Mike Read / Northern goshawk (Accipiter gentilis) male, perched on branch with dead Grey squirrel (Sciurus carolinensis) prey, New Forest National Park, Hampshire, England, UK. February.

Mike Read / Common seal (Phoca vitulina) pup on a shingle bank, Blakeney Point National Nature Reserve, Norfolk, England, UK. September.

Mike Read / Sika deer (Cervus nippon) juvenile stag, standing in tall coastal grass, Arne RSPB Reserve, Isle of Purbeck, Dorset, England, UK. August.

Mike Read / Western hedgehog (Erinaceus europaeus) walking beside a garden wall, Ringwood, Hampshire, England, UK. June.

Mike Read / Fallow deer (Dama dama) herd of does, in open scrubland, New Forest National Park, Hampshire, England, UK. March.

Mike Read / Fallow deer (Dama dama) herd of does, in open scrubland, New Forest National Park, Hampshire, England, UK. March.

Mike Read / New Forest ponies (Equus caballus) running across grassland, being herded by a rider on horseback during the annual 'New Forest drift', near Brockenhurst, New Forest National Park, Hampshi...

Mike Read / New Forest ponies (Equus caballus) running across grassland, during the annual 'New Forest drift', near Brockenhurst, New Forest National Park, Hampshire, England, UK. September.

TJ Rich / New Forest pony (Equus caballus) sleeping in morning sun, New Forest National Park, Hampshire, England, UK. January.

TJ Rich / New Forest pony (Equus caballus) yawning, New Forest National Park, Hampshire, England, UK. January.

TJ Rich / New Forest pony (Equus caballus) resting in morning sunshine, New Forest National Park, Hampshire, England, UK. January.

TJ Rich / New Forest pony (Equus caballus) pregnant mare, portrait, New Forest National Park, Hampshire, England, UK. January.

TJ Rich / New forest pony (Equus caballus) standing in mist on cold winter's morning, New Forest National Park, Hampshire, England, UK. January.

TJ Rich / Fallow deer (Dama dama) walking across grassland at dusk, New Forest National Park, Hampshire, England, UK. May.

TJ Rich / Fallow deer (Dama dama) juvenile, at dusk, New Forest National Park, Hampshire, England. UK. May.

TJ Rich / Fallow deer (Dama dama) melanistic, standing on grassland at dusk, New Forest National Park, Hampshire, England, UK. May.

TJ Rich / New Forest donkeys, female with foal, standing on grassland, touching noses at dusk, New Forest National Park, Hampshire, England, UK. May.

TJ Rich / New Forest donkeys, female with foal, walking side by side, New Forest National Park, Hampshire, England, UK. May.

TJ Rich / New Forest ponies (Equus caballus) mare, grazing alongside sleeping foal, New Forest National Park, Hampshire, England, UK. May.

TJ Rich / New Forest ponies (Equus caballus) mare with suckling foal, New Forest National Park, Hampshire, England, UK. May.

TJ Rich / Donkeys, female grazing alongside sleeping foal, New Forest National Park, Hampshire, England, UK. May.

TJ Rich / New Forest pony (Equus caballus) mare, walking over grassland, New Forest National Park, Hampshire, England, UK. May.

TJ Rich / Two Donkeys mutually grooming, New Forest National Park, Hampshire, England, UK. May.

TJ Rich / New Forest pony (Equus caballus) piebald, grazing by frozen puddles, New Forest National Park, Hampshire, England, UK. January.

TJ Rich / New Forest pony (Equus caballus) skewbald, grazing by frozen puddles, New Forest National Park, Hampshire, England, UK. January.

TJ Rich / Two New Forest ponies (Equus caballus) grazing by frozen puddles, New Forest National Park, Hampshire, England, UK. January.

Erlend Haarberg / Polar bear (Ursus maritimus) female with two cubs, walking across the last remnants of fjord ice close to water's edge, Svalbard, Norway. July.

