Heather Angel / Giant panda (Ailuropoda melanoleuca) portrait, in falling snow. Captive bred, in enclosure, Panda Breeding Centre, Wolong, Sichuan Province, China. February 2008.

Suzi Eszterhas / Giant panda (Ailuropoda melanoleuca) sitting with Bamboo in background. Shenshuping Panda Base, Wolong Nature Reserve, Wenchuan, Sichuan Province, China. Captive.

John Chan / Juvenile California least tern (Sternula antillarum browni) begging for food from a decoy, used to attract breeding pairs to deserted nest sites, Huntington Beach, California, USA, June.

Eric Baccega / Giant panda (Ailuropoda melanoleuca) cub playfuly chewing a bamboo stick. Yuan Meng, first giant panda ever born in France, is now 10 months old and still feeds on his mother's milk, Captive at Beauva...

Eric Baccega / Giant panda cub (Ailuropoda melanoleuca) portrait Yuan Meng, first giant panda ever born in France, age 10 months. Captive at Beauval Zoo, Saint Aignan sur Cher, France

Eric Baccega / Giant panda (Ailuropoda melanoleuca) cub playing on wooden structure. Yuan Meng, first giant panda ever born in France, age 10 months, Captive at Beauval Zoo, Saint Aignan sur Cher, France

Eric Baccega / Giant panda (Ailuropoda melanoleuca) cub playing on wooden structure. Yuan Meng, first giant panda ever born in France, age 10 months, Captive at Beauval Zoo, Saint Aignan sur Cher, France

Eric Baccega / Giant panda (Ailuropoda melanoleuca) cub exploring during its outings in the enclosure. Yuan Meng, first giant panda ever born in France, age 10 months, Captive at Beauval Zoo, Saint Aignan sur Cher,...

Eric Baccega / Giant panda (Ailuropoda melanoleuca) female, Huan Huan, out in her enclosure in mist, Captive at Beauval Zoo, Saint Aignan sur Cher, France. The mist is created artificially by machine, in order to cr...

Eric Baccega / Giant panda (Ailuropoda melanoleuca) female, Huan Huan, out in her enclosure in mist, Captive at Beauval Zoo, Saint Aignan sur Cher, France The mist is created artificially by machine, in order to cr...

Gerrit Vyn / Mature male California Condor (Gymnogyps californianus) used for the captive breeding program to restore this critically endangered species. Idaho. February.

Cyril Ruoso / Inmates of the Cedar Creek Corrections Center raising endangered Oregon spotted frog (Rana pretiosa) Prisoners in this facility are raising endangered frogs for release in the wild, as part of the Sus...