Anup Shah / Western lowland gorilla (Gorilla gorilla gorilla) sub-adult female 'Mosoko' aged 8 years crossing a river, Bai Hokou, Dzanga Sangha Special Dense Forest Reserve, Central African Republic

Jack Dykinga / Scalding hot water continuously spouting behind layers of mineral deposits, Fly Geyser, Black Rock Desert, Great Basin Desert, Nevada, USA

Danny Green / Hazel Dormouse (Muscardinus avellanarius) hibernating amongst leaves and acorns. Captive. Leicestershire, UK, October.

Ross Hoddinott / Marbled White butterfly (Melanargia galathea) resting on grass, Dunsdon Nature Reserve, Devon, UK. July

David Tipling / Grey Squirrel (Sciurus carolinensis) climbing on fence, St James Park, London, UK, October

Anup Shah / Western chimpanzee (Pan troglodytes verus) juvenile female 'Joya' aged 6 years sitting in the trees, Bossou Forest, Mont Nimba, Guinea. December 2010.

Chris Gomersall / 2020VISION / European river otter (Lutra lutra) cub amongst kelp on shoreline, Shetland Isles, Scotland, UK, October.

Suzi Eszterhas / Mountain Gorilla (Gorilla gorilla beringei) silverback feeding, Parc National des Volcans, Rwanda

Suzi Eszterhas / Mountain Gorilla (Gorilla gorilla beringei) mother holding five month old twin babies, Parc National des Volcans, Rwanda

Suzi Eszterhas / Mountain Gorilla (Gorilla gorilla beringei) mother holding five month old twin babies, Parc National des Volcans, Rwanda

Nick Upton / 2020VISION / Flock of young Common / Eurasian Cranes (Grus grus) walking and flying after two surrogate parents dressed in grey holding model adult crane heads. The Great Crane Project, Somerset, UK, September 201...

Juan Carlos Munoz / Great Egret (Ardea alba) in full breeding plumage. Everglades National Park, Florida, USA, February.

Nick Upton / 2020VISION / Group of recently released young Common / Eurasian cranes (Grus grus) running with their wings raised following a carer in a crane costume acting as a surrogate parent, Somerset Levels, England, UK, S...

Nick Upton / 2020VISION / Four young Common / Eurasian cranes (Grus grus) following two carers acting as surrogate parents out of their electric fenced, fox-proof enclosure, Somerset Levels, England, UK, September 2012

Nick Upton / 2020VISION / Group of recently released young Common / Eurasian cranes (Grus grus) feeding on grain scattered around adult crane models alongside a carer wearing a crane costume acting as a surrogate parent, Somer...

LYNN M. STONE / Great Egrets (Ardea alba) preening their breeding plumage, at nest. Osceola County, Florida, USA, March.

Anup Shah / Western lowland gorilla (Gorilla gorilla gorilla). dominant male silverback 'Makumba' aged 32 years, Bai Hokou, Dzanga Sangha Special Dense Forest Reserve, Central African Republic, December 2011

Christophe Courteau / Mountain gorillas (Gorilla beringei) Hirwa group led by the silverback dominant male Munyinya, Volcanoes National Park, Rwanda, elevation 2610 m

Christophe Courteau / Mountain gorilla silverback, male called Munyinya, (Gorilla beringei) with tourist taking photo, part of Hirwa Group, Volcanoes National Park, Rwanda

Anup Shah / Bornean Orangutan (Pongo pygmaeus wurmbii) male baby 'Thor' aged 8-9 months hanging from his mother. Camp Leakey, Tanjung Puting National Park, Central Kalimantan, Borneo, Indonesia. July 2010. Rehabi...

Anup Shah / Bornean Orangutan (Pongo pygmaeus wurmbii) female baby 'Petra' aged 12 months. Camp Leakey, Tanjung Puting National Park, Central Kalimantan, Borneo, Indonesia. July 2010. Rehabilitated and released (...

Fiona Rogers / Bornean Orangutan (Pongo pygmaeus wurmbii)female 'Unyuk' and her daughter 'Ursula' aged 4 years. Camp Leakey, Tanjung Puting National Park, Central Kalimantan, Borneo, Indonesia. June 2010. Rehabilita...

