Halley, Matthew R., John C. Klicka, Paul R. Sesink Clee, and Jason D. Weckstein. “Restoring the Species Status of Catharus maculatus (Aves: Turdidae), a Secretive Andean Thrush, With a Critique of the Yardstick Approach to Species Delimitation”. Zootaxa 4276, no. 3 (June 13, 2017): 387–404. Accessed April 4, 2025. https://mapress.com/zt/article/view/zootaxa.4276.3.