Eric Baccega / Mountain and forest landscape near Wolong Nature Reserve, Sichuan, China, habitat of the giant panda

Eric Baccega / Four subadult giant pandas (Ailuropoda melanoleuca) climbing in a tree, Wolong Nature Reserve, China, captive

Eric Baccega / Giant panda (Ailuropoda melanoleuca) mother and baby, Wolong Nature Reserve, China, Captive

Eric Baccega / Giant panda (Ailuropoda melanoleuca) captive at Wolong Nature Reserve, China

Eric Baccega / Giant panda (Ailuropoda melanoleuca) baby, aged 5 months, Wolong Nature Reserve, China, Captive

Pete Oxford / Giant Panda (Ailuropoda melanoleuca) sitting in vegetation eating bamboo, Wolong China Conservation and Research Center for the Giant Panda within Wolong Reserve, Sichuan Province

Katherine Feng / Giant Panda (Ailuropoda melanoleuca) two cubs touching noses, Wolong Nature Reserve, China

Katherine Feng / Giant Panda (Ailuropoda melanoleuca) cubs arranged to photograph all 16 cubs together, Wolong Nature Reserve, China, sequence 3 of 3

Katherine Feng / Giant Panda (Ailuropoda melanoleuca) sixteen cubs escape photo attempt, Wolong Nature Reserve, China, sequence 2 of 3

Katherine Feng / Giant Panda (Ailuropoda melanoleuca) Gongzhu and cub in bamboo forest, Wolong Nature Reserve, China, digital composite

LYNN M. STONE / Giant panda {Ailuropoda melanoleuca} in habitat, Wolong Nature Reserve, Sichuan, China Captive.

Katherine Feng / Giant Panda (Ailuropoda melanoleuca) baby being weighed on a scale at the China Conservation and Research Center for the Giant Panda, Wolong Nature Reserve, China