This food lacks nutrition. According to the China Animal Encyclopedia, the panda's staple food is bamboo, which is a kind of food with low nutrition, so the panda is used to saving energy to meet the needs of the body. Giant Panda: A mammal of the genus Giant Panda in Xiong Ke. There are only two subspecies. Males are slightly older than females. Fat as a bear, chubby, with a round head and a short tail.