Hougaard Malan / Perito Moreno glacier viewed over bright autumn foliage, Patagonia, Argentina. April 2013. Non-ex.

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

Hougaard Malan / Sunny summer day at Hole in the Wall. Wild Coast, Eastern Cape, South Africa. May 2013. Non-ex.

Andrew Parkinson / Hanuman / Northern Plains Grey Langur (Presbytis entellus) youngster in mid-air leaping from a sloping tree trunk to a nearby tree sapling. Bandhavgarh National Park, India. Non-ex.

Andrew Parkinson / Black-headed gull (Chroicocephalus ridibundus) adult in winter plumage, taking off at dawn from tranquil lake. (Non-ex) Derbyshire, UK. Highly commended, GDT competition 2012, Nature's studio categor...

Andrew Parkinson / Adult Badger (Meles meles) at entrance to sett, with some young Domestic cattle in the background, Derbyshire, England, UK, May 2012 (non-ex).

Andrew Parkinson / Sparrowhawk (Accipiter nisus) adult killing and plucking feathers from collared dove. Derbyshire, UK, November. British Wildlife Photographer of the Year (BWPA) competition 2012, 'Animal Behaviour' ca...

Andrew Parkinson / Sparrowhawk (Accipiter nisus) adult with feather of collared dove in beak, after making kill. Derbyshire, UK, November. (Non-ex)

Andrew Parkinson / Redwing (Turdus iliacus) protecting a windfall apple from another bird. Derbyshire, UK, February. (Non-ex)

Andrew Parkinson / Redwings (Turdus iliacus) squabbling over an apple in snow. Derbyshire, UK, February. British Wildlife Photographer of the Year (BWPA) competition 2012, 'Animal Behaviour' category. (Non-ex) Winner of...

Andrew Parkinson / Red Fox (Vulpes vulpes) in meadow of buttercups. Derbyshire, UK, June. British Wildlife Photographer of the Year (BWPA) competition 2012, 'Outdoor Photography editor's choice' category. (Non-ex)

Andy Rouse / Groups of Burchell's Zebra (Equus quagga) in grassland seen from balloon. Masai Mara, Kenya, Africa. (non-ex).

Andy Rouse / Grevy's Zebra (Equus grevyi) in late sunlight. Samburu, Kenya, Africa. (non-ex).

Andy Rouse / Red fox (Vulpes vulpes) in autumn woodland, UK, (non-ex)

Andy Rouse / Barn Owl (Tyto alba) in flight over grass. Wiltshire, UK (non-ex).

Andy Rouse / Lonnberg's / Subantarctic Skua (Stercoraius antarcticus lonnbergi) displaying aggressive behaviour, South Shetland Islands, Antarctica. (Non-ex)

Andy Rouse / Little Owl (Athene noctua) adult pulling a worm from the ground. Wales, UK, June. (non-ex).

Andy Rouse / Little Owl (Athene noctua) adult pulling a worm from the ground. Wales, UK, June. (non-ex).

Andy Rouse / Little Owl (Athene noctua) adult looking for worms. Wales, UK, June. (non-ex).

Andy Rouse / Little Owl (Athene noctua) chick begging food from its parent. Wales, UK, June. (non-ex).

Andy Rouse / Little Owl (Athene noctua) adult with a worm in its beak. Wales, UK, June. (non-ex).

Andy Rouse / Little Owl (Athene noctua) adult eating a worm. Wales, UK, June. (non-ex).

Andy Rouse / Little Owl (Athene noctua) parent with two chicks. Wales, UK, June. (non-ex).

Andy Rouse / Indo-chinese Tiger (Panthera tigris corbetti) in water. Thailand captive (non-ex)

Andy Rouse / Siberian Tiger (Panthera tigris altaica) walking on snow. Captive. (non-ex)

Andy Rouse / Siberian Tiger (Panthera tigris altaica) running in snow. Captive. (non-ex)

Andrew Parkinson / Small flock of Waxwings (Bombycilla garrulus) perched on a house TV aerial. Nottinghamshire, UK, January. (non-ex)

Andrew Parkinson / Small flock of Waxwings (Bombycilla garrulus) perched on a house TV aerial. Nottinghamshire, UK, January. (non-ex)

Andrew Parkinson / Water vole (Arvicola terrestris) feeding on a grass bank. Derbyshire, UK, April (non-ex)

Andrew Parkinson / Tufted duck (Aythya fuligula) male on a tranquil lake in dawn mist. Derbyshire, UK, May. (non-ex)

Andrew Parkinson / Sika deer (Cervus nippon) female stretching her head back to detect the scent of any potential threat. Arne RSPB Reserve, Dorset, UK, October (non-ex)

