Ingo Arndt / King Penguin (Aptenodytes patagonicus) rookery crowded with nesting birds incubating eggs or protecting their small chicks, Salisbury Plain, South Georgia Island, February 2011

Dong Lei / White-browed Rosefinch (Carpodacus thura) with Tibetan prayer flags featuring the 'wind horse'. Pamuling mountain, Qinghai-Tibetan Plateau, China,

Jabruson / Non biodegradable rubbish in abandoned forest camp. Lokoue, Odzala-Kokoua National Park, Democratic Republic of Congo, May 2004.

Enrique Lopez-Tapia / A child sitting by wall with empty glass bottles, in the small village of Khumnu. Annapurna Sanctuary, central Nepal, November 2011.

Floris van Breugel / Japanese maple (Acer palmatum) leaves floating in a small pond in late autumn in Seattle's Washington Park Arboretum. Washington USA

Steven David Miller / Devils Marbles, Devils Marbles Conservation Reserve, Northern Territory, Australia, June 2010

Kerstin Hinze / Tulips (Tulipa) 'Synaeda Orange', cultivated, Schwerin, Germany

Alex Hyde / Lobster pots on harbourside at night, Tobermory harbour, Isle of Mull, Scotland.

Inaki Relanzon / Star trails above Baobab trees (Adansonia za) at night, Zombitse National Park, Madagascar, June 2010

Konstantin Mikhailov / Alpine meadows with Caucasian scabious (Scabiosa caucasica) in Bezengi gorge, July, 3000m. W-C Caucasus, Kabardino-Balkarskiy nature reserve, Russia

Nick Garbutt / Ox cart and Grandidier's Baobabs (Adansonia grandidieri) Near Morondava, western Madagascar.

Konrad Wothe / Hoverfly collecting nectar in a field of Marguerites (Leucanthemum vulgare), Germany