Fiona Rogers / Bornean Orangutan (Pongo pygmaeus wurmbii) female 'Unyuk' holding her daughter 'Ursula' age 4. Camp Leakey, Tanjung Puting National Park, Central Kalimantan, Borneo, Indonesia. June 2010. Rehabilitate...

Rod Williams / Northern / Chinese white-cheeked gibbon (Nomascus leucogenys) female head portrait, Laos, Vietnam, critically endangered species. Captive.

Konrad Wothe / Chimpanzee (Pan troglodytes) fishing for ants with stick, Mahale Mountains National Park, Tanzania, East Africa

Donald M. Jones / Common Loon (Gavia immer) stretching wings, Troy, Montana

Peter Cairns / 2020VISION / Great skua (Stercorarius skua), Shetland Isles, Scotland, UK, July

Nuno Sa / Blue Shark (Prionace glauca) near sea surface and divers in background. Santa Maria, Azores, September.

Nuno Sa / Blue Shark (Prionace glauca) with diver in background. Santa Maria, Azores, September.

Florian Möllers / Chinese Fisherman on his raft with Great Cormorant (Phalacrocorax carbo sinensis), against the karst hills at the Li River. Yangshuo, Guangxi, China, November.

Florian Möllers / Chinese Fisherman and one of his Great Cormorants (Phalacrocorax carbo sinensis). Li River, Yangshuo, Guangxi, China, November.

Florian Möllers / Fisherman holding Great Cormorant (Phalacrocorax carbo sinensis) with large fish in its beak. Li River, Yangshuo, Guangxi, China, November.

Florian Möllers / Chinese fisherman on his raft with Great Cormorants (Phalacrocorax carbo sinensis) fishing at night on the Li River. Yangshuo, Guangxi, China, November.

Florian Möllers / Chinese Fisherman on his raft with Great Cormorant (Phalacrocorax carbo sinensis), against the karst hills at the Li River. Yangshuo, Guangxi, China, November.

Florian Möllers / Chinese fisherman on his raft with Great Cormorant (Phalacrocorax carbo sinensis), silhouetted against the karst hills at the Li River. Yangshuo, Guangxi, China, November.

Florian Möllers / Chinese fisherman on his raft with Great Cormorant (Phalacrocorax carbo sinensis) fishing at night on the Li River. Yangshuo, Guangxi, China, November.

Guy Edwardes / 2020VISION / Family, couple with baby, birdwatching in reedbeds at Westhay SWT reserve, Somerset Levels, Somerset, England, UK, June 2011 Model released. Did you know? Westhay Somerset Wildlife Trust reserve is a...

Nick Upton / 2020VISION / Common / Eurasian Crane (Grus grus) chicks, ten weeks, being taught to look for food on the ground by surrogate crane parent wearing grey smock and holding model adult head, with adult decoy in feedin...

Anup Shah / Bornean Orangutan (Pongo pygmaeus wurmbii) mature male 'Doyok's' hand holding a liana(Pongo pygmaeus wurmbii). Pondok Tanggui, Tanjung Puting National Park, Central Kalimantan, Borneo, Indonesia. June...

Anup Shah / Bornean Orangutan (Pongo pygmaeus wurmbii) female 'Yuni' and her baby aged 3-6 months - portrait. Camp Leakey, Tanjung Puting National Park, Central Kalimantan, Borneo, Indonesia. July 2010. Rehabilit...

Anup Shah / Bornean Orangutan (Pongo pygmaeus wurmbii) sub-adult male 'Oman' sitting on a clump of vegetation in the river feeding - wide angle perspective. Camp Bulu, Lamandau Nature Reserve, Central Kalimantan,...

Anup Shah / Bornean Orangutan (Pongo pygmaeus wurmbii) young mature male 'Gary' aged 16 years portrait. Camp Leakey, Tanjung Puting National Park, Central Kalimantan, Borneo, Indonesia. July 2010. Rehabilitated a...

