Wim van den Heever / Pied avocet (Recurvirostra avosetta) feeding in shallow water at dawn, Etosha National Park, Namibia.

Markus Varesvuo / Golden eagle (Aquila chrysaetos) plucking Capercaillie (Tetrao urogallus) Kuusamo, Finland, April.

Pedro Narra / Scientists observing lava and ash plume erupting from Fogo Volcano, Fogo Island, Cape Verde, 29th November 2014.

Pedro Narra / Man and woman undertaking monitoring work measuring Green turtle (Chelonia mydas) nests as the the female digs it, Bissagos Islands, Guinea Bissau. Endangered species. 3rd Place in the SOS Especes M...

Bence Mate / Great egret (Ardea alba) hunting fish, Lake Csaj, Pusztaszer, Hungary, February. Winner of the Portfolio category of the Terre Sauvage Nature Images Awards competition 2015.

Richard Kirby / Svalbard reindeer (Rangifer tarandus platyrhynchus) mother and calves, Svalbard, Norway, February.

Cyril Ruoso / Ringed-tailed lemur (Lemur catta) foraging in sisal field looking for flowers during a poor year without much fruit. Berenty reserve, Madagascar, September.

Anup Shah / Marabou storks (Leptoptilos crumeniferus) feeding on catfish in waterhole, wide angle view. Maasai Mara National Reserve, Kenya.

Espen Bergersen / Atlantic puffins (Fratercula arctica) group interacting, Hornoya bird cliff, Finnmark, Norway. March.

Danny Green / Japanese crane (Grus japonensis) displaying, wings in heart shape, Hokkaido, Japan, February

Claudio Contreras / Black-necked stilt (Himantopus mexicanus) reflected in water, Xochimilco wetlands, Mexico City, March

Ole Jorgen Liodden / Magnificent frigatebird (Fregata magnificens) in Galapagos

Tui De Roy / Erect-crested penguins (Eudyptes sclateri) feeding young chick. Antipodes Island, New Zealand Sub-Antarctic Islands. Endemic to Antipodes and Bounty Islands. Endangered species.

Hermann Brehm / Crowned crane (Balearica regulorum) with chicks, Ndutu, Tanzania.

Hermann Brehm / Crowned crane (Balearica regulorum) with chicks, Ndutu, Tanzania.

Gabriel Rojo / Marsh deer (Blastocerus dichotomus) male with Cattle tyrant (Machetornis rixosus) on back, Ibera Marshes, Corrientes Province, Argentina.

Fred Olivier / Adelie penguins (Pygoscelis adeliae) wide angle portrait of two with larger group in background, Antarctica.

Eric Baccega / Naro San Bushman hunting in the bush with traditional bow and arrow, Kalahari, Ghanzi region, Botswana, Africa. Dry season, October 2014.

Sven Zacek / Roe deer (Capreolus capreolus) buck, Vesneri, Estonia, March. Winner of the Animal stories portfolio in the Melvita Nature Images Awards competition 2014.

Ben Cranke / Black-striped capuchin (Sapajus libidinosus) using rock as a tool to break open palm nut, Parnaiba Headwaters National Park, Piaui, Brazil. August.

Ben Cranke / American Bison (Bison bison) foraging in the snow, Yellowstone National Park, Wyoming, USA. January.

Jabruson / African Rainforest clearance - hardwood tree felled for timber exploitation. South of Mbomo, Odzala-Kokoua National Park, Republic of Congo.

Enrique Lopez-Tapia / Women reaping the harvest in the fields adjacent to the Royal Bardia National Park, Nepal, October 2011.

Staffan Widstrand / Mangrove planting team from CRINEO planting Mangrove trees (Rhizophora) Pulicat Lake, Tamil Nadu, India, February 2013.

