Anup Shah / Lesser flamingos {Phoeniconaias minor} performing 'wing salute' as part of courtship display, the wings are spread out to the side of the body and held in this position for several seconds, making the...

Gavin Hellier / Elevated view of the new Dubai skyline of modern architecture and skyscrapers including the Burj Khalifa on Sheikh Zayed Road, Dubai, United Arab Emirates 2011. No release available.

Gavin Hellier / Elevated view over traditional houses in Chinatown, Singapore, 2012. No release available.

Jack Dykinga / Bark patterns of Aspen tree (Populus tremula) in front of a Ponderosa pine (Pinus ponderosa) trunk, Kaibab National Forest, Arizona, USA

Andy Sands / Small emperor moth (Saturnia pavonia) male below female both displaying eyespots on Gorse, Captive, UK, April

Andy Sands / Clouded yellow butterfly (Colias crocea) On Wild sweet pea flower, Captive, UK, July

Jean E. Roche / Aerial view of old basins used for concentrating magnesium sulphate (MgSO4) in the salt pans at Salin de Giraud, Camargue, Southern France

Juan Carlos Munoz / Northern lights / Aurora borealis, Iceland, Europe, March 2012

Juergen Freund / Split level of snorkeler over coral reef on white sandy seabed contrasting with dry topside landscape in background, Komodo NP, Indonesia, August 2009. Model released.

Florian Möllers / House sparrow (Passer domesticus) breeding in the cannon tube of a tank at the Russian War Monument, Unter den Linden, Berlin, Germany, June 2007

Orsolya Haarberg / Patterns of sand, ice and volcanic ash on the slope of the Reykjafjoll mountain, Fjallabak Nature Reserve, Iceland, sunset, August 2010

Juan Carlos Munoz / Viper's bugloss (Echium vulgare) flowering in an olive grove. Sierra de Andujar Natural Park, Jaen, Andalusia, Spain, April 2010