Neil Aldridge / White rhinoceros (Ceratotherium simum) mother and calf, prepare to leave a boma - a secure enclosure - in the Okavango Delta in northern Botswana after being translocated from South Africa as part of...

Steven Kazlowski / An Inupiaq whaling crew prepare to paddle their seal skin boat / umiak, in an open lead in the Chukchi Sea, during spring whaling season, off the Arctic coastal village of Point Hope, Alaska, May 2008

Mark Brownlow / Rebreather instructor Ian Thomas and cameraman Didier Noirot prepare to dive under the ice, Lake Baikal, world's deepest and oldest (and largest by volume) freshwater lake, Siberia, Russia. BBC Plane...

Neil Aldridge / White rhinoceros (Ceratotherium simum) mother and calf prepare to leave a boma - a secure enclosure - in the Okavango Delta, northern Botswana, after being translocated from South Africa as part of ef...

Karine Aigner / Biologist feeding Hermit thrush (Catharus guttatus) a mixture of elderberry powder. This powder is full of an antioxidant called anthocyanin. The anthocynanin is thought to help birds recover from and...

Ashley Cooper / People displaced by flooding at Chiteskesa refugee camp, cooking on a fuel efficient stove. near Mulanje, Malawi. March 2015.

Ashley Cooper / Fire sign in Jindabyne, Snowy Mountains, Australia. February 2010.

Ashley Cooper / Bedouin man cooking bread on an open fire, Sinai Desert, Dahab, Egypt. October 2008.

Ashley Cooper / Seal meat butchered by an Inuit man, Ilulissat, Greenland, July 2008.

Dave Bevan / Flock of Common starlings (Sternus vulgaris) gathering on a pier as they prepare to roost, Ceredigion, Wales, UK, December.

David Pattyn / Verreaux's sifaka (Propithecus verreauxi) pair snuggling close together to prepare for the cold night ahead, Berenty Private Reserve, southern Madagascar.

Jen Guyton / Men prepare their dhow for a late-morning fishing trip off the coast of Mossuril, northern Mozambique. June 2011