Barrie Britton / Male Vogelkop bowerbird (Amblyornis inornata) inspects the decorations outside his bower. Vogelkop Peninsula, West Papua, Indonesia. Picture taken during filming for BBC "Life" TV Series, September 20...

Barrie Britton / Male Vogelkop bowerbird (Amblyornis inornata) outside his decorated bower. Vogelkop Peninsula, West Papua, Indonesia. Picture taken during filming for BBC "Life" TV Series, September 2008

Ernie Janes / English Springer spaniel running over beach at low tide, August, UK

Ernie Janes / English Springer Spaniel running, Norfolk, UK

Anup Shah / Impala herd (Aepyceros melampus) huddled together in the rain, Masai Mara National Reserve, Kenya. April

Eric Baccega / Moose (Alces alces) head portrait of bull standing in forest clearing, Cap Breton Highlands National Park, Nova Scotia, Canada, September

David Welling / Brown-headed Cowbird (Molothrus ater) male perched on Cattail, Anahuac National Wildlife Refuge, Texas, USA, June

Ernie Janes / Suffolk Punch heavy horse in field resting head another's back, UK, September

Ernie Janes / Domestic dog, Pointer on guard in cottage garden, Norfolk, UK, July 2008

Ernie Janes / Boer domestic goat (Capra hircus) waiting to be fed, Norfolk, UK, September

Ernie Janes / Domestic beef cattle in winter rearing shed, Scotland, UK, November 2007

Ernie Janes / Suffolk Punch heavy horses in field, UK, September

Russell Cooper / Male Speckled wood butterfly (Pararge aegeria) sunning on leaf, South London, UK, August

Angelo Gandolfi / Brown Bear (Ursus arctos) climbing tree, South Carpathian mountains, Romania

Angelo Gandolfi / Brown Bear (Ursus arctos) Abruzzo National Park, Italy, December

Angelo Gandolfi / Brown Bear (Ursus arctos) cubs, with paws leaning on car window, South Carpathian mountains, Romania

Edwin Giesbers / Orang utan (Pongo pygmaeus) baby sleeping in the arms of an adult, Semengoh Nature reserve, Sarawak, Borneo, Malaysia, Endangered

LYNN M. STONE / Hungarian Vizsla portrait amongst autumn foliage, Connecticut, USA

Carol Walker / Summerland Beach, Ojai, CA, horse, purebred bay Azteca stallion running in water

Petra Wegner / Cavalier King Charles Spaniel, three puppies resting on cushion bed, blenheim and tricolour, 5 weeks

Petra Wegner / Cavalier King Charles Spaniel, two puppies on grass, blenheim and tricolour, 5 weeks

Petra Wegner / Two Cavalier King Charles Spaniel, puppies, blenheim and tricolour, 9 weeks, sitting

Laurent Geslin / Brown Hyaena (Hyaena brunna) running. Skeleton Coast, Namibia

Laurent Geslin / Brown bear (Ursus arctos) climbing over wall to reach rubbish bins. Brasov, Romania.

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)

Bence Mate / Three Brown-hooded Parrots (Pyrilia haematotis) one taking off from branch, in the rain Laguna del Lagarto, Santa Rita, Costa Rica

Alex Mustard / California sea lion pup (Zalophus californianus) portrait in a rocky underwater cave. La Paz, Baja California Mexico. Sea of Cortez, East Pacific Ocean. October

Alex Mustard / Two Florida manatee (Trichechus manatus latirostrus) surfacing to breathe, in morning light. Three Sisters Spring, Crystal River, Florida. USA. January

Kim Taylor / Pygmy x Golden Guernsey female goat kid, standing on hind legs.

Winfried Wisniewski / Brown Pelican (Pelecanus occidentalis) landing, San Diego, California

Roger Powell / Stone Curlew (Burhinus oedicnemus) pair walking through a flower meadow, Castro Verde, Portugal, April

Alex Hyde / Lined Leaf-tailed Gecko {Uroplatus lineatus} showing darker nocturnal colouration, camouflaged amongst dead palm fronds. Masoala Peninsula National Park, north east Madagascar.

Dietmar Nill / European hare (Lepus europaeus) mating pair boxing in field, Slovakia

Dietmar Nill / European hare (Lepus europaeus) pair boxing in field, Slovakia

Alex Hyde / Fosa / Fossa (Cryptoprocta ferox) male prowling in dry deciduous forest, Kirindy Forest, Western Madagascar, IUCN vulnerable species.

