Warbling Antbird - The Guianan Warbling Antbird is found at lower levels in humid forest in the Guianas, far eastern Venezuela and north-eastern Brazil . Its conservation status has not been assessed following the split into several species, but as it generally is common, it is unlikely to be threatened.
Yellow-tipped Antbird - The Imeri Warbling Antbird is a species of bird in the Thamnophilidae family. Until recently, it was considered a subspecies of Hypocnemis cantator, but based on vocal differences and to a lesser degree differences in plumages it has been recommended treating them as separate species. As presently defined, the Imeri Warbling Antbird includes a single subspecies, perflava.
Hypocnemis ochrogyna - The Rondonia Warbling Antbird, Hypocnemis ochrogyna, is a species of bird in the Thamnophilidae family. Until recently, it was considered a subspecies of Hypocnemis cantator, but based on vocal differences and to a lesser degree differences in plumages it has been recommended treating them as separate species. As presently defined, the Rondonia Warbling Antbird is monotypic.
Hypocnemis peruviana - The Peruvian Warbling Antbird, Hypocnemis peruviana, is a species of bird in the Thamnophilidae family. Until recently, it was considered a subspecies of Hypocnemis cantator, but based on vocal differences and to a lesser degree differences in plumages it has been recommended treating them as separate species. As presently defined, the Peruvian Warbling Antbird includes a single subspecies, saturata.
Hypocnemis striata - Spix's Warbling Antbird, Hypocnemis striata, is a species of bird in the Thamnophilidae family. Until recently, it was considered a subspecies of Hypocnemis cantator, but based on vocal differences and to a lesser degree differences in plumage, it has been recommended treating them as separate species. As presently defined, Spix's Warbling Antbird includes two subspecies, H. s. implicata and H. s. affinis. The westernmost population is likely to represent an undescribed subspecies. Spix's Warbling Antbird is found at lower levels in humid forest in the south-eastern Amazon of Brazil.
Sulphur-breasted Antbird - The Yellow-breasted Warbling Antbird is a species of bird in the Thamnophilidae family. Until recently, it was considered a subspecies of Hypocnemis cantator, but based on vocal differences and to a lesser degree differences in plumages it has been recommended treating them as separate species. As presently defined, the Yellow-breasted Warbling Antbird includes a single subspecies, collinsi.