1. China - Giant Panda The giant panda has lived on the earth for at least 8 million years. It is known as a "living fossil" and "China's national treasure". It is the image ambassador of the World Wildlife Fund and a flagship species for the world's biodiversity conservation.

As of January 2021, China's wild population of giant pandas has increased to 1,864.

Giant pandas are endemic to China and their main habitats are the mountainous areas of Sichuan, Shaanxi and Gansu in China.

2. Australia - Koala The koala is Australia's national treasure and a unique and precious primitive arboreal animal in Australia.

Koalas spend most of their time in trees and almost their entire lives in eucalyptus trees.

It spends much of its day sleeping, less than 10% of its time foraging, and the rest of its time mainly spent sitting quietly.

Koalas almost never go to the ground to drink water. They feed on eucalyptus leaves. They can eat many eucalyptus leaves every day and digest well.

Distributed in Australia (New South Wales, Queensland, South Australia, Victoria).

3. India - Asian Elephants Asian elephants were once widely distributed in South Asia and Southeast Asia south of the Yangtze River in China. Now their distribution range has been reduced and they are mainly found in India, Thailand, Cambodia, Vietnam and other countries.

There are also small wild populations in Xishuangbanna, Yunnan Province, China.

African elephants are widely distributed throughout the sub-Saharan African continent (all subspecies in North Africa became extinct around the early 19th century).

Elephants inhabit a variety of habitats, especially jungles, grasslands and river valleys.

4. Russia - Polar bear The polar bear is an animal in the family Ursidae and the largest terrestrial carnivore in the world.

The skin is black and the hair is transparent so it usually looks white, but also has yellow and other colors. It is huge and ferocious.

Polar bears' vision and hearing are equivalent to humans, but their sense of smell is extremely sensitive, seven times that of dogs. When running, the fastest speed can reach 60km/h, which is 1.5 times that of the world's 100-meter champion.

As global temperatures rise, the ice floes in the Arctic gradually begin to melt. The former home of polar bears has been damaged to a certain extent. They are likely to become extinct in the near future and require human protection.

5. Bangladesh - Bengal tiger The Bengal tiger is the most numerous and widely distributed tiger subspecies in the world.

In 1758, the Bengal tiger was designated as the type species of tiger by Swedish naturalist Carl Linnaeus.

Bengal tigers are mainly found in India and Bangladesh and are rare animals in these two countries.

There is a small amount of cross-border distribution in Medog, Tibet, China.