Rio de Janeiro | Rio Grande do Sul | Rio Grande | Rio de Janeiro (state) | Rio Grande do Norte | Río de la Plata | Rio | Rio Tinto Group | Rio Negro | Natal, Rio Grande do Norte | Rio Tinto | Rio Negro (Amazon) | Rio Grande Valley | Pinar del Río | Río Piedras, Puerto Rico | Rio Branco | Pinar del Río Province | Rio Ferdinand | Universidade Federal do Rio Grande do Sul | Río Negro | Del Rio, Texas | Rio Tinto Alcan | Río Piedras | Río Negro Province | Río Cuarto, Córdoba | Resende, Rio de Janeiro | Río Cuarto | Federal University of Rio de Janeiro | Santa Maria, Rio Grande do Sul | Rio Verde |
Between 1955 and 1956 the ornithologists William Henry Phelps and Alexander Wetmore collected four specimens in the type locality at the hacienda La Providencia at the Rio Chiquita in the south-western part of Táchira, Venezuela.