Raposo, Marcos A., Guy M. Kirwan, Odirlei Fonseca, Alexandre Pedro Selvatti, Elizabeth Höfling, and Renata Stopiglia. “Towards a More Coherent Taxonomy for the Woodcreepers Xiphorhynchus guttatus and X. guttatoides (Aves: Passeriformes: Dendrocolaptidae)”. Zootaxa 5683, no. 4 (August 22, 2025): 492–512. Accessed August 24, 2025. https://mapress.com/zt/article/view/zootaxa.5683.4.2.