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Migratory birds fly northbound after wintering in SW China

Source: Xinhua| 2018-03-09 16:16:28|Editor: pengying
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CHINA-GUIZHOU-BLACK-NECKED CRANES (CN)

Black-necked cranes fly over the Caohai national nature reserve in southwest China's Guizhou Province, March 9, 2018. Migratory birds began to fly northbound after wintering in Caohai. (Xinhua/He Huan)

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KEY WORDS: Migratory birds
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