Chinese alligator, Chinese alligator? (Fauvel, 1879), or tuó, is a crocodile of alligator. It is a unique crocodile in China and one of the smallest crocodile species in the world. It is not only ancient, but also a very rare reptile, which is on the verge of extinction in the world. Because it lives in the Yangtze River valley, it is called "Chinese alligator". Many features of dinosaurs and reptiles can still be found in Chinese alligators. Therefore, people call the Chinese alligator a "living fossil".
Therefore, alligator sinensis is of great significance for people to study the rise and fall of ancient reptiles and the evolution of paleogeology and biology. China has listed the Chinese alligator as a national first-class protected animal, and killing is strictly prohibited. In order to keep this precious animal alive, China has also established nature reserves and artificial farms for Chinese alligators in Anhui and Zhejiang provinces. Chinese alligators are reptiles and lay eggs.
2. Giant panda
Giant panda (scientific name: Ailuropoda melanoleuca): the only mammal belonging to the genus Ailuropoda of Xiong Ke, a carnivore, with a head length of 1.2- 1.8m and a tail length of 10- 12cm. The weight is 80- 120kg, and the maximum weight can reach 180kg. It is black and white, with round cheeks, big dark circles, chubby body, iconic walking posture, with eight characters in it and claws as sharp as scalpels. Is one of the cutest animals in the world.
Giant pandas have lived on the earth for at least 8 million years and are known as "living fossils" and "national treasures of China". It is the image ambassador of WWF and the flagship species of global biodiversity conservation. According to the third national wild panda population survey, there are less than 1600 wild pandas in the world, which belong to the national first-class protected animals. By the end of 2011/the number of giant pandas in captivity in China was 333. Giant pandas eat meat at first. After evolution, 99% of their food is bamboo, but their teeth and digestive tract remain intact and they are still classified as carnivores. When they are angry, they are as dangerous as other bear species. The life span of giant pandas in the wild is 18-20 years old, and they can be over 30 years old in captivity.
3. Tibetan antelope
Tibetan antelope (scientific name: Pantholops hodgsonii): body length 135cm, shoulder height 80cm, weight 45-60kg, female slightly smaller. The head is wide and long, the snout is thick, and the nose is wide and slightly lifted. Males have long black horns.
Habitat in alpine grasslands, meadows and alpine desert areas at an altitude of 3700-5500 meters, foraging in the morning and evening, good at running. Can form a large group of tens of thousands of people. In summer, females will migrate northward along a fixed route. It is in a sub-zero environment all the year round and is a national first-class protected animal. Qiangtang, Hoh Xil, Sanjiangyuan and other nature reserves have been established, which are mainly distributed in the Qinghai-Tibet Plateau (Qinghai, Tibet and Xinjiang) with Qiangtang as the center in China, with a small amount in Ladakh.
4. black-necked crane
Black-necked crane (scientific name: Grus nigricollis) is a large wading bird with a body length of110/20cm and a weight of 4-6kg. The body feathers are grayish white, the head, front neck and flight feathers are black, and the tail feathers are brownish black. The exposed area in front of the head is dark red, and the feathers of the third-level flight feathers are scattered, and they exceed the first-level flight feathers when the wings are closed.
Inhabits in swamps, lakes and floodplains at an altitude of 2500-5000 meters, and mainly feeds on plant leaves, rhizomes, sparganium, tubers, algae, corn and sand. It breeds in Ladakh, Tibet, Qinghai, Gansu and northern Sichuan in China, and overwinters in northeastern India, southern Tibet in China, Guizhou and Yunnan. It is the only crane in the world that grows and breeds on the plateau.
Fly over Mount Everest, the highest mountain in the world, with a flying height of10000m.
5.giant salamander
Chinese giant salamander (Andrias davidianus): It is a kind of giant salamander, commonly known as giant salamander, an amphibian living in fresh water. This is a precious wild animal, a specialty of China. It is usually called "giant salamander" because it cries like a baby at night. But it is not a fish, but the largest amphibian, with a body length of about 1 m, a maximum length of 2 meters, and a weight of 20-25 kg, and a maximum of 50 kg. The color of the body changes with the color of the living environment. The back is brown, reddish brown, dark brown, etc. It has dark irregular spots and its abdomen is light brown or grayish white.
The earliest fossil in the world was unearthed in Inner Mongolia, China, about 654.38+65 million years ago. 1988 "People's Republic of China (PRC) wildlife protection law" lists it as a national second-class protected wild animal in China, which is one of the national treasures of China. Xinhua News Agency, Washington, 2065438+May 2, 20081:Researchers from Kunming Institute of Zoology, Chinese Academy of Sciences and other institutions found that the endangered Chinese giant salamander, commonly known as the "giant salamander", is not a species, and there may be 5-8 species.
Refer to Baidu Encyclopedia-Black-necked Crane
Baidu encyclopedia-baby fish
Baidu encyclopedia-Tibetan antelope
Baidu encyclopedia-giant panda
Baidu encyclopedia-alligator sinensis