Shane Gross / Sea otters (Enhydra lutris) resting on drifting iceberg in Columbia Bay, Alaska, USA, Pacific Ocean. June.

Shane Gross / Sea otters (Enhydra lutris) resting on drifting iceberg in Columbia Bay, Alaska, USA, Pacific Ocean. June.

Shane Gross / Harbour seal (Phoca vitulina) resting on iceberg at base of Columbia Glacier, Alaska, USA, Pacific Ocean. June.

Shane Gross / Black bear (Ursus americanus) looking for food along shoreline, Prince William Sound, Alaska, USA. July.

Shane Gross / Tourist enjoying encounter with Lemon shark (Negaprion brevirostris) pups in Red mangrove (Rhizophora mangle) nursery, Eleuthera island, Bahamas, North Atlantic Ocean.

Shane Gross / Lemon shark (Negaprion brevirostris) pup swimming by Red mangrove (Rhizophora mangle) nursery on Eleuthera island, Bahamas, North Atlantic Ocean.

Shane Gross / Lemon shark (Negaprion brevirostris) pup swimming through Red mangrove (Rhizophora mangle) nursery, Eleuthera Island, Bahamas, North Atlantic.

Shane Gross / Lemon shark (Negaprion brevirostris) pup swimming through Red mangrove (Rhizophora mangle) nursery, Eleuthera Island, Bahamas, North Atlantic.

Shane Gross / Lemon shark (Negaprion brevirostris) pup swimming through Red mangrove (Rhizophora mangle) nursery, Eleuthera Island, Bahamas, North Atlantic.

Shane Gross / Lemon shark (Negaprion brevirostris) pup swimming through Red mangrove (Rhizophora mangle) nursery, Eleuthera Island, Bahamas, North Atlantic.

Shane Gross / Lemon shark (Negaprion brevirostris) pup swimming through Red mangrove (Rhizophora mangle) nursery, Eleuthera Island, Bahamas, North Atlantic.

Shane Gross / Lemon shark (Negaprion brevirostris) pup and school of fish swimming through Red mangrove (Rhizophora mangle) nursery, Eleuthera Island, Bahamas, North Atlantic.

Shane Gross / Lemon shark (Negaprion brevirostris) pup swimming through Red mangrove (Rhizophora mangle) nursery, Eleuthera Island, Bahamas, North Atlantic.

Doug Gimesy / Large Grey-headed flying fox (Pteropus poliocephalus) aggregation flying over Melbourne city skyline at dusk, Kew, Victoria, Austrailia, March.

Doug Gimesy / Large Grey-headed flying fox (Pteropus poliocephalus) aggregation flying over Melbourne city skyline at dusk, Kew, Victoria, Austrailia, March.

Terry Whittaker / Arctic fox (Vulpes lagopus), female blue colour morph in winter coat, walking across snow covered landscape. Baited with small amount of natural food (dried fish).Hornstrandir, Iceland. February.

Terry Whittaker / Arctic fox (Vulpes lagopus), female blue colour morph in winter coat, close up. Baited with small amount of natural food (dried fish).Hornstrandir, Iceland. February.

Terry Whittaker / Two Arctic foxes (Vulpes lagopus), females blue colour morphs in winter coat, fighting. Baited with small amount of natural food (dried fish).Hornstrandir, Iceland. February.

Terry Whittaker / Arctic fox (Vulpes lagopus), female blue colour morph in winter coat, walking through blizzard. Baited with small amount of natural food (dried fish). Hornstrandir, Iceland. February.

Terry Whittaker / Arctic fox (Vulpes lagopus), female blue colour morph in winter coat, sheltering from wind on shed. Baited with small amount of natural food (dried fish). Hornstrandir, Iceland. February.

Terry Whittaker / Arctic fox (Vulpes lagopus), female blue colour morph in winter coat, walking across snow covered landscape. Baited with small amount of natural food (dried fish).Hornstrandir, Iceland. February.

Terry Whittaker / Arctic fox (Vulpes lagopus), female blue colour morph in winter coat, walking across snow covered landscape. Baited with small amount of natural food (dried fish).Hornstrandir, Iceland. February.