Andrew Parkinson / Scots pine (Pinus sylvestris) view from below of a mature tree covered in snow. Cairngorms National Park, Scotland, UK. February (non-ex)

Andrew Parkinson / Robin (Erithacus rubecula) standing alert on snow covered ground, Derbyshire, UK. January (non-ex)

Andrew Parkinson / Robin (Erithacus rubecula) perched on a frosted grass stem. Scotland, UK. January. (non-ex)

Andrew Parkinson / Juvenile Rabbit (Oryctolagus cuniculus) head portrait, sitting upright near their warren. Norfolk, UK. June (non-ex)

Andrew Parkinson / Two juvenile Rabbits (Oryctolagus cuniculus) sitting upright near their warren. Norfolk, UK. June (non-ex)

Andrew Parkinson / Puffin (Fratercula arctica) head portrait, and single flower of Thrift (Ameria maritima) Shetland Islands, Scotland, UK, July (non-ex)

Andrew Parkinson / Puffin (Fratercula arctica) in flight, preparing to land on cliff top, with beak full of Sand eels (Ammodytes tobianus) Shetland Islands, Scotland, UK, July (non-ex)

Andrew Parkinson / Ptarmigan (Lagopus mutus) in white winter plumage framed by a walker passing by during a blizzard. Cairngorm Mountains, Scotland, UK. February (non-ex)

Andrew Parkinson / Ptarmigan (Lagopus mutus) male in flight over snow covered Cairngorm Mountains, Scotland, February. (non-ex)

Andrew Parkinson / Pied wagtail (Motacilla alba yarrellii) taking off from snow covered ground. Derbyshire, UK, January (non-ex)

Andrew Parkinson / Pied wagtail (Motacilla alba yarrellii) standing on snow covered ground, with wind blowing snow around, Derbyshire, UK, January (non-ex)

Andrew Parkinson / Nuthatch (Sitta europaea) decending the trunk of Silver Birch (Betula verrucsa) tree, Derbyshire, UK. December (non-ex)

Andrew Parkinson / Mute swan (Cygnus olor) walking across frozen lake during a blizzard. Derbyshire, UK, January (non-ex)

Andrew Parkinson / Mute swan (Cygnus olor) head portrait in profile during a blizzard. Derbyshire, UK, January (non-ex)

Andrew Parkinson / Mute swan (Cygnus olor) walking across a frozen lake during a blizzard. Derbyshire, UK, January (non-ex)

Andrew Parkinson / Mute swan (Cygnus olor) portrait on a lake. Derbyshire, UK, March. (non-ex)

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 / Fulmar (Fulmarus glacialis) in flight, with view straight down a precipitous cliff face, and resting Northern Gannets (Morus bassanus) Shetland Islands, Scotland, UK, May (non-ex)

Andrew Parkinson / Fallow deer (Dama dama) white stag running during the half light before dawn. Leicestershire, UK. December (non-ex)

Andrew Parkinson / Coot (Fulica atra) portrait, revealing the size of its enormous feet as it crosses a frozen lake. Derbyshire, UK, January (non-ex) Highly commended in the Portfolio category of the BWPA Competition 20...

Andrew Parkinson / Brown hare (Lepus europaeus) portrait of an alert adult, backlit by morning light. Derbyshire, UK, March (non-ex)

Andrew Parkinson / Black-headed gulls (Chroicocephalus ridibundus) small flock in winter plumage, backlit by evening sun, taking off from lake. Derbyshire, UK, March (non-ex)

Andrew Parkinson / Blackbird (Turdus merula) male foraging on snow covered ground, during a blizzard. Derbyshire, UK. January (non-ex)

Andrew Parkinson / Barnacle geese (Branta leucopsis) flock flying in dense winter fog. Dumfries and Galloway, Scotland, UK, January (non-ex)

Andrew Parkinson / Avocets (Recurvirostra avosetta) flock of adults in flight at Snettisham RSPB Reserve. Norfolk, UK, September (non-ex)

Andrew Parkinson / Avocets (Recurvirostra avosetta) flock of adults in flight at Snettisham RSPB Reserve. Norfolk, UK, September (non-ex)

Andrew Parkinson / Arctic Skua (Stercorarius parasiticus) in flight, stealing fish from Arctic Tern (Sterna paradisaea). Shetland Islands, Scotland, UK, July. (non-ex)

Andrew Parkinson / Arctic Tern (Sterna paradisaea) in flight chasing Arctic Skua (Stercorarius parasiticus) that has stolen its food. Scotland, UK, July. (non-ex)

Andrew Parkinson / Arctic Skua (Stercorarius parasiticus) pair stealing fish from Arctic Tern (Sterna paradisaea) Shetland Islands, Scotland, UK, July. (non-ex)

