Ling Ling (giant panda) is roughly equivalent to 70 years old for a human. According to the Ueno Zoo, Ling Ling was the oldest panda in Japan, as well as the fifth oldest known captive male panda in the world at the time of his death. Ling Ling's portrait and favorite food, bamboo shoots, were displayed in his cage following his death. Zoo visitors left bouquets of flowers and signed condolence registers. Ling Ling's death left the Ueno Zoo without a resident giant panda for the first time in 36 years; since October 1972 when two pandas, Kang Kang and Lan Lan, were given
Chengdu Research Base of Giant Panda Breeding launch (which was estimated in June, 2013). Chengdu Research Base of Giant Panda Breeding Chengdu Research Base of Giant Panda Breeding, or simply Chengdu Panda Base, is a non-profit research and breeding facility for giant pandas and other rare animals. It is located in Chengdu, Sichuan, China. Chengdu Panda Base was founded in 1987. It started with 6 giant pandas that were rescued from the wild. By 2008, it had 124 panda births, and the captive panda population has grown to 83. Its stated goal is to "be a world-class research facility, conservation education center, and international educational tourism destination."