Alan Williams / Domestic pigeons (Columba livia) flock in flight over houses, Cheshire, UK, June.

John Downer / Lion (Panthera Leo) male, low angle shot, South Africa. Taken on location for 'Pride' tv series.

Barrie Britton / Snow covered fishing boats in Sitka Harbour, Alaska. Photograph taken on location for BBC TV series 'Nature's Great Events', March 2008.

Mark Carwardine / Stephen Fry and Mark Carwardine with Brown lemurs on Lemur Island in Andasibe-Mantadia National Park, eastern Madagascar, while filming for BBC TV series 'Last Chance to See', November 2008

Mark Carwardine / Stephen Fry and Mark Carwadine after a mud bath in Borneo, filming for BBC TV series 'Last Chance to See', March 2009

Barrie Britton / Male Sage grouse (Centrocercus urophasianus) displaying at lek - side view. Wyoming, USA. Picture taken during filming for BBC "Life" TV Series, April 2007

Barrie Britton / Male Sage Grouse (Centrocercus urophasianus) displaying at lek. Wyoming, USA. Picture taken during filming for BBC "Life" TV Series, April 2007

Barrie Britton / Decorated bower of Vogelkop Bowerbird (Amblyornis inornata). Vogelkop Peninsula, West Papua, Indonesia. Picture taken during filming for the BBC "Life" TV Series, September 2008

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

Barrie Britton / Scarlet ibis (Eudocimus ruber) in flight, Caroni Swamp, Trinidad. Picture taken during filming for BBC "Secrets of the Caribbean" TV Series, January 2006

Barrie Britton / Lesser flamingos (Phoenicopterus minor). Lake Bogoria, Kenya. Picture taken during filming for BBC "Life" TV Series, May 2008

Barrie Britton / Whooper swan (Cygnus cygnus) in Bayinbuluke Swan Lake Nature Reserve. Xinjiang, China. Picture taken during filming of BBC "Wild China" TV Series, June 2006.

Barrie Britton / Sunset over winding river in Bayinbuluke Swan Lake Nature Reserve. Xinjiang, China. Picture taken during filming of BBC "Wild China" TV Series, June 2006.

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)

Miles Barton / Panamanian golden frog (Atelopus ziteki) reacting to the image of a frog on a video monitor. Experiment carried out to reveal the purpose of the frog's waving behaviour - to attract mates and deter ri...

Chadden Hunter / Gelada baboon (Theropithecus gelada) group grazing, filmed for the Mountains episode of the BBC tv series Planet Earth, Simien Mountains National Park, Ethiopia, Oct 2003

Chadden Hunter / Dallol hot springs where water heated by magma laden with potassium, sulphur and iron spews up through salt pans staining the salt deposits with vivid colours, in the bottom of the Rift Valley, 120 me...

Andrew Parkinson / Bohemian waxwings (Bombycilla garrulus) perched on a TV aerial, Nottinghamshire, UK, January

Andrew Parkinson / Bohemian waxwings (Bombycilla garrulus) perched on a TV aerial, Nottinghamshire, UK, January

Bruno D'Amicis / Peregrine falcon (Falco peregrinus) adult female flying against the TV tower of Alexanderplatz in the center of Berlin, Germany

Tom Vezo / Magnolia Warbler {Dendroica magnolia} perching on branch in blossom, Long Island, NY, USA.

Tom Vezo / Herding Reindeer / Caribou by helicopter {Rangifer tarandus} Nome, Alaska, USA

Tom Vezo / Scarlet tanager male in breeding plumage (Piranga olivacea) Long Island, USA

Tom Vezo / Lynx in Montana, USA (Felis lynx) captive

Tom Vezo / Grey squirrel {Sciurus carolinensis} carrying vegetation. Long Is, USA

Tom Vezo / American badger {Taxidea taxus} USA captive

Tom Vezo / Caribou / Reindeer calf {Rangifer tarandus} Newfoundland, Canada

Tom Vezo / Siberian Tiger portrait (Panthera tigris altaica) captive

Tom Vezo / Gambel's quail male {Callipepla gambelii} Tucson, Arizona, USA

Tom Vezo / Raccoon swimming {Procyon lotor} Vancouver, BC, Canada

Tom Vezo / Raccoon {Procyon lotor} by tree trunk. Canada.

Tom Vezo / Reddish egret fishing {Egretta rufescens} Arizona, USA

Tom Vezo / Two Lynx kittens {Lynx lynx} USA. Captive

Tom Vezo / Blue grosbeak, male {Guiraca caerulea} Arizona, USA

Tom Vezo / Lynx in Montana, USA (Felis lynx) captive

Tom Vezo / American badger {Taxidea taxus} USA captive

Tom Vezo / Polar bear {Ursus maritimus} sitting beside rocks, Churchill, Manitoba, Canada

Tom Vezo / Raccoons in tree {Procyon lotor} Vancouver, BC, Canada

Tom Vezo / Lynx {Lynx lynx} standing on the branches of a dead tree, USA. Captive

Tom Vezo / Lynx kitten {Lynx lynx} on a rotten log. USA. Captive

Tom Vezo / Arctic fox {Vulpes lagopus} in white phase winter coat, standing on dark rocks. Canada.

