Krabbe, N. and T. S. Schulenberg (2020). Plain-backed Antpitta (Grallaria haplonota), version 1.0. In Birds of the World (J. del Hoyo, A. Elliott, J. Sargatal, D. A. Christie, and E. de Juana, Editors). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bow.plbant1.01 retrieved September 3, 2024