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

Martin Dohrn / Herd of giraffes (Giraffa camelopardalis) resting at night, Masai Mara, Kenya. Image taken at night using thermal camera technology, with no artificial light.

Jack Dykinga / Ironwood Forest National Monument, Arizona. Sunset light with whispy clouds over Ragged Top Mountain in the Silverbell range.

Jack Dykinga / Sandhill cranes (Antigone canadensis) taking off in dawn light. Bosque del Apache National Wildlife Refuge, New Mexico, USA, January

SCOTLAND: The Big Picture / Mountains of Assynt and Loch Sionasgaig in the rain, Sutherland, Scotland, UK. November.

Jack Dykinga / Birdcage evening primrose (Oenothera deltoides) and desert golds (Geraea canescens) carpet the sandy washes beneath the Calumet Mountains, under the Milky Way. Mojave Trail National Monument, Mojave D...

Guy Edwardes / Northern Lights over Vestrahorn, Hofn, Iceland. September 2017

Guy Edwardes / Landscape of Alpe di Siusi, Dolomites, Italy, March 2016.

Guy Edwardes / Natural Arch, Siabost, Isle of Lewis, Outer Hebrides, Scotland, UK. March, 2015.

Guy Edwardes / Rannoch Moor and the Black Mount, Argyll and Bute, Scotland, UK. March 2017.

Guy Edwardes / Callanish Standing Stones, Isle of Lewis, Outer Hebrides, Scotland, UK. March 2015.

Seth Patterson / A compilation of items found washed up along a half mile stretch of the high tide line of South Padre Island, Texas. October 2016. Some of the plastic bottles and bags of signs of nip marks from hun...

Markus Varesvuo / Snowy owl (Bubo scandiaca) female sitting among snow covered vegetation on ground, Canada February

Wim van den Heever / African elephants (Loxodonta africana) small herd at waterhole at sunset, Etosha National Park, Namibia

Anup Shah / African elephants (Loxodonta africana) family herd feeding on loose soil for its minerals, with dramatic stormy skies behind, Maasai Mara National Reserve, Kenya. Taken with remote wide angle camera.

Anup Shah / African elephants (Loxodonta africana) family herd feeding on loose soil for its minerals, with dramatic stormy skies behind, Maasai Mara National Reserve, Kenya. Taken with remote wide angle camera.

Wim van den Heever / Cheetah (Acinonyx jubatus) hunting Springbok (Antidorcas marsupialis) trying to trip up the prey, Kgalagadi, South Africa

Wim van den Heever / Lions (Panthera leo) five drinking together, Ndutu, Tanzania

Wim van den Heever / Aerial view of Cape Town city with Table Mountain, South Africa, taken from helicopter, May 2011

Floris van Breugel / Wild horse / mustang in open landscape, White Mountains, California, USA, July

Floris van Breugel / Sunrise over Mt Morrison in the far distance, near Convict Lake, Sierra Nevada, California, USA January

Bence Mate / Great egret (Ardea alba) fighting, one grabbing the leg of another in snow, Lake Csaj, Kiskunsagi National Park, Pusztaszer, Hungary. February.

Juan Carlos Munoz / Sand dunes with some desert vegetation at base, Namib-Naukluft National Park, Namibia, June 2015.

Tony Heald / African lion (Panthera leo) three subadults resting on the road, one snarling, Central Kalahari Game Reserve, Botswana

Bence Mate / Little egret (Egretta garzetta) and Grey herons (Ardea cinerea) reflected in lake at twilight, Lake Csaj, Pusztaszer, Hungary. June. Winner of the Portfolio category of the Terre Sauvage Nature Images...

Wim van den Heever / Large pod of Bottlenose dolphins (Tursiops truncatus) porpoising over waves during annual sardine run, Port St Johns, South Africa. Runner up in the Animals in their Environment Category of the Wildl...

Juergen Freund / Flock of Budgerigars (Melopsittacus undulatus ) drinking in an outback dam, Northern Territory, Australia.

Markus Varesvuo / Willow grouse (Lagopus lagopus) Kiilopaa, Inari, Finland, January.

David Pattyn / Black necked grebe (Podiceps nigricollis) pair running over the water surface together as a part of their courtship ritual. This early in the breeding season, one of the birds is still in its winter p...

Jack Dykinga / Cardon cactus (Pachycereus pringlei) and Biznaga/Barrel cactus (Ferocactus diguetii),growing at the edge of the sea, CONANP protected area.Catalina Island, Sea of Cortez, Baja Sur, Mexico. February 20...

Jack Dykinga / Humpback whale (Megaptera novaeangliae) fluke marked with barnacle attachments, CONANP protected area, Baja Sur, Sea of Cortez, Mexico. February.

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

Hougaard Malan / Perito moreno Glacier, Patagonia, Argentina. April 2013. Non-ex.

Hougaard Malan / Panoramic view of the Perito Moreno Glacier, Patagonia, Argentina. April 2013.

Hougaard Malan / Panoramic view of the Milky Way over baobab trees. Kubu Island, Makgadikgadi pans, Botswana. May 2012.

Hougaard Malan / Tropical beach, La Digue Island, Seychelles. October 2012.

Jane Burton / Cocker spaniel x poodle (Cockapoo) cross puppies resting with parents.

Jane Burton / Pug x Shih-tzu (Pugzu) cross puppies with parents.

Jane Burton / Sheltie and Dachshund dogs with their puppies.

Bence Mate / Grey herons (Ardea cinerea) standing in water a dawn, Puszaszer, Hungary, July.

Bence Mate / Common buzzard (Buteo buteo) in flight over snow, Pusztaszer, Hungary, January.

Mark Taylor / Guildford flooded by River Wey at night, during the 2013 Christmas floods. Surrey, England, 25th December 2013. Digitally enhanced image.

Anup Shah / Spotted hyena (Crocuta crocuta) approaching with curiosity. Masai Mara National Reserve, Kenya. Taken with remote wide angle camera.

Anup Shah / Spotted hyena (Crocuta crocuta) aged about 2 years watching with curiosity with the rest of the clan in the background. Masai Mara National Reserve, Kenya. Taken with remote wide angle camera.

Anup Shah / Eastern white-bearded wildebeest (Connochaetes taurinus) herd running. Masai Mara National Reserve, Kenya. Taken with remote wide angle camera.

Anup Shah / Common or plains zebra (Equus quagga burchelli) and Eastern white-bearded wildebeest (Connochaetes taurinus) mixed herd running. Masai Mara National Reserve, Kenya. Taken with remote wide angle camera...

Anup Shah / Eastern white-bearded wildebeest (Connochaetes taurinus) herd running. Masai Mara National Reserve, Kenya. Taken with remote wide angle camera.

Anup Shah / Eastern white-bearded wildebeest (Connochaetes taurinus) herd running. Masai Mara National Reserve, Kenya. Taken with remote wide angle camera.