Konrad Wothe / Firefly (Lamprohiza splendidula) light tracks in forest, Bavaria, Germany

Ashley Cooper / Sunflower next to the PS20 solar thermal tower, the only such working solar tower currently in the world. Sanlucar La Mayor, Andalucia, Spain. May 2011

Ashley Cooper / Heliostats, large reflective mirrors directing sunlight to the PS20 solar thermal tower, the only such working solar tower currently in the world. Sanlucar La Mayor, Andalucia, Spain. June 2011

Ingo Arndt / Christmas Island Red Crabs (Gecarcoidea natalis) crossing closed road, during annual migration, Christmas Island, Indian Ocean, Australian Territory, November 2009.

Edwin Giesbers / Barbary macaque (Macaca sylvanus) baring teeth as a sign of submission, Gibraltar Nature Reserve, Gibraltar,

Colin Monteath/ Hedgehog House / Spinifex Grass (Spinifex sp) on sand dune with footprints, Simpson Desert, Northern Territory, Australia

Anup Shah / Eastern chimpanzee (Pan troglodytes schweinfurtheii) adult male 'Frodo' aged 35 years portrait. Gombe National Park, Tanzania.

Cyril Ruoso / Common woolly monkey (Lagothrix lagotricha) reaching forward, Ikamaperou Sanctuary, Amazon, Peru.

Solvin Zankl / Portuguese Man-of-War (Physalia physalis) close up of tentacles, Sargasso Sea, Bermuda

Solvin Zankl / Sargassumfish (Histrio histrio) swimming near Broad-toothed gulfweed (Sargassum fluitans) Sargassum Community. Sargasso Sea, Bermuda.

Ingo Arndt / European Beaver (Castor fiber) fresh bite marks and felled trees, Spessart, Germany

Vincent Grafhorst / Stalagmites and stalactites in cave chamber, Gcwihaba Caves, Botswana