Gerrit Vyn / Western Sandpipers (Calidris mauri) and Dunlin (Calidris alpina) roosting during spring migration. Gray's Harbor County, Washington, USA, April.

Andy Rouse / Dipper (Cinclus cinclus) portrait, standing on exposed stone, in fast flowing freshwater river, Brecon Beacons National Park, Wales, UK

Gerrit Vyn / Flock of oiled Brown Pelicans (Pelecanus occidentalis) on a beach behind an oil covered containment boom. This nesting colony is the largest in Louisiana and was heavily contaminated by the BP Deepwat...

Petra Wegner / Small Munsterlander head portrait.

Petra Wegner / Great Dane, black coated bitch, and Magyar Vizsla /Hungarian Pointer, tan coated male, double portrait in profile together.

Petra Wegner / Magyar Vizsla / Hungarian Pointer, head portrait of smooth coated, tan coloured male, sitting.

Edwin Giesbers / European Brown Bear (Ursus arctos) head portrait, with mouth open, captive.

Edwin Giesbers / European Brown Bear (Ursus arctos) head portrait, with mouth open, captive.

Michel Roggo / Lake trout (Salmo trutta lacustris) morph of the Brown Trout, Europe

Michel Roggo / Lake trout (Salmo trutta lacustris) morph of Brown Trout, jumping up waterfall on migration to spawning ground, Lac de Neuchtel, Switzerland 2006

Michel Roggo / Marble trout (Salmo trutta marmorata) morph of the Brown Trout, at spawning ground, Tolminka river, Slovenia, 2005

Michel Roggo / Marble trout (Salmo trutta marmorata) morph of the Brown Trout, female at spawning ground, Tolminka river, Slovenia, 2005

Michel Roggo / Marble trout (Salmo trutta marmorata) morph of the Brown Trout, male and female at spawning ground, Tolminka river, Slovenia, 2005

Michel Roggo / Brown trout (Salmo trutta fario) waiting for drift food, river Doubs, France, 2004

Michel Roggo / Brown trout alevins (Salmo trutta fario) in a hatchery, Europe, Captive

Michel Roggo / Brown trout (Salmo trutta fario) eggs in a hatchery, Europe, Captive

Michel Roggo / Brown trout (Salmo trutta fario) amongst reeds, Gacka River, Croatia, 1987

Michel Roggo / Brown trout (Salmo trutta fario) egg, Aare river, Switzerland, 1991

Michel Roggo / Brown trout (Salmo trutta fario) under waterfall, waiting for drift food, Saane river tributary, Swiss Alps, Fribourg, Switzerland 2006

Laurent Geslin / Group of Wild Boar (Sus Scrofa) trotting through forest of Rambouillet, near Paris, France. Autumn.

Nick Garbutt / Stump-tailed Leaf Chameleon (Brookesia superciliaris) on white background, from rainforest leaf-litter. Masoala National Park, Madagascar.

Anup Shah / Olive baboon (Papio cynocephalus anubis) baby aged 3-6 months playing with an older juvenile Masai Mara National Reserve, Kenya. March.

Rolf Nussbaumer / Western Cottonmouth snake (Agkistrodon piscivorus leucostoma) on lake flicking tongue. Fennessey Ranch, Refugio, Coastal Bend, Texas Coast, USA

Rolf Nussbaumer / Checkered Garter Snake (Thamnophis marcianus marcianus) coiled with tongue protruding. Fennessey Ranch, Refugio, Corpus Christi, Coastal Bend, Texas Coast, USA

Edwin Giesbers / Balearic orchid (Ophrys balearica) flowers, Menorca, Balearic Islands, Spain, Europe

Tim Laman / Rufous-sided sticky frog (Kalophrynus pleurostigma) on the ground in the lowland rainforest, Bako National Park, Sarawak, Borneo, Malaysia

Tim Laman / Head portrait of Bornean Horned Frog (Megophrys nasuta) among the leaf litter in the lowland rainforest of Borneo. Danum Valley Conservation Area, Sabah, Malaysia