Tom Vezo / Summer tanager, male {Piranga rubra} Arizona, USA

Tom Vezo / Green heron with eggs on nest {Butorides virescens} Mexico

Tom Vezo / Harbour / Common seal on beach {Phoca vitulina} California, USA

Tom Vezo / Summer tanager, female with tail frayed from nesting {Piranga rubra} Arizona, USa

Tom Vezo / Green heron {Butorides virescens} Mexico

Tom Vezo / Green heron with frog prey {Butorides virescens} Mexico

Tom Vezo / Green heron {Butorides virescens} Mexico

Tom Vezo / Parakeet Auklet {Aethia psittacula} portrait on a rock, Alaska. Saint Paul Island

Tom Vezo / Tufted puffins {Lunda cirrhata} fighting, Alaska. Saint Paul Island

Tom Vezo / Least tern {Sternula antillarum} standing in water with a fish in bill, USA.

Tom Vezo / Common / Mew gull {Larus canus} portrait on a rock, USA.

Tom Vezo / Black skimmer {Rynchops nigra} in flight, Long Island, USA.

Tom Vezo / Parakeet Auklet {Aethia psittacula} portrait on a rock, Alaska. Saint Paul Island

Tom Vezo / Least tern {Sternula antillarum} settling down onto eggs, Long Island, USA.

Tom Vezo / Laughing gull {Leucophaeus atricilla} in flight, USA.

Tom Vezo / Least tern {Sternula antillarum} stretching wings on the beach, Long Island, USA.

Tom Vezo / Herring gull {Larus argentatus} portrait on a rock, USA.

Tom Vezo / Least Auklet {Aethia pusilla} perched on cliff edge, Alaska. Saint Paul Island

Tom Vezo / Herring gull {Larus argentatus} perched in rock on cliff edge, Newfoundland, Canada

Tom Vezo / Heermann's gull {Larus heermanni} portrait, USA.

Tom Vezo / Least tern {Sternula antillarum} on nest, Long Island, USA.

Tom Vezo / Common tern {Sterna hirundo} in flight, USA.

Tom Vezo / Least tern {Sternula antillarum} on nest, Long Island, USA.

Tom Vezo / Least Auklet {Aethia pusilla} perched on cliff edge, Alaska. Saint Paul Island

Tom Vezo / Western gull {Larus occidentalis} portrait, USA.

Tom Vezo / Tufted puffin {Lunda cirrhata} pair perched on cliff edge, Alaska. Saint Paul Island

Tom Vezo / American coot {Fulica americana} on water surface Florida, USA.

Tom Vezo / Three Common / Mew gull {Larus canus} chicks standing in water, USA.

Tom Vezo / Least tern {Sternula antillarum} eggs in nest, Long Island, USA.

Tom Vezo / Purple gallinule {Porphyrio martinicus} perched in a tree Florida, USA Everglades National Park Florida

Tom Vezo / Least tern {Sternula antillarum} in flight, Long Island, USA.

Tom Vezo / Common/ Mew gull {Larus canus} chick, Alaska

Tom Vezo / Ross's gull {Rhodostethia rosea} portrait on a rock, USA.

Tom Vezo / Tufted puffin {Lunda cirrhata} in flight, USA.

Tom Vezo / Purple gallinule {Porphyrio martinicus} on a water lily in Florida, USA Everglades National Park, Florida

Tom Vezo / Herring gull {Larus argentatus} profile portrait, USA.

Tom Vezo / Tufted puffins {Lunda cirrhata} billing, Alaska. Saint Paul Island

Tom Vezo / Least tern {Sternula antillarum} in flight, Long Island, USA.

Tom Vezo / Arctic tern {Sterna paradisaea} stretching wings, USA.

Tom Vezo / Two Tufted puffins {Lunda cirrhata} perched on cliff edge, Alaska. Saint Paul Island

Tom Vezo / Tufted puffin {Lunda cirrhata} perched on cliff edge, Alaska. Saint Paul Island

Tom Vezo / Crested Auklet {Aethia cristatella} portrait on a rock, Alaska. Saint Paul Island

Tom Vezo / Heermann's gull {Larus heermanni} portrait, USA.

Tom Vezo / Least tern {Sternula antillarum} in flight, Long Island, USA.

Tom Vezo / Laughing gull {Leucophaeus atricilla} portrait in shallow water, USA.

Tom Vezo / Herring gull {Larus argentatus} eggs in nest, Newfoundland, Canada.

Tom Vezo / Two Tufted puffins {Lunda cirrhata} perched on cliff edge, Alaska. Saint Paul Island

Tom Vezo / Parakeet Auklet {Aethia psittacula} calling from a rock, Alaska. Saint Paul Island

Tom Vezo / Least tern {Sternula antillarum} in flight, Long Island, USA.

Tom Vezo / Heermann's gull {Larus heermanni} portrait, USA.

Tom Vezo / Bonapartes gull {Chroicocephalus philadelphia} sitting in nest in a conifer tree, USA.

Tom Vezo / Laughing gull {Leucophaeus atricilla} swallowing large fish, Texas, USA.

Tom Vezo / Western gull {Larus occidentalis} portrait on a rock, USA.