Abstract
Moustached Warbler (Acrocephalus melanopogon), belonging to the genus of Acrocephalus and the family of Acrocephalidae, breeds widely but locally in the warm temperate regions from Northwest Africa and eastern Iberian Peninsula to eastern Kazakhstan. However, this species has never been scientifically recorded in China. On 22 April 2016, a Moustached Warbler was observed in Ulanbuy wetland (43°36′N, 87°43′E; 1114 m a.s.l.), Urumqi, Xinjiang of China. This was the first photography-confirmed record of Moustached Warbler in China. As Moustached Warbler is a songbird, the songs were then recorded on 18 May 2016 using a Sony PCM D-100 recorder and the song characteristics were analyzed using Avisoft-SASLab software. The result showed that the mean maximum frequency of song strophes was 6.64 (±0.47) kHz and the mean minimum frequency of song strophes was 1.72 (±0.14) kHz. This study could considered as a supplement of the checklist of birds in China.
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