Suzi Eszterhas / Rescued Chimpanzee (Pan troglodytes) within cage, Ngamba Island Chimpanzee Sanctuary, Uganda, Africa. Captive, June 2009.

Tony Heald / African bull elephant guarding body of dead elephant {Loxodonta africana} Kaokoland, Namibia

Suzi Eszterhas / Black-handed Spider Monkey (Ateles geoffroyi ornatus) with eyes and mouth wide, part of visual communication between spider monkeys in response to threats, Osa Peninsula, Costa Rica

Diane McAllister / Japanese Macaque (Macaca fuscata) mother holding her baby in snowstorm, Jigokudani, Japan.

Enrique López-Tapia / Two Dong women, one laughing, in a dark room, Sanjiang Dong Village in the province of Guangxi, China. April 2009. Winner of the Photographer of the Year, Portrait Category, 4th Pollux Awards, 2012

Claudio Contreras / Mountain lion (Puma concolor) yawning, captive.

Claudio Contreras / Gulf grouper (Mycteroperca jordani), IUCN Endangered, Cabo Pulmo National Park, Sea of Cortez (Gulf of California), Mexico, July

Claudio Contreras / California condor (Gymnogyps californianus), IUCN Critically Endangered, captive.

Claudio Contreras / Flag cabrilla (Epinephelus labriformis), Cabo Pulmo National Park, Sea of Cortez (Gulf of California), Mexico, July

Claudio Contreras / Balloonfish (Diodon holocanthus), Cabo Pulmo National Park, Sea of Cortez (Gulf of California), Mexico, July

Ernie Janes / Yellow Labrador portrait in studio

Rick Tomlinson / The crew of "Telefonica Black" greet family and friends after arriving in Cape Town in 8th (last) place with a broken rudder and bow sprit, November 2008. The 10th Volvo Ocean Race, 2008-2009. For EDI...