Juan Carlos Munoz,Juan Carlos Munoz / Lesser flamingos (Phoeiconaias minor) feeding in still lake, Lake Nakuru, Rift valley, Kenya, Africa

Juan Carlos Munoz,Juan Carlos Munoz / Lesser flamingo (Phoeniconaias minor) flock in lake Nakuru, Kenya

Markus Varesvuo / Wilson's Storm Petrel (Oceanites oceanicus) feeding whilst 'walking on water' Atlantic ocean, Madeira Portugal, August

Sergey Gorshkov / Giraffe (Giraffa camelopardalis) female bending down to calf, Okavango Delta, Botswana

Markus Varesvuo / Spotted Redshank (Tringa erythropus) standing on rocky shore, stretching wings, Uts, Finland, Scandinavia, August.

Andy Rouse / Polar Bear (Ursus maritimus) about to enter water, Svalbard, Norway, September 2009. Image 01262546 is cropped from this frame

SCOTLAND: The Big Picture / People signing a petition calling for a state regulated system of game bird hunting on grouse shooting estates. Hen Harrier Day, Loch Leven, Kinross, Scotland, UK, August 2016.

SCOTLAND: The Big Picture / People signing a petition calling for a state regulated system of game bird hunting on grouse shooting estates. Hen Harrier Day, Loch Leven, Kinross, Scotland, UK, August 2016.

SCOTLAND: The Big Picture / People signing a petition calling for a state regulated system of game bird hunting on grouse shooting estates. Hen Harrier Day, Loch Leven, Kinross, Scotland, UK, August 2016.

Mark Hamblin / RF - Siskin (Carduelis spinus) male displaying aggressively Scotland, UK. May. (This image may be licensed either as rights managed or royalty free.)

Erlend Haarberg / RF - Wild Reindeer (Rangifer tarandus). Forollhogna National Park in February. Norway. (This image may be licensed either as rights managed or royalty free.)

Denis-Huot / RF- Masai giraffe (Giraffa camelopardalis tippelskirchi) males fighting. Masai-Mara Game Reserve, Kenya. (This image may be licensed either as rights managed or royalty free.)

Denis-Huot / RF- Masai giraffe (Giraffa camelopardalis tippelskirchi) males fighting. Masai-Mara Game Reserve, Kenya. (This image may be licensed either as rights managed or royalty free.)

Eric Baccega / RF - Greater kudu herd (Tragelaphus strepsiceros) and Springbok (Antidorcas marsupialis) drinking at waterhole in dry season. Etosha National Park, Namibia, Africa. October. (This image may be license...

David Tipling / RF - Gentoo penguin (Pygoscelis papua) adult with begging chick, Holmestrand, South Georgia, January. (This image may be licensed either as rights managed or royalty free.)

David Tipling / RF - Greater flamingo (Phoenicopterus roseus) feeding in pool at dusk. Camargue, Provence, France. May 2015. (This image may be licensed either as rights managed or royalty free.)

Ann & Steve Toon / RF - Leopard (Panthera pardus) female drinking from puddle in road, Kgalagadi Transfrontier Park, Northern Cape, South Africa, February. (This image may be licensed either as rights managed or royalty...

Ann & Steve Toon / RF - Ground squirrels (Xerus inauris) grooming, Kgalagadi Transfrontier Park, Northern Cape, South Africa, January. (This image may be licensed either as rights managed or royalty free.)

Lynn M Stone / RF - Purebred domestic Jersey heifer on spring pasture. Canterbury, Connecticut, USA. May. (This image may be licensed either as rights managed or royalty free.)

Lynn M Stone / RF - American oystercatcher (Haematopus palliatus) probing sand for invertebrates at low tide. Tampa Bay, St. Petersburg, Florida, USA. March. (This image may be licensed either as rights managed or r...

Nick Turner / Traditional hedge laying, Fosse Cross, Gloucestershire, UK. November 2015.

Nick Turner / Corporate volunteers from Thames Water rebuilding river bank with hazel faggots on River Windrush at Brassey GWT Nature Reserve, Gloucestershire, UK. August 2015.

Klein & Hubert / Domestic Hen (Gallus gallus domesticus) pecking a worm (Lumbricus terrestris), France.

Klein & Hubert / Domestic Hen (Gallus gallus domesticus) pulling a worm, France.