Steven Kazlowski / Young Polar bear (Ursus maritimus) standing and trying to balance in shallow water along the Bernard Spit, 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska, Oc...

Steven Kazlowski / Young Polar bear (Ursus maritimus) standing and trying to balance in shallow water along the Bernard Spit, 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska, Oc...

Steven Kazlowski / Young Polar bear (Ursus maritimus) standing and trying to balance in shallow water along the Bernard Spit, 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska, Oc...

David Noton / Palm trees line the beach at Pigeon Point, Tobago

Ole Jorgen Liodden / Arctic tern (Sterna paradisaea) attacking an Arctic Fox (Vulpes / Alopex lagopus) protecting its nest site, Spitsbergen, Svalbard, Norway. Highly commended, MAMMALS, GDT 2011 competition

Mark Taylor / Two playful Bulldog puppies, 11 weeks.

Andy Rouse / Portrait of a Grizzly Bear (Ursus arctos) cub with paw over face. Katmai, Alaska, USA, September. Not available for ringtone/wallpaper use.

Anup Shah / Bornean Orangutan (Pongo pygmaeus wurmbii) mature male 'Doyok' sitting on bench made for tourists - wide angle perspective. Pondok Tanggui, Tanjung Puting National Park, Central Kalimantan, Borneo, In...

Andy Rouse / Mountain gorilla (Gorilla beringei) silverback in Susa group, Parc National des Volcans, Rwanda

Erlend Haarberg / Mountain hare (Lepus timidus) in spring, Vauldalen, Norway, May.

Klein & Hubert / Three Emperor penguin (Aptenodytes forsteri) chicks walking on pack ice in front of blue iceberg, Antarctica

Klein & Hubert / Three domestic hen chicks perched on an old wooden frame surrounded by dog roses

Klein & Hubert / Three tabby and white kittens, 2 months, on a root, France.

Klein & Hubert / Three tabby and white kittens, 2 months, on a root, France.

Aflo / Stray cats, on black and one tabby, peering out of hole in rusty corrugated iron. Chiyoboinari Shrine, Kaizu, Japan.

Tui De Roy / Nazca booby (Sula granti) portrait, Galapagos, Ecuador.

Tui De Roy / Blue-footed booby (Sula nebouxii) 'dancing' courtship display, Santa Cruz Island, Galapagos, Ecuador.

Jordi Chias / Male Green turtles (Chelonia mydas) inside lagoon, Europa Island, Eparse Islands / Scattered Islands in the Indian Ocean, Mozambique Channel, Indian Ocean.

Denis-Huot / Starving group of Nile crocodiles (Crocodylus niloticus) feeding on Zebra, Masai-Mara game reserve, Kenya.

Hougaard Malan / Green desert valley in morning light after plentiful rains. Namib Rand, Namibia. April 2011.

Ingo Arndt / Grizzly Bear / Coastal Brown Bear (Ursus arctos horribilis) mother with two spring cubs, one riding on her back, Lake Clark National Park, Alaska, USA. June.

Eric Baccega / Polar bear cub 3 months (Ursus maritimus) playing in the front of the day den in march. Wapusk National Park. Churchill, Manitoba, Canada

Juergen Freund / Bioluminescent fungi (Omphalotus nidiformis / Pleurotus nidiformis) glowing on tree trunk in rainforest at night, Atherton Tablelands, Queensland, Australia,

David Pattyn / Little Grebe (Tachybaptus ruficollis) independent fledgling at 46 days, only identified as young by striped head. Feeding on Common Spadefoot (Pelobates fuscus) larvae, The Netherlands, July.

Franco Banfi / Aquatic plants growing on bottom of the main spring at Rio Sucuri, Bonito, Mato Grosso do Sul, Brazil

Alex Hyde / Ash tree leaves (Fraxinus excelsior) photographed in mobile field studio against a white background. Derbyshire, UK. September.

Alex Hyde / Ash Tree (Fraxinus excelsior) growing in a field. Peak District National Park, Derbyshire, UK. August.

Jabruson / Giant Bokoko / Mututtu tree (Klainedoxa gabonensis) near Lokoue Bai, Odzala-Kokoua National Park, Republic of Congo.

Jabruson / Western Gorilla (Gorilla gorilla) silverback skull with butterfly (Belenois theszi). Gorilla diedd from the Ebola Virus, which killed 128 people in the region in 2003 and in 2005 killed 95% of the Gor...

Jabruson / African Crake (Crecopsis egregia) portrait in long grass ,Mboko savannah-forest mozaic, Odzala-Kokoua National Park, Republic of Congo

Angelo Gandolfi / Toco Toucan (Ramphastos toco) beak open with tongue visible while feeding on mango, Brazil

Ernie Janes / Oystercatcher (Haematopus ostralegus) footprints on sand at low tide, Norfolk, England, UK, November.

Jussi Murtosaari / Mute Swans (Cygnus olor) foraging, southwest Finland, February.

Jussi Murtosaari / European brown bear (Ursus arctos arctos) standing on one foot, northern Finland, May.

Jussi Murtosaari / European brown bear (Ursus arctos arctos) scratching its back, northern Finland, June.

David Pattyn / Temperate rainforest scenic with ancient Red cedar tree (Thuja plicata). Pacific Rim National Park, Vancouver Island, British Columbia, Canada, August.

David Pattyn / Flowering Thrift (Armeria maritima) photographed on Great Saltee with a view of the island behind. Great Saltee, Saltee Islands, Co. Wexford, Ireland, June.

Michele Westmorland / Booby (Sula nebouxii) looking at camera underwater, Galapagos Island.

Andy Trowbridge / Atlantic Puffin (Fratercula arctica) in flight, coming into land with beak full of sand eels (Ammodytes tobianus). Fair Isle, Shetland Islands, Scotland, UK, July.

Peter Cairns / Wood patterns in Lodgepole pine (Pinus contorta) Yellowstone National Park, Wyoming, USA, January.

Loic Poidevin / wo juvenile Barn swallows (Hirundo rustica)peched on a twig and begging for food, Indre-et-Loire , France, June.

Fergus Gill / Tree sparrows (Passer montanus) perching on a branch in the rain. Perthshire, Scotland, December.

Mark Taylor / Black Maine Coon kitten and cute Doxiedoodle puppy. NOT AVAILABLE FOR BOOK USE

Juan Carlos Munoz / Red-legged Seriema (Cariama cristata) portrait, captive, Apenheul Park, Netherlands.

Juan Carlos Munoz / Northern Bald Ibis (Geronticus eremita) captive, Apenheul Park, Netherlands.

Juan Carlos Munoz / Black howler monkeys (Alouatta caraya) male and two females calling from tree, captive, Apenheul Park, Netherlands.

Ann & Steve Toon / Harvest mouse (Micromys minutus), captive, UK, June.