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