Blunt-winged Warbler (Acrocephalus concinens) [XC292608]
by Li-Kai Yen from Makunda Christian Hospital, Karimganj, Assam, India (song)
Blunt-winged Warbler (Acrocephalus concinens) [XC412340]
by Mike Kilburn from Dongyin, Lienjiang, Taiwan, Taiwan, Taiwan (song)
Subspecies
Forms a superspecies with White-browed Reed-Warbler (Acrocephalus tangorum) and Paddyfield Warbler (Acrocephalus agricola), and has been treated as conspecific with Paddyfield Warbler (Acrocephalus agricola). Differs from both, and also from Black-browed Reed-Warbler (Acrocephalus bistrigiceps), in combination of plumage characters and biometrics.
The following 3 subspecies are recognised:
haringtoni Witherby, 1920 - Breeds from northern Afghanistan east to Kashmir.
stevensi Baker, ECS, 1922 - North-eastern India (plains of R Brahmaputra, in Assam) and adjacent parts of Bangladesh and Myanmar.
concinens (Swinhoe, 1870) - Breeds northern and central parts of eastern China. Non-breeding mainly southern Myanmar and northern Thailand.