutra) and two large pups playing and feeding in mid river, River Stour, Dorset, England, UK, June.
Tui De Roy / Three White rhinoceroses (Ceratotherium simum) walking together, Solio Game Reserve, Laikipia, Kenya. September.
Tui De Roy / Three White rhinoceroses (Ceratotherium simum), Solio Game Reserve, Laikipia, Kenya. September.
Brandon Cole / Orca whales (Orcinus orca), three adult male resident killer whales travelling together at sunset. British Columbia, Canada, Pacific Ocean.
Erlend Haarberg / Mountain hare (Lepus timidus) fighting in the snow at night, Vauldalen, Norway, April.
David Tipling / Puffin (Fratercula arctica) group of three, Farne Islands, Northumberland, UK July
Claudio Contreras / Caribbean Reef Shark (Carcharhinus perezi) group of three, Jardines de la Reina / Gardens of the Queen National Park, Caribbean Sea, Ciego de Avila, Cuba.
Nick Hawkins / Brown-throated three-toed sloth (Bradypus variegatus) mother and baby, Tenorio Volcano National Park, Costa Rica.
David Hall / Steller sea lions (Eumetopias jubatus), three playing underwater, Inian Island, Alaska, USA. August.
Ross Hoddinott / Three common blue damselflies (Enallagma cyathigerum) roosting on sedge and silhouetted at dawn, Broxwater, Cornwall, UK. July .
Doug Gimesy / Wildlife carer Julie Malherbe looking after three recently orphaned Grey-headed Flying-foxes (Pteropus poliocephalus) in her home whilst simultaneously taking phone calls to manage the next wildlife r...
Klein & Hubert / Common kestrel (Falco tinnunculus) three fledglings sitting on barn, France.
Klein & Hubert / Three European wild boars (Sus scrofa) running in snow in winter, Germany. Captive.
Sylvain Cordier / Gelada baboon (Theropithecus gelada) female carrying baby on back, dominant male in background. Debre Libanos, Rift Valley, Ethiopia.
Lorraine Bennery / Broad-billed roller (Eurystomus glaucurus) Tsingy Bemaraha National Park, Madagascar.
John Shaw / Grey wolves running in snow (Canis lupus), Minnesota, USA. January. Controlled situation.
Danny Green / Whooper Swans (Cygnus cygnus) in snow. Japan, February.