Terry Whittaker / Arctic foxes (Vulpes lagopus), male and female blue colour morph in winter coat, covered in snow. Baited with small amount of natural food (dried fish). Hornstrandir, Iceland. February.

Terry Whittaker / Arctic fox (Vulpes lagopus), female blue colour morph in winter coat, walking across snow covered landscape. Baited with small amount of natural food (dried fish). Hornstrandir, Iceland.February.

Terry Whittaker / Arctic fox (Vulpes lagopus), female blue colour morph in winter coat, during snow blizzard. Baited with small amount of natural food (dried fish). Hornstrandir, Iceland. February.

Terry Whittaker / Arctic fox (Vulpes lagopus), female blue colour morph in winter coat, walking through snow blizzard. Baited with small amount of natural food (dried fish). Hornstrandir, Iceland. February.

Terry Whittaker / Two Arctic foxes (Vulpes lagopus), females blue colour morphs in winter coat, fighting. Baited with small amount of natural food (dried fish). Hornstrandir, Iceland. February.

Terry Whittaker / Arctic fox (Vulpes lagopus), female blue colour morph in winter coat, digging in snow for food. Baited with small amount of natural food (dried fish). Hornstrandir, Iceland. February.

Terry Whittaker / Arctic fox (Vulpes lagopus), female blue colour morph in winter coat, sheltering from wind on shed. Baited with small amount of natural food (dried fish). Hornstrandir, Iceland. February.

Terry Whittaker / Arctic fox (Vulpes lagopus), female blue colour morph in winter coat, walking across snow covered landscape. Baited with small amount of natural food (dried fish). Hornstrandir, Iceland. February.

Terry Whittaker / Arctic fox (Vulpes lagopus), female blue colour morph in winter coat, walking across snow covered landscape. Baited with small amount of natural food (dried fish). Hornstrandir, Iceland. February.

John Waters / Eurasian hedgehog (Erinaceus europaeus) emerging from hole drilled into wall dividing urban gardens, part of initiative to create 'Hedgehog Highways' to increase accessibility of urban gardens to hedg...

Daniel Heuclin / Black-tailed jackrabbit (Lepus californicus) moving, Joshua tree national park, California, USA.

Daniel Heuclin / Black-tailed jackrabbit (Lepus californicus) resting in shade of bush, Joshua tree national park, California, USA.

Doug Gimesy / Grey-headed flying-fox bat (Pteropus poliocephalus) in flight, Yarra Bend Park, Victoria, Australia.

Doug Gimesy / Grey-headed flying-fox bats (Pteropus poliocephalus) in flight around trees in their colony roost, Adelaide Botanical Gardens, South Australia.

Daniel Heuclin / Black-tailed jackrabbit (Lepus californicus) sitting, Joshua tree national park, California, USA.

Doug Gimesy / Grey-headed flying-fox bat (Pteropus poliocephalus) in flight, Yarra Bend Park, Victoria, Australia.

Doug Gimesy / Grey-headed flying-fox bat (Pteropus poliocephalus) in flight just after dipping in water, with water dripping off, Yarra Bend Park, Victoria, Australia.

Doug Gimesy / Baby Common ringtail possum (Pseudocheirus peregrinus) on branch of Eucalyptus tree at night, Victoria, Australia. NO flash used, continuous soft lighting.

Doug Gimesy / Lesser long-eared bat (Nyctophilus geoffroyi) found between horse rugs in barn, Victoria, Australia, No flash, ambient lighting.

Doug Gimesy / Grey-headed flying-fox bat (Pteropus poliocephalus), male licking female's genitals, Yarra Bend Park, Victoria, Australia. Cropped.

Doug Gimesy / Road warning sign signalling Koalas (Phascolarctos cinereus) in vicinity?, Mount Macedon, Victoria, Australia.

Doug Gimesy / Grey-headed flying-fox bat (Pteropus poliocephalus) hanging upside down from branch, looking down, Yarra Bend Park, Victoria, Australia. Cropped.

