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13:34 Mar 08 2010

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Nature reserve in Qinghai sees earlier bird migration
13:33, March 08, 2010  

File photo shows white swans flying at the Gahai-Zega National Nature Reserve, in Gannan Tibetan Autonomous Prefecture, northwest China's Gansu Province. (Xinhua Photo)

Migrant birds inhabiting in Gahai, Gannan Tibetan Autonomous Prefecture, northwest China's Gansu Province, have begun to migrate about ten days earlier than usual due to the warming weather.

According to Zhang Yong, deputy director of the Ganhai Protection Station of the Gahai-Zega National Nature Reserve, some 300 white swans and tens of thousands of wild ducks and other species of birds that spent the winter at the reserve began to migrate at the beginning of March, instead of around March 20 in the past years.

Meanwhile, the migrant birds flying back to the reserve from the south were first seen on Feb. 26.

A major reason for this is the fast warming of the spring, as indicated by the analysis of the station.

Located at an average altitude of 3,000 m on the northeast of the Qinghai-Tibet Platuea, the reserve covers a total area of 2,474.31 sq km. It is considered a major reservoir for water storage on the upper reaches of the Yellow River.

Founded in 1998, the reserve is Qinghai's fourth national reserve with ecological functions approved by China's State Council. It is also home to the national first-class endangered black-necked cranes and quite a large number of migrant birds such as gruses, egrets and grey herons.

Source: Xinhuanet

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