The Acre antshrike (Thamnophilus divisorius) is a member of the antbird family (Thamnophilidae). Its closest relatives are the streak-backed antshrike and the Amazonian antshrike (Whitney et al. 2004). It was discovered in 1996 in the Acre Arch uplands in the state of Acre in Brazil, and described as a species new to science in 2004. It is found i...