IUCN threat status:

Near Threatened (NT)

Distribution

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Range Description

Locustella pryeri is known to breed at six localities on Honshu, in the prefectures of Aomori, Akita, Ibaraki and Chiba, Japan; in Jiangxi, Jiangsu and probably in Heilongjiang and Liaoning, China, and at Lake Khanka, Russia. Surveys in 2007 at Poyang Lake, Jiangxi, China indicated the presence of a potentially large population, estimated to be up to 5,000 pairs, 1,500 of which are within Nanjishan National Nature Reserve (He Fen-qi in litt. 2007, X. Huang in litt. 2007), and it has recently been found breeding on the Yangtze estuary (Jiangsu province) (S. Chan in litt. 2009) and in the Shanghai area (H. F. Cheung in litt. 2008). In 2001 it was breeding in Japan at Lower Iwaki-gawa (c.37-142 breeding males), Hotokenuma (35-448 breeding males), lower reach of Tonegawa (69-375 breeding males), Byoubusan area (nine singing males) and Ukishima (68-30 individuals in 1998) (Ueda 2003, K. Kato in litt. 2006). Its population at Ogata-sogen (58-122 breeding males in the late 1970s) has declined and recently disappeared (K. Kato in litt. 2006). It winters in Honshu and the Shikoku Islands, Japan and the Yangtze basin, China. There are a few records from eastern Mongolia and South Korea and it almost certainly occurs in North Korea. The population in Japan is estimated to be c.2,500 birds (Ueda 2003, K. Kato in litt. 2006).

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Source: IUCN

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