Alex Mustard / RF - Female grey seal (Halichoerus grypus) hovering in gully of kelp (oarweed: laminaria: Laminaria hyperborea). Farne Islands, Northumberland, England, United Kingdom. British Isles. North Sea. (This...

Carol Walker / Two wild pinto Mustang stallions battle for dominance in Sand Wash Basin, Colorado, USA.

Carol Walker / Wild pinto Mustang mare and foal running in Sand Wash Basin, Colorado, USA.

Wim van den Heever / Vervet Monkey (Chlorocebus pygerythrus) baby jumping between branches, photographed mid air. Okavango Delta Botswana.

Wim van den Heever / Black heron (Egretta ardesiaca) fishing and using wings to create an area of shade to attract fish, on the banks of the Chobe River, Botswana.

Markus Varesvuo / Two male Black grouse (Tetrao / Lyrurus tetrix) fighting, Kuusamo, Finland, April.

Brent Stephenson / Young Polar bear (Ursus maritimus) walking across melting sea ice, Scott Inlet, Baffin Island, Canadian Arctic, August. Vulnerable species.

Will Watson / Atlantic salmon (Salmo salar) leaping a weir, Shrewsbury, River Severn, Shropshire, England, UK. November.

Doug Perrine / Humpback whale (Megaptera novaeangliae) lone female playing, blowing bubble stream, Kona, Hawaii, USA.

Wim van den Heever / Leopard (Panthera pardus) hunting Springbok (Antidorcas marsupialis) Etosha, Namibia, Finalist in the Mammals Category of the Wildlife Photographer of the Year 2015.

Alex Mustard / Portrait of Bigfin squid (Sepioteuthis lessoniana) hovering in open water above a coral reef at night. Dampier Strait, Raja Ampat, West Papua, Indonesia. Tropical West Pacific Ocean

Alex Mustard / Galapagos sea lions (Zalophus wollebaeki) young playing in shallow water. Floreana Island, Galapagos Islands, Ecuador. East Pacific Ocean

Bence Mate / Grey heron (Ardea cinerea) and Great egret (Ardea alba) fighting over fish, Lake Csaj, Pusztaszer, Hungary, December. Winner of the Portfolio category of the Terre Sauvage Nature Images Awards competi...

Bence Mate / Two Great egrets (Ardea alba) standing opposite each other with Grey heron (Ardea cinerea) in between. Lake Csaj, Pusztaszer, Hungary, January. Winner of the Portfolio category of the Terre Sauvage Na...

Bence Mate / Little egret (Egretta garzetta) shaking water off wings at sunset, Lake Csaj, Pusztaszer, Hungary. May. Winner of the Portfolio category of the Terre Sauvage Nature Images Awards competition 2015.

Sven Zacek / Ural owl (Strix uralensis) chick trying to climb an aspen tree with its beak, talons and wings, Southern Estonia. June.

Hermann Brehm / Reindeer (Rangifer tarandus) in woodland, Sweden, September.

Juan Carlos Munoz / Northern tamandua (Tamandua mexicana) climbing tree, Corcovado National Park, Osa Peninsula, Puntarenas Province, Costa Rica.

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

Arne Hodalic / Nenet herdsman with Reindeer (Rangifer tarandus) during summer migration, Yamal Peninsula, Russia. May.

Uri Golman / Greenland reindeer (Rangifer tarandus groenlandicus) in velvet, Kangerlussuaq, Greenland, June.

Uri Golman / Forest reindeer, (Rangifer tarandus fennicus) in velvet, Viiksimo, Kuhmo region. Finland, July. Rare subspecies which were nearly extinct in the 19th Century.

Tony Heald / Junglefowl (Gallus gallus) male, Kaziranga National Park, Assam, India, March.

Tony Heald / Hanuman langur (Semnopithecus entellus) eating coconut husk, Bandhavgarh National Park, India. March.

Sharon Heald / Hippopotamus (Hippopotamus amphibius) charging, Chobe National Park, Botswana, July.

Pete Oxford / Gayal / Mithun (Bos frontalis) on river bank. Arunachal Pradesh, North East India. November 2014.

Cyril Ruoso / Sumatran orangutan (Pongo abelii) female holding hands with baby whilst hanging from liana. Gunung Leuser National Park, Sumatra, Indonesia.

Dave Watts / Northern bald ibis (Geronticus eremita) feeding, Morocco, Critically endangered species.

Sven Zacek / American mink (Mustela vison) on ice with Common frog (Rana temporaria) prey, Tartumaa, Estonia, January. Introduced species.

Sven Zacek / Cross-country skiier on a moonlit night admiring the Northern Lights (Aurora borealis), Norway, March 2013.

Sven Zacek / Roe deer (Capreolus capreolus) buck with velvet antlers in snowy field at sunset, Tartumaa, Estonia, March.

Sven Zacek / White-tailed sea eagle (Haliaeetus albicilla) flying, and hunting over sea, Norway, July.

Bruno D'Amicis / Fennec fox (Vulpes zerda) adult at night digging for prey among the roots of Retam broom shrub. Grand Erg Oriental, Kebili Governorate, Tunisia. Taken with remote camera trap.

Anup Shah / African elephants (Loxodonta africana) wallowing at a waterhole, wide angle view. Maasai Mara National Reserve, Kenya.

Dong Lei / Crocodile newt (Tylototriton verrucosus) Gaoligong Mountain National Nature Reserve, Tengchong county, Yunnan Province, China. May.

Yukihiro Fukuda / Japanese macaque (Macaca fuscata fuscata) rare white furred baby jumping, Jigokudani Valley, Nagano Prefecture, Japan. June.

Charlie Summers / Adelie Penguin (Pygoscelis adeliae) carrying stolen rock from another nest in rookery, Peterman Island, Antarctica, November.

Charlie Summers / Rocky mountain bighorn (Ovis canadensis) ram jumping a barbed wire fence, Montana, USA,

Andy Rouse / Great crested grebe (Podiceps cristatus cristatus) courtship dance at dawn, Cardiff, UK, March.

Solvin Zankl / Deepsea Isopod (Glyptonotus antarcticus) from Antarctic Ocean at a depth of 231m.

Pete Oxford / Marine iguana (Amblyrhynchus cristatus) underwater. Fernandina Island. Galapagos, Endemic Species.

Pete Oxford / Galapagos Penguin (Spheniscus mendiculus) diving through shoal of fish, Galapagos. Endemic.

Pete Oxford / Galapagos land iguana (Conolophus subcristatus) walking, South Plaza Island, Galapagos. Endemic.

Pal Hermansen / European moose (Alces alces) bulls near houses, Nordland, Norway. July.

Will Burrard-Lucas / Ethiopian wolf (Canis simensis) stretching as it wakes up, Web Valley, Ethiopia.

George Sanker / Snowy egret (Egretta thula) with plumes erect, St. Augustine, Florida, USA, April.

George Sanker / Great egret (Ardea alba) taking off with fish prey in mouth, Myakka River State Park, Florida, USA, March.

George Sanker / Barred owl (Strix varia) stretching wings, Corkscrew Swamp Audubon Sanctuary, Florida, USA, March.