Giant panda to digest cellulose is ascribed to the microbes in its gut. Pandas are born with sterile intestines and require bacteria obtained from their mother's feces to digest vegetation. The giant panda is a "highly specialized" animal with "unique adaptations", and has lived in bamboo forests for millions of years. The average giant panda eats as much as 9 to 14 kg (20 to 30 lb) of bamboo shoots a day to compensate for the limited energy content of its diet. Ingestion of such a large quantity of material is possible because of the rapid passage of large amounts of indigestible
Xiang Xiang (giant panda) year after his release. The Xinhua News Agency announced the panda's death May 31, 2007, over three months after the incident occurred, citing "the need for a full investigation" as the reason for the delay. Officials from the Research Center determined that a fall from the trees was the probable cause of death. Scratches on Xiang Xiang's body suggest that he was probably being pursued by other pandas when he fell. Xiang Xiang (giant panda) Xiang Xiang (; August 25, 2001 – February 19, 2007) was the first giant panda to be released into the wild after being bred and