Terry Whittaker / Man being lowered down a cliff to collect seabird eggs, including those of Common guillemots (Uria aalge). Camera attached to helmet, Skoruvikurbjarg cliffs, Langanes Peninsula, Iceland, May.

Terry Whittaker / Man being lowered down a cliff to collect seabird eggs, including those of Common guillemots (Uria aalge). Camera attached to helmet, Skoruvikurbjarg cliffs, Langanes Peninsula, Iceland, May.

Terry Whittaker / Man being lowered down a cliff to collect seabird eggs, including those of Common guillemots (Uria aalge). Camera attached to helmet, Skoruvikurbjarg cliffs, Langanes Peninsula, Iceland, May.

Terry Whittaker / Man being lowered down a cliff to collect seabird eggs, including those of Common guillemots (Uria aalge). Camera attached to helmet, Skoruvikurbjarg cliffs, Langanes Peninsula, Iceland, May.

Claudio Contreras / Boat on canal between chinampas, a wetland agricultural system. Xochimilco wetlands, Mexico City, September

Olga Kamenskaya / Man looking through transparent ice (1m thick) on lake surface to see diver below. Lake Baikal, Russia, March 2008. Model released.

Anup Shah / Lion (Panthera leo) cub aged about 2 years approaching with curiosity - remote wide angle perspective . Masai Mara National Reserve, Kenya. Taken with remote wide angle camera.

Claudio Contreras / View from bangka boat at dawn, Danajon Bank, Central Visayas, Philippines, April 2013

Kirkendall-Spring / Perspective of mountain biker over handlebars, Taylor Canyon, Island In The Sky District. Canyonlands National Park, Utah, October 2012. Model released.

Ernie Janes / Barn owl (Tyto alba) in flight, viewed through car windscreen at night, Norfolk, UK, model released. Digital composite

Anup Shah / African lion (Panthera leo) cubs aged 6-9 months approaching with curiosity watched by their mother, Masai Mara National Reserve, Kenya. February

Anup Shah / African elephant (Loxodonta africana) group drinking from waterhole - wide angle perspective. Masai Mara National Reserve, Kenya. March