Ben Hall / Black-headed gull (Larus ridibundus) alighting on water at dawn, Cheshire, UK, November. Highly Commended in the British Wildlife Photography Awards (BWPA) competition 2013.
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Michael Pitts / Lake Assal shoreline - Africas lowest point at 515 feet below sea level, Djibouti, , March 2008
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Juergen Freund / Aerial view of the flooded Lake Eyre National Park. South Australia, June 2011
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Juan Carlos Munoz / Aerial image showing light reflected off the deep blue of the sea around the Bahamas archipelago, Caribbean, February 2012
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Ole Jorgen Liodden / Top of iceberg. Southern Ocean, Antarctica, November.
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Eric Baccega / Melting ice at Floe Edge, Arctic Bay, Baffin Island, Nunavut, Canada, April 2009.
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Fergus Gill / Osprey (Pandion haliaetus) flying through a rainbow. Aviemore, Scotland, July.
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Andrew Parkinson / Ptarmigan (Lagopus mutus) male in flight over snow covered Cairngorm Mountains, Scotland, February. (non-ex)
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Juan Carlos Munoz / Aquatic plants in water, Donana NP, Andalucia, Spain
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Eric Baccega / Devon Island, under cloud covered sky, Nunavut, Canada. August 2010
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Onne van der Wal / Tethered tender floating on clear waters in the Exumas, Bahamas, Caribbean. June 2009.
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Peter Cairns / Rock ptarmigan (Lagopus mutus) pair in winter plumage, Cairngorms NP, Grampian Mountains, Scotland, UK, February.