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Thrush-like schiffornis is a species complex that has been split into five species:

Brown-winged schiffornis, Schiffornis turdina
Russet-winged schiffornis, Schiffornis stenorhyncha
Foothill schiffornis, Schiffornis aenea
Northern schiffornis, Schiffornis veraepacis
Guianan schiffornis, Schiffornis olivacea

Each of these species was split from the species complex by the American Ornithologists' Union in 2013.^[1]

^ Nyári, Á. S. 2007. "Phylogeographic patterns, molecular and vocal differentiation, and species limits in Schiffornis turdina (Aves)". Molecular Phylogenetics and Evolution 44: 154–164