Anup Shah / Bornean Orangutan (Pongo pygmaeus wurmbii) female 'Peta' carrying her baby daughter 'Petra' aged 12 months. Camp Leakey, Tanjung Puting National Park, Central Kalimantan, Borneo, Indonesia. June 2010....

Anup Shah / Bornean Orangutan (Pongo pygmaeus wurmbii) female 'Tata' and her unnamed baby aged 2-3 months portrait. Camp Leakey, Tanjung Puting National Park, Central Kalimantan, Borneo, Indonesia. June 2010. Reh...

Anup Shah / Bornean Orangutan (Pongo pygmaeus wurmbii) female 'Tutut' sitting with her sleeping baby 'Thor' aged 8-9 months. Camp Leakey, Tanjung Puting National Park, Central Kalimantan, Borneo, Indonesia. July...

Tim Laman / Great Bowerbird (Chlamydera nuchalis) male in his bower. The center of the bower avenue is decorated with green fruits. Located on the campus of James Cook University, Townsville, Queensland, Australi...

Mark Hughes / Common Tern (Sterna hirundo) flying, Stockers Lake, Hertfordshire, England

Mark Carwardine / Chimpanzee (Pan troglodytes) portrait, Captive, rescued as an orphan, Ngamba Island Chimpanzee Sanctuary, Uganda, Africa, Endangered species, October

Shattil & Rozinski / Kelp floating on water at the edge of the Great Bear Rainforest, British Columbia, Canada, September

Pete Oxford / Great blue heron (Ardea herodias) portrait, Puerto Ayora, Santa Cruz Island, Galapagos Islands

Ernie Janes / Beech trees at Felbrigg Great Wood, Norfolk, UK, November 2008

Edwin Giesbers / Orang utan (Pongo pygmaeus) head portrait of dominant male called Aman. He is the first orangutan in the world to have his eye sight restored . Matang wildlife centre, Sarawak, Borneo, Malaysia, June...

Edwin Giesbers / Orang utan (Pongo pygmaeus) head portrait of dominant male called Aman. He is the first orangutan in the world to have had his cataracts operated on and his eye sight restored. Matang wildlife centre,...

Edwin Giesbers / Orang utan baby (Pongo pygmaeus) head portrait, Semengoh Nature reserve, Sarawak, Borneo, Malaysia, Endangered

Edwin Giesbers / Orang utan (Pongo pygmaeus) baby hanging from trees, and chewing on fingers, Semengoh Nature reserve, Sarawak, Borneo, Malaysia, Endangered

Edwin Giesbers / Orang utan (Pongo pygmaeus) baby sleeping in the arms of an adult, Semengoh Nature reserve, Sarawak, Borneo, Malaysia, Endangered

Edwin Giesbers / Orang utan (Pongo pygmaeus) head portrait of dominant male called Richie, Semengoh Nature reserve, Sarawak, Borneo, Malaysia, Endangered

Edwin Giesbers / Orang utan (Pongo pygmaeus) portrait, silhouetted against sky on tree branch, Semengoh Nature reserve, Sarawak, Borneo, Malaysia, Endangered

Edwin Giesbers / Orangutan baby (Pongo pygmaeus) head portrait of baby, Semengoh Nature reserve, Sarawak, Borneo, Malaysia. Endangered.

Andrew Parkinson / Great skua (Stercorarius skua) territorial adult flying directly toward the photographer in a display of aggression. Shetland Islands, Scotland, UK, June. (non-ex)

Andrew Parkinson / Pair of Great Crested Grebes (Podiceps cristatus) during their elaborate courtship dance. March. Derbyshire, UK, March (non-ex)

Andrew Parkinson / Great skua (Stercorarius skua) attacking a sheep, in an attempt to prevent it wandering too close to its vulnerable chick. Shetland Islands, Scotland, UK, June (non-ex)

Andrew Parkinson / Great skua (Stercorarius skua) bathing in a freshwater pool. Shetland Islands, Scotland, UK, June. (non-ex)

Andrew Parkinson / Pair of Great skuas (Stercorarius skua) on a misty moorland with person walking close to their territory. Shetland Islands, Scotland, UK, June. (non-ex)

