JIM CLARE / Galapagos hawk (Buteo galapagoensis) perched, Galapagos

Bence Mate / Eastern white pelican (Pelecanus onocrotalus) Danube Delta, Romania

Bence Mate / Close up of Dalmatian pelican (Pelecanus crispus) eye and bill, Danube Delta, Romania

Tim Laman / Yellow-crowned Night Heron (Nyctanassa violacea) standing on lava rock. Santiago Island, Galapagos

John Cancalosi / Researcher tagging White stork chicks at nest {Ciconia ciconia} Spain

Gabriel Rojo / Snowy sheathbill {Chionis alba} Patagonia, Argentina

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

David Tipling / Cock-of-the-rock {Rupicola peruvianus}, male, at lek in cloud forest, Manu Biosphere Reserve, Peru.

Pete Oxford / Cock of the Rock (Rupicola peruvianus) male at lek. Manu cloud forest, Peru, South America

Markus Varesvuo / Common starling (Sturnus vulgaris) portrait, Hungary, May

David Tipling / Al Dawes of the Great Bustard Group fitting a radio transmitter to a Great Bustard (Otis tarda) in preparation for release on to Salisbury Plain, Wiltshire, September 2010

David Tipling / Swallow-tailed Nightjar (Uropsalis segmentata) male roosting during day, Ecuador