Ann & Steve Toon / Yellow mongoose (Cynictis penicillata) adult with young, Kgalagadi Transfrontier Park, South Africa, January

Roland Seitre / Spanish / Iberian Lynx (Lynx pardina) female with cub, part of a breeding and reintroduction program. Captive: critically endangered. Andalusia, Spain, June 2006.

Steven Kazlowski / polar bear, Ursus maritimus, sow with newborn spring cubs newly emerged from their den, mouth of Canning River along the Arctic coast, eastern Arctic National Wildlife Refuge, Alaska

Roland Seitre / Woman interacting with tame Roan Antelope (Hippotragus equinus). Toubacouta, Senegal.

Roland Seitre / Tasmanian Devil (Sarcophilus harrisii) playing with its handler. Captive. Gosford, New South Wales, Australia.

Roland Seitre / Tasmanian Devil (Sarcophilus harrisii) sniffing its handler. Captive. Gosford, New South Wales, Australia. Sequence 1 of 2.

Roland Seitre / Spanish / Iberian Lynx (Lynx pardina) mother and cub, part of a breeding and reintroduction program. Captive: critically endangered. Andalusia, Spain, June 2006.

John Cancalosi / White-tailed Deer (Odocoileus virginianus) doe grooming her young fawn. New York State, USA, June.

Kevin Schafer / Silky sifaka (Propithecus candidus) pair in tree, Marojejy National Park, Madagascar, Endangered species