Isler, Morton L., and Bret M. Whitney. “Species Limits in the Genus Thamnistes (Aves: Passeriformes: Thamnophilidae): An Evaluation Based on Vocalizations”. Zootaxa 4291, no. 1 (July 11, 2017): 192–200. Accessed April 3, 2025. https://mapress.com/zt/article/view/zootaxa.4291.1.12.