According to official website of Chengdu Giant Panda Breeding Research Foundation, the behavior of giant pandas is caused by the narrow and monotonous living environment that can't satisfy their survival instinct (such as wandering around in the wild for food, climbing tall trees to avoid natural enemies, etc.). ), as well as long-term exposure to the noisy environment around people, lead to psychological problems like people, pandas feel bored and helpless, so they show this repetitive behavior. Professionally, this behavior of animals is called "rigid behavior". Therefore, it is not a rigid behavior for giant pandas to climb trees.

Giant panda (scientific name: Ailuropoda melanoleuca): 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, plump and rich, with a round head and a short tail. Head and body length 1.2- 1.8m, tail length 10- 12cm. The weight is 80- 120kg, and the maximum weight can reach 180kg. The body color is black and white, the cheeks are round, there are big "dark circles", the iconic inner eight-character walking, and claws as sharp as scalpels. The skin of the giant panda is thick, and the thickest part can reach10 mm. The black-and-white appearance is conducive to hiding in dense forests and trees covered with snow, and it is not easy to be found by natural enemies.