Erlend Haarberg / Eight Rock ptarmigans (Lagopus muta) with snow blowing in wind, Norway, February

Wild Wonders of Europe / Hermans / Raven (Corvus corax) Cliffs of Moher, Republic of Ireland, June 2009

Wild Wonders of Europe / Hermansen / Raven (Corvus corax) in flight, silhouetted, The Burren, County Clare, Republic of Ireland, June 2009

Wild Wonders of Europe / Hermansen / Raven (Corvus corax) in flight, The Burren, County Clare, Republic of Ireland, June 2009

David Tipling / Eleonora's Falcon (Falco eleonarae) pale morph Cyprus, September

Bence Mate / Head portrait of Common cormorant (Phalacrocorax carbo) on water in the rain, Pusztaszer, Kiskunsagi National Park, Hungary

Bence Mate / Male Red-footed falcon (Falco vespertinus) perching on branch in rain, Hortobagyi National Park, Hungary

Bence Mate / Female Red-footed falcon (Falco vespertinus) perching on branch in rain, Hortobagyi National Park, Hungary

Bence Mate / Head portrait of Black vulture (Coragyps atratus) in the rain, Santa Rita, Costa Rica

Roger Powell / Northern gannets (Morus bassanus) flying above breeding colony, Great Saltee Island, Wexford, Republic of Ireland, June

Erlend Haarberg / Red knot (Calidris canutus) flock feeding on coastal rocks with wind blowing waves, Snaefellsnes Peninsula, Iceland, May 2010

David Woodfall / Common starling (Sturnus vulgaris) standing on stone wall with ruffled feathers, UK, November

Charlie Summers / King Penguin chicks (Aptenodytes patagonicus) huddling together in blowing snow for safety as they await the return of their parents from the sea. Gold Harbor, South Georgia, South Atlantic Islands

David Woodfall / Large flock of wintering Black Tailed Godwit (Limosa limosa) at the RSPB reserve on the Dee estuary with Rhyl flats wind turbines in the background, Flintshire, Wales, UK

Wild Wonders of Europe / Hermans / Common raven (Corvus corax) in flight, Cliffs of Moher, County Clare, Republic of Ireland, June 2009

Shattil & Rozinski / Moonset over Lake Ladona in winter, Rocky Mt Arsenal NWR, Colorado, USA,

Shattil & Rozinski / Ring necked pheasant {Phasianus colchicus} male in winter, Colorado, USA

Steve Knell / Jay (Garrulus glandarius) pair in heavy snow storm. Norway, January 2007

DAVID TIPLING / Snow bunting {Plectrophenax nivalis} in winter, Scotland, UK

DAVID TIPLING / Snow bunting {Plectrophenax nivalis} in winter.