IUCN threat status:

Endangered (EN)

Distribution

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Range Description

Acrocephalus sorghophilus has occurred on passage in Liaoning, Hebei, Hubei, Jiangsu, Fujian and Beijing in eastern China, and Taiwan (China), where there are eight confirmed records (Yang Liu in litt. 2007). There are winter records from the Philippines, where it is very localised and rare. There are records from Candaba and Dalton Pass (Luzon), although there have been no records from Dalton Pass since 1970 and the species has been very scarce at Candaba since the mid-1990s (P. Round et al. in litt. 2008), despite increasing observer effort (D. Allen in litt. 2012). There has also been an increase in observer effort at migration watch sites in eastern China, but records remain scant (D. Allen in litt. 2012). It is presumed to breed in north-eastern China (probably in Hebei, Liaoning, Jilin and Heilongjiang provinces) and adjacent areas of Russia, namely the Amur region (Kennerley and Pearson 2010). There was a relatively recent record of a singing male at Muraviovka (Russia) (P. Fabien in litt. 2004), although a subsequent search of the site failed to find any individuals (P. Leader in litt. 2007). There have been very few records of this species on passage since the late 1990s, with only about five noted in Beijing and Hebei during migration seasons in the four-year period 2008-2011 (Yang Liu in litt. 2012). The frequency of records is declining, with 18 sightings of a total of 69 birds in 1981-1990, compared with only 11 sightings of 22 birds in 1991-2007 (Round and Allen 2010).

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Source: IUCN

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