Record number of black-necked cranes arrive at Guizhou's nature reserve
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Every year in early November, the cranes leave breeding grounds in Sichuan, Gansu and other provinces and fly south to Caohai to overwinter. They return north in March.
Caohai, the province's largest natural plateau freshwater lake, is shallow and supports rich biodiversity, which makes it one of the cranes' main wintering sites.
Thanks to a restoration program launched in 2015, the wintering population at Caohai has, in recent years, remained above 2,000.






















