Thứ Ba, 7 tháng 2, 2012

Przewalski's horse

  
The Life of Animals | Przewalski's horse | The world population of these horses are all descended from 9 of the 31 horses in captivity in 1945. These nine horses were mostly descended from approximately 15 captured around 1900. The total number of these horses According to a 2005 census was about 1.500 In the wild, Przewalski's horses live in social groups consisting of a dominant stallion, a dominant lead mare, other Mares, and Their offspring. The patterns of Their daily lives exhibit horse behavior similar to That of feral horse herds. Each group has a well-defined home range; within the range, the herd travels Between 3 miles (4.8 km) and 6 miles (9.7 km) a day, spending time grazing, drinking, using salt licks and dozing.


The stallions can frequently be seen sniffing dung piles to confirm scent markings. While Dozens of zoos worldwide have Przewalski's horses in small numbers, there are also specialized reserves dedicated primarily to the species. The world's largest captive breeding program for Przewalski's horses is at the Askania Nova preserve in Ukraine. An intensely researched population of free-ranging animals was also introduced to the Hortobágy Puszta in Hungary; data on social structure, behavior, and diseases gathered from these animals is used to improv the Mongolian conservation effort. Several American zoos also collaborated in breeding Equus przewalskii ferrous from 1979 to 1982.


Eleven horses were introduced in 1993 into a fenced remote upland areas, the which formed Themselves into family groups and Bred, the population reaching 50 by 2003. In 2004 and 2005 horses from this group were sent to Mongolia. In 2011 there 31 individuals left in France The Przewalski's Horse Reintroduction Project of China was initiated in 1985 when the country introduced 11 wild horses from overseas. After more than two Decades of dedicated Efforts, the Xinjiang Wild Horse Breeding Center managed to breed a large number of the horses, of the which 55 were let loose into the Kalamely Mountain area. In 2001 there were over 100 horses at the center.

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