Paul D Stewart / 1853 illustration of Gorilla, contemporary coloured copperplate engraving from 'Das Buch der Welt' John Weik, Stuttgart. The lowland Gorilla was first accurately described outside Africa by the missio...

Andy Rouse / Grizzly Bear (Ursus arctos horribilis) thrashing a large caught salmon. Katmai, Alaska, USA, August.

Andy Rouse / Grizzly Bear (Ursus arctos horribilis) with caught salmon. Katmai, Alaska, USA, August.

Andy Rouse / Grizzly Bear (Ursus arctos horribilis) standing on hind legs in water with caught salmon. Katmai, Alaska, USA, August.

Jeff Wilson / Aerial view of K2 and glaciated valley of Concordia, Karakoram Mountains, Himalayas, Pakistan. From Pakistani military helicopter for BBC series Planet Earth April 2005

Jeff Wilson / Aerial view of K2 and glaciated valley, Concordia, Karakoram Mountains, Himalayas, Pakistan. From Pakistani military helicopter for BBC series Planet Earth 2005

Donald M. Jones / Sora (Porzana carolina), Savage Lake, Montana

Donald M. Jones / Sora (Porzana carolina), Savage Lake, Montana

Lisa Hoffner / Conservation biologist and founder of the Proyecto Titi conservation programme Anne Savage looking over cattle pasture, which was once prime Cotton-top tamarin habitat. Colombia. South America. July 2...

Lisa Hoffner / Conservation biologist and founder of the Proyecto Titi conservation programme Anne Savage observes a Cotton-top tamarin (Saguinus oedipus) in dry tropical forest of Colombia, South America IUCN List:...

Lisa Hoffner / Conservation biologist and founder of the Proyecto Titi conservation programme Anne Savage radio tracking Cotton-top tamarins (Saguinus oedipus) in dry tropical forest of Colombia, South America IUCN...

Geoff Simpson / Rock Savage Powerstation at night, Shell Oil Refinery, Ellesmere Port Wirral, Cheshire, UK