Andrew Parkinson / Arctic Skua (Stercorarius parasiticus) pair stealing fish from Arctic Tern (Sterna paradisaea) in flight, Shetland Islands, Scotland, UK, July. (non-ex)

Andrew Parkinson / Arctic Skua (Stercorarius parasiticus) pair almost colliding in flight, as they pursue an Arctic Tern (Sterna paradisaea). Shetland Islands, Scotland, UK, July. (non-ex)

Andrew Parkinson / Pair of Mallard ducks (Anas platyrhynchos) on a lake in dawn, Derbyshire, UK. April (non-ex)

Andrew Parkinson / Mallard (Anas platyrhynchos) male standing on a frozen lake during a snowfall, Derbyshire, UK. (non-ex)

Andrew Parkinson / Magpie (Pica pica) hopping along over snow covered ground. Derbyshire, UK, November (non-ex)

Andrew Parkinson / Pair of Greylag geese (Anser anser) and chicks spotlit by dawn sunlight near a small weir. Nottinghamshire, UK, May (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 / Breeding pair of Great skuas (Stercorarius skua) in a territorial display to warn off approaching Skuas, 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)

Andrew Parkinson / Fulmar (Fulmarus glacialis) rear view of bird hanging in air over steep cliffs, Shetland Islands, Scotland, UK. HIGHLY COMMENDED - Animals in their environment - Wildlife Photographer of the Year c...

Ann & Steve Toon / Ground squirrel (Xerus inuaris) grooming baby, Kgalagadi Transfrontier Park, Northern Cape, South Africa Non-ex.

Ann & Steve Toon / Two Cape Ground squirrels (Xerus inauris) greeting, Kgalagadi Transfrontier Park, South Africa Non-ex.

Andy Rouse / Atlantic salmon (Salmo salar) jumping waterfall during migration to spawn, Scotland, (non-ex)

Andy Rouse / Atlantic salmon (Salmo salar) jumping waterfall during migration to spawn, Scotland. (non-ex)

Andy Rouse / Atlantic salmon (Salmo salar) jumping waterfall during migration to spawn, Scotland, (non-ex)

Andy Rouse / Polar Bear (Ursus maritimus) mother and cub (18 months) walking away after swimming, Svalbard, Norway (non-ex) September 2009. Images 01262527 and 01262528 are cropped from this frame

Andy Rouse / Fieldfare (Turdus pilaris) in flight, Wales, UK (non-ex)

Andy Rouse / Polar Bear (Ursus maritimus) swimming, Svalbard, Norway (non-ex) September 2009. Image 01262526 is cropped from this frame

Andy Rouse / Fieldfare (Turdus pilaris) with feathers fluffed up in snow, Wales, UK (non-ex)

Andy Rouse / Common kingfisher (Alcedo atthis) perched on frost covered branches, UK (non-ex) January. Not available for greetings cards worldwide from 1/2/2013 - 31/1/2015.

Andy Rouse / Polar Bear (Ursus maritimus) mother and cub (18 months) walking away after swimming, Svalbard, Norway (non-ex). This image is a crop of 01262710.

Andy Rouse / Polar Bear (Ursus maritimus) mother and cub (18 months) walking away after swimming, Svalbard, Norway (non-ex). This image is a crop of 01262710

Andy Rouse / Polar Bear (Ursus maritimus) swimming Svalbard, Norway (non-ex). Cropped from image 01262709

Andy Rouse / Fieldfare (Turdus pilaris) in snow, Wales, UK (non-ex) January

Andy Rouse / Robin (Erithacus rubecula) perched in snow, Wales, UK (non-ex) January

Andy Rouse / Robin (Erithacus rubecula) perched in snow, Wales, UK (non-ex) January

Andy Rouse / Blue tit (Parus caeruleus) perched in snow, Wales, UK (non-ex) January

Andy Rouse / Blue tit (Parus caeruleus) perched in snow, Wales, UK (non-ex) January

Andy Rouse / Polar bear (Ursus maritimus) new year cub, 6 months, standing on hind legs, Svalbard, Norway (non-ex) July 2007

Andy Rouse / Polar bear (Ursus maritimus) on pack ice, walking head on, Svalbard, Norway (non-ex) September 2007

Andy Rouse / Polar bear (Ursus maritimus) new year cub, 6 months, standing on hind legs, Svalbard, Norway (non-ex) July 2007

Andy Rouse / Polar bear (Ursus maritimus) new year cub, 6 months, standing on hind legs, Svalbard, Norway (non-ex) July 2007

Andy Rouse / Polar bear (Ursus maritimus) on pack ice, Svalbard, Norway (non-ex) September 2007