The rufous-tailed attila (Attila phoenicurus) is a species of bird in the family Tyrannidae, the tyrant flycatchers.It is a breeding resident in southern Paraguay and Brazil; also extreme northeast Argentina. It migrates northwestwards into the central Amazon Basin of North Region, Brazil in the austral winter and is also found in northeast border regions Bolivia and southern Venezuela during its wintering.Its natural habitats are subtropical or tropical moist lowland forests and subtropical or tropical moist montane forests.
A molecular genetic study published in 2020 found that the rufous-tailed attila is sister to the cinnamon attila (Attila cinnamomeus).[1]