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 organizations in improving ways to conserve giant pandas. For example, its partnership with Zoo Atlanta helped the zoo secure the loan of 2 giant pandas. To date, these 2 giant pandas, Yang Yang and Lun Lun, have produced five off-spring: Mei Lan in 2006, Xi Lan in 2008, Po born on November 3, 2010 and Mei Lun and Mei Huan in 2013. Other research partners include: On April 11, 2013 Chengdu Research Base of Giant Panda Breeding and CNTV reached an agreement on the establishment of iPanda.com after an official signing ceremony, and they immediately started preparing for the test