Oldest panda Jia Jia's birthday celebrated in Hong Kong
28 July 2015 Last updated at 09:11 BST
At nearly 37 years of age, Jia Jia is thought to be the oldest panda ever kept in captivity.
Celebrations to mark her birthday are taking place at an amusement park in Hong Kong where she has lived since 1999.
Pandas normally live to around 20 years of age in the wild, and 25 in captivity.
Juliana Liu reports.