Giant pandas have survived on the earth for at least 800 years Wannian, known as "living fossil" and "Chinas national treasure", is the image ambassador of the World Wildlife Fund and is the flagship species of the worlds biodiversity conservation. According to the third national giant panda wild population survey, there are less than 1,600 wild giant pandas in the world, which are classified as first-level protected animals in China. As of October 2011, the number of giant pandas in captivity nationwide was 333. Giant pandas originally ate meat. After evolution, 99% of their food is bamboo, but their teeth and digestive tract remain the same, and they are still classified as carnivorous. The life span of giant pandas in the wild is 18 to 20 years, and they can exceed 30 years in captivity.
The giant panda is a species endemic to China, and its main existing habitats are the mountainous areas of Sichuan, Shaanxi and Gansu in China.