Andrew Parkinson / Great Skua (Stercorarius skua) territorial adult displaying to other Skuas passing overhead by stretching out its wings and calling. Shetland Islands, Scotland, UK, June. (non-ex)

Juan Carlos Munoz / Aerial view of the trench of the Great Rift valley, Tanzania, Africa, August 2009

Steve Gettle / Northern Cardinal (Cardinalis cardinalis) male, Brighton, Michigan

Nick Upton / 2020VISION / Common / Eurasian cranes (Grus grus) small flock of juveniles taking flight over the frozen, snow covered pastureland on a foggy winter morning. These Cranes were released by the Great Crane Project...

Nick Upton / 2020VISION / RSPB volunteers Jane Munstermann and Derek Stevenson observing and radio-tracking Common / Eurasian cranes (Grus grus) released by the Great Crane Project onto the Somerset Levels and moors, on a fogg...

Bence Mate / Low angle view of grey heron feet (Ardea cinerea), leaping to attack gret white egret (Egretta alba), egret wings visible. Hungary. WINNER: Erik Hosking Award portfolio image 1/6 - Wildlife Photograph...

Tim Laman / Adult male Bornean orangutan (Pongo pygmaeus) in rainforest canopy, Gunung Palung National Park, Borneo, West Kalimantan, Indonesia

Suzi Eszterhas / Sumatran Orangutan (Pongo abelii) two and a half year old baby calling, Gunung Leuser National Park, north Sumatra, Indonesia

Suzi Eszterhas / Sumatran Orangutan (Pongo abelii) mother and playful one and a half year old baby, Gunung Leuser National Park, north Sumatra, Indonesia

Suzi Eszterhas / Sumatran Orangutan (Pongo abelii) nine month old baby playing in tree, Gunung Leuser National Park, north Sumatra, Indonesia

ZSSD / Giant Panda (Ailuropoda melanoleuca) cub, native to China

Jeff Rotman / Great White shark (Carcharodon carcharias) surfacing with mouth open, Dyer Island, South Africa, Atlantic Ocean.

Tui De Roy / Great Frigatebird (Fregata minor) female guarding chick, Galapagos Islands, Ecuador

Jerry Monkman / Lone hiker at sunrise on the Bold Coast trail in Cutler, Maine, USA, June 2009. Model released

Stephen Dalton / Collection of bird feeders in garden, with Greenfinches (Carduelis chloris) and Great tits (Parus major) UK

Dietmar Nill / Great Bustard (otis tarda) two chicks, Germany, vulnerable species

Dietmar Nill / Great crested grebe (Podicepes cristatus) adult with chick on its back, Germany

Patricio Robles Gil / Great tailed grackle (Quiscalus mexicanus) in water, Yucatan, Mexico

George Sanker / Moose (Alces alces) bull shaking off water at sunset, Great North Woods, Baxter State Park, Maine, New England, USA, Autumn

Peter Cairns / naturepl.com / Great grey owl {Strix nebulosa} peering from behind tree trunk in pine forest, captive, Scotland, UK, February

Mark Bowler,Mark Bowler / Siberian musk deer (Moschus moschiferus) male with tusks grooming, captive, Midlothian deer enclosure, UK, vulnerable species

Katherine Feng / Giant Panda (Ailuropoda melanoleuca), Xiang Xiang the first captive raised panda to be released into the wild, in pre release enclosure eating bamboo, Wolong Nature Reserve, endangered, China

Kevin Schafer / Great Basin Bristlecone Pine (Pinus longaeva), White Mountains, California

Richard Herrmann / Blue Shark (Prionace glauca), San Diego, California

Yva Momatiuk & John Eastcott / Great Fountain Geyser erupting, Yellowstone National Park, Wyoming

Jim Brandenburg / Common Loon (Gavia immer) swimming, Minnesota

ZSSD / Bonobo (Pan paniscus) female playing with youngster by throwing him up in the air, native to Africa

ZSSD / Western Lowland Gorilla (Gorilla gorilla gorilla) scratching its head, native to Africa