Martin Dohrn / Pride of fifteen Lions listening for sounds of prey animals in the night. Image taken using 'Starlight Camera' technology abnd infra red light. Serengeti NP, Ngorongoro Conservation Area, Tanzania, Ea...

Anup Shah / Herd of Wildebeest crossing river, Masai Mara GR, Kenya

Richard Du Toit / African elephants {Loxodonta africana} beside river with dark storm clouds behind, Savute Chobe NP, Botswana

Tony Heald / Wildebeest crossing the flood plain {Connochaetes taurinus} Etosha NP, Namibia

Igor Shpilenok / Kamchatka Brown bear (Ursus arctos beringianus) feeding on spawning salmon, Kronotsky River, Kamchatka, Russia.

Martin Dohrn / Panoramic of short grass plains with wildebeest and zebra grazing, Serengeti NP, Ngorongoro Conservation Area, Tanzania, East Africa

DAVID TIPLING / Black browed albatross nesting colony {Thalassarche melanophrys} Steeple Jason Island, Falklands - largest albatross colony in the world - 155,000 pairs

Richard Du Toit / Cape gannet colony {Morus capensis} Bird Is, Lamberts Bay, South Africa

DAVID TIPLING / Adelie penguins on iceberg {Pygoscelis adeliae} Paulet Island, Antarctica

DAVID TIPLING / Rock Ptarmigan {Lagopus mutus} profile walking in snow, Scottish Highlands, UK. Winter plumage

Terry Andrewartha / Polar bear mother and cub {Ursus maritimus} Hudson bay, Canada

Jeff Vanuga / Pronghorn antelope herd {Antilocapra americana} migrating through snow, Wyoming,

Geoff Simpson / Red grouse {Lagopus lagpus scoticus} on rock overlooking moorland Scotland

Pete Cairns / Golden eagle {Aquilachrysaetos} looking over Cairngorms NP, Scotland - captive bird

DAVID TIPLING / Red-breasted Geese {Branta ruficollis} flying over farmland, Bulgaria.

Markus Varesvuo / Barnacle Geese (Branta leucopsis) flying through morning mist. Helsinki, Finland. September

Carol Walker / Horses (Equus Caballus) running to water during a horse drive at Sombrero Ranch, Craig, Colorado.

Jorma Luhta / Common cranes in morning mist {Grus grus} Finland

Jorma Luhta / Capercaillie males displaying to females at lek in woodland, Finland

Pete Cairns / Bison foraging in snow beside Old Faithful geyser, Yellowstone, Wyoming, USA

David Tipling / King penguin colony {Aptenodytes patagoni} adults and chicks, St Andrews Bay, South Georgia

David Tipling / King penguin colony {Aptenodytes patagoni} adults and chicks, South Georgia

GEORGETTE DOUWMA / Bigeye snappers {Lutjanus lutjanus} Andaman sea, Thailand, digital composite

Mark Taylor / Whooper Swans (Cygnus cygnus) flying against Aurora borealis at sunrise, Finland. Digital composite