Stephen Dalton / Owl butterfly (Caligo eurilochus) sheltering from rain

Stephen Dalton / Black witch moth (Ascalapha odorata) in flight

Robert Thompson / Buff arches moth (Habrosyne pyritoides) resting on branch, camouflaged, Lackan Bog, Ballyroney, County Down, Northern Ireland, UK, July

Stephen Dalton / Close up of feathers of the Cock pheasant (Phasianus colchicus) UK

Jeff Rotman / Detail of dorsal fin of Bluespine Unicornfish (Naso Unicornis) Red Sea, Egypt

Stephen Dalton / Close up of eye of Domestic dog, Alsatian or German shepherd breed, UK

Kristel Richard / Two riders on horses (Equus caballus) from the Gremio di Falegnamii, dressed in traditional costume, parade before the start of the Sartiglia (race to the star) in Oristano, Sardinia, Italy. February...

Kristel Richard / Head portrait of a Classic pony stallion (Equus caballus) and one of his mares, in Auvergne, France.

Kristel Richard / A Sika deer stag rests among a band of wild Misaki-uma horses (Equus ferus caballus) in the Cape Toi Reserve, Miyazaki Prefecture, Kyushu Island, Japan.

Kristel Richard / A Kathiawari mare (Equus caballus) standing in Junagadh National Stud, Gujarat, India.

David Tipling / Brown hare (Lepus europaeus) sitting out blizzard in stubble field, Norfolk, England January

David Tipling / Brown Hares (Lepus europaeus) in snow covered field, Yare Valley, Norfolk, England, January

Niall Benvie / Head portrait of Highland cow, Scotland, with tiny frond of bracken at corner of mouth, UK

Edwin Giesbers / Big close up of the eyes of a European Brown bear (Ursus arctos) captive

LYNN M. STONE / Portrait of German Shorthair Pointer in thicket of pink berries, Illinois, USA

LYNN M. STONE / Portrait of male Boxer, light brindle coloured with natural ears, standing by lake shore, Illinois, USA

LYNN M. STONE / HeaPair of male Boxers fawn coloured with natural ears, sitting by lake in Autumn, Illinois, USA

Stephen Dalton / Ello sphinx moth (Erinnyis sp) in flight. Venezuelan cloudforest, South America.

Stephen Dalton / Brown rat (Rattus norvegious) silhoutted in sewage piping, UK, controlled conditions

Stephen Dalton / Hawk moth (Erinnyis sp) in flight. From Venezuelan cloudforest.

Nick Garbutt / Stump-tailed Leaf Chameleon (Brookesia superciliaris) in rainforest leaf-litter, eyes pointing in different directions. Masoala National Park, Madagascar.

Kristel Richard / Wild horse / mustang (Equus caballus) two young mustangs play-fighting in the Pryor Mountains, Wyoming, USA.

Patricio Robles Gil / Brown bear (Ursus arctos) sitting, captive, Seoul Zoo

Wild Wonders of Europe / Widstrand / Eurasian Brown bears {Ursus arctos} fighting in water, Kuikka, Kuhmo, Finland. July 2008, USED IN NATIONAL GEOGRAPHIC WILD WONDERS ARTICLE, MAY 2010

Edwin Giesbers / Grass snake {Natrix natrix} coiled, the Netherlands

Edwin Giesbers / Copperhead snake {Agkistrodon contortrix} captive, from USA

Guy Edwardes / View from Pilsdon Pen at dawn, Broadwindsor, Dorset, England, July 2006

Nick Garbutt / Grizzly Bears (Ursus arctos horribilis) footprint along the Atnarko River, Tweedsmuir Park, British Columbia, Canada, September 2009

Nick Garbutt / Male Grizzly bear (Ursus arctos horribilis) fishing for salmon, Atnarko River, Tweedsmuir Park, British Columbia, Canada, September

Guy Edwardes / Close-up of Weeping polypore (Inonotus dryadeus) pores, Uplyme, Devon, England, August

Guy Edwardes / Garden tiger moth (Arctia caja) on leaf, Uplyme, Devon, England, July

Wild Wonders of Europe / Widstrand / Eurasian brown bear (Ursus arctos) looking out from behind tree, Suomussalmi, Finland, July 2008

Wild Wonders of Europe / Widstra / Eurasian brown bear (Ursus arctos) rubbing back against tree, Suomussalmi, Finland, July 2008