Female giant panda Taotao eats birthday cake at Jinan Zoo, Jinan, East China`s Shandong Province October 28, 2007. Taotao, 35, is the eldest giant panda bred in captivity in the world. The average life span of giant panda is about 25 years old. Zoologists say Taotao`s age is equal to that of a 100-year-old human being. Taotao is sluggish with cataract and cardiac disease but has a good appetite. [newsphoto]

Female giant panda Taotao eats birthday cake at Jinan Zoo, October 28, 2007. Taotao, who is at the age of 35, is the eldest giant panda bred in captivity in the world. [newsphoto]  Female giant panda Taotao eats birthday cake at Jinan Zoo, October 28, 2007. Taotao, who is at the age of 35, is the eldest giant panda bred in captivity in the world. [newsphoto]   Tourists celebrate female giant panda Taotao`s 35th birthday at Jinan Zoo, October 28, 2007. Taotao is the eldest giant panda bred in captivity in the world. [newsphoto]