Raposo, M. A., Kirwan, G. M., Fonseca, O., Selvatti, A. P., Höfling, E., & Stopiglia, R. (2025). Towards a more coherent taxonomy for the woodcreepers Xiphorhynchus guttatus and X. guttatoides (Aves: Passeriformes: Dendrocolaptidae). Zootaxa, 5683(4), 492–512. https://doi.org/10.11646/zootaxa.5683.4.2