The rhinoceros family is the remains of a prosperous ancient group. Among the existing rhinos, the rhinoceros distributed in Asia is on the verge of extinction. Among them, the number of rhinos in Java is the least, about 50; Rhino is a powerful weapon with one or two horns and has no natural enemies in nature. However, due to the decorative and medicinal value of rhinoceros horn, rhinoceros has been hunted and killed by humans since ancient times, making rhinoceros endangered. Although governments all over the world have taken strict protective measures against them, poaching still occurs frequently. China:

Global: Black rhinoceros: There used to be a huge number, with about 850,000 in the first half of the 20th century. During the period of 1960- 1995, the population dropped sharply, and then rose steadily in some countries. By 20 10, the number of black rhinos is about 4880.

White rhinoceros: As of 20 10, 65438+February, 3 1, there are 20 170 in the wild, and as of 2008, there are 750 captive individuals.

Sumatran rhinoceros: There are about 200 wild rhinoceros and more than 20 captive individuals, living in Malaysia, Indonesia and the United States, and the population is declining.

Javanese rhinoceros: The total population is about 50, and there are no captive individuals. 20 10 became extinct in the wild in Vietnam.

Indian rhinoceros: The estimated number in May 2007 was 2,575, including 378 in Nepal and 2,200 in India. The population is growing.

By March 20th, 20 12, South African officials said that 135 rhinos had been poached, which was one third of the number of rhinos poached in 20 1 1 year.

In 2007, there were 13 rhinos killed in South Africa, which soared to 83 in 2008 and 122 in 2009. In 2065, there were 333 rhinos killed and 438+00 rhinos killed in South Africa.

20 1 1 wwf and the international rhinoceros foundation released a report that the last Javanese rhinoceros in Vietnam was killed by poachers in 20 10.

20 1 1 The International Union for Conservation of Nature (IUCN) announced the extinction of black rhinoceros in West Africa on 1 1. China: In recent years, many city zoos and wild zoos have introduced a certain number of white rhinos for viewing. In June, 20001year, Hangzhou Wildlife Park introduced 6 white rhinos from South Africa and successfully bred their offspring. Three rhinos were raised in Dalian Forest Zoo 10 year. The white rhinoceros farm in Sanya, Hainan, once raised 100 rhinoceros. Shenzhen safari park also raises white rhinoceros. They are also raised in yunnan wild animal park.