Doug Gimesy / Pair of Grey-headed flying-fox bats (Pteropus poliocephalus) mating, Yarra Bend Park, Victoria, Australia.

Doug Gimesy / Grey-headed flying-fox bat (Pteropus poliocephalus) hanging upside down from branch, looking down, Yarra Bend Park, Victoria, Australia. Cropped.

Doug Gimesy / Grey-headed flying-fox bat (Pteropus poliocephalus) hanging from branch looking down with wing extended, Yarra Bend Park, Victoria, Australia. Cropped.

Doug Gimesy / High-key portrait of Grey-headed flying-fox bat (Pteropus poliocephalus) hanging upside down, Yarra Bend Park, Victoria, Australia.

Doug Gimesy / Portrait of Grey-headed flying-fox bat (Pteropus poliocephalus) hanging from branch with wing extended, Yarra Bend Park, Victoria, Australia.

Doug Gimesy / Portrait of Grey-headed flying-fox bat (Pteropus poliocephalus) hanging upside down from branch, Yarra Bend Park, Victoria, Australia.

Doug Gimesy / Pair of Grey-headed flying-fox bats (Pteropus poliocephalus) mating, Yarra Bend Park, Victoria, Australia. Cropped.

Doug Gimesy / Pair of Grey-headed flying-fox bats (Pteropus poliocephalus) mating, Yarra Bend Park, Victoria, Australia.

Doug Gimesy / Grey-headed flying-fox bat (Pteropus poliocephalus), female, hanging the other way to defecate or urinate, Yarra Bend Park, Victoria, Australia. Cropped.

Doug Gimesy / Grey-headed flying-fox bat (Pteropus poliocephalus), male licking female's genitals, Yarra Bend Park, Victoria, Australia.

Doug Gimesy / Grey-headed flying-fox bat (Pteropus poliocephalus), male licking female's genitals, Yarra Bend Park, Victoria, Australia.

Doug Gimesy / Grey-headed flying-fox bat (Pteropus poliocephalus), male licking female's genitals, Yarra Bend Park, Victoria, Australia.

Henley Spiers / Sticklebacks (Gasterosteidae) sheltering beneath a Beaver (Castor fiber) dam in river, Devon, UK. March.

Lucas Bustamante / Galapagos sea lion (Zalophus wollebaeki) diving, Wolf Island, Galapagos Islands, Pacific Ocean.

Lucas Bustamante / Andean bear / Spectacled bear (Tremarctos ornatus) looking down from a branch in the cloudforest, Maquipucuna, Pichincha, Ecuador.

Lucas Bustamante / Galapagos sea lion (Zalophus wollebaeki) resting on beach getting caught in foamy tide, Espanola Island, Galapagos Islands, Ecuador.

Lucas Bustamante / Puma (Puma concolor) walking with the Torres del Paine mountains in background, Torres del Paine National Park, Magallanes, Chile.

Lucas Bustamante / Puma (Puma concolor) female, grooming her cub, Torres del Paine National Park, Magallanes, Chile.

Henley Spiers / Spinner dolphin (Stenella longirostris) superpod, Eastern Pacific Ocean.

Henley Spiers / Spinner dolphin (Stenella longirostris) superpod, Eastern Pacific Ocean.

Andy Rouse / African lioness (Panthera leo) walking towards camera at sunset, Amboseli National Park, Kenya

Lorraine Bennery / Ring-tailed lemur (Lemur catta) female with infant, high up in tree, basking in the sun at dawn, Berenty Private Reserve, Madagascar.

Lorraine Bennery / Verreaux's sifaka (Propithecus verreauxi) leaping, Berenty Private Reserve, Madagascar. Critically endangered.

Ben Hall / Red deer (Cervus elaphus) stag in early evening light, portrait, Cheshire, UK. July.

Ben Hall / Two Red deer (Cervus elaphus) stags, fighting during the rut, Cheshire, UK. July.