Celebrating her 37th birthday in enclosure at Ocean Park, Jia Jia claims title of oldest ever panda living in captivityIt may not be considered a landmark birthday for humans, but turning 37 has made Hong Kong’s Jia Jia the oldest ever giant panda in captivity, and she celebrated in style.The equivalent of more than 100 years old in human terms, Jia Jia was presented with a towering birthday cake made from ice and fruit juice with the number 37 carved on top, in her enclosure at the city’s Ocean Park theme park.