Blunt-winged reed warbler (scientific name: Acrocephalus concinens) is a bird of the family Acrocephalus. In mainland China, it is distributed in Hebei, Shaanxi, Hubei, Jiangxi, Guangxi, Shandong, Jiangsu, Sichuan, Guizhou, Yunnan, Fujian, Guangdong and other places. The type locality of this species is in Beijing.
Blunt-winged reed warbler is a medium-sized monotonous brown reed warbler without vertical stripes. The difference between it and the rice field reed warbler and the Far Eastern reed warbler is that the eyebrow stripe is shorter and there is no second upper eyebrow stripe.
Call: The call is harsh, with a trembling thrrak or tschak sound.