Order: Passeriformes | Family: Thamnophilidae | IUCN Status: Least Concern
Age: Adult | Sex: Male|Female | Loc. Amazonian Colombia|Manaus Brazil
Age: Adult | Sex: Male|Female | Loc. Amazonian Brazil | Loreto Peru
Age: Adult | Sex: Male|Female | Loc. Amazonian Brazil|San Martin, Peru
Age: Adult | Sex: Male|Female | Loc. Amazonian Brazil|San Martin, Peru
Status: The Scale-backed Antbird is fairly common and widespread in Amazonia where it is known to range up to 900 m along the foothill of the Andes. It also occurs in Co, Ec, Br, and Bo.
Name in Spanish: Hormiguero de Dorso Escamoso.
Sub-species: Scale-backed Antbird (Willisornis poecilinotus lepidonotus), (P. L. Sclater and Salvin) 1880. SE Colombia (E Cauca, Caquetá, Putumayo, Amazonas), E Ecuador and N & EC Peru (S, W of R Ucayali, to Cuzco).
(Willisornis poecilinotus griseiventris), (Pelzeln), 1868. EC & SE Peru (Ucayali E of middle R Ucayali, Madre de Dios, E Puno), SW Amazonian Brazil (E from R Juruá to both banks of R Madeira and drainage of R Aripuanã, Rondônia, and W Mato Grosso W of R Teles Pires) and N Bolivia (Pando, La Paz, N Beni, NE Santa Cruz).
(Willisornis poecilinotus gutturalis), Todd, 1927. NE Peru (Loreto S of R Amazon and E of lower R Ucayali) and adjacent W Brazil (E to lower R Juruá).
Meaning of Name: Willisornis: In honor of US ornithologist resident in Brazil and Gr. ornis, ornithos= bird. poecilinotus: Gr. Poikilos= spotted and notos, noton= backed, back.

Voice
References:
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- Species range based on: Schulenberg, T. S., D. F. Stotz, and L. Rico. 2006. Distribution maps of the birds of Peru, version 1.0. Environment, Culture & Conservation (ECCo). The Field Museum. http://fm2.fieldmuseum.org/uw_test/birdsofperu on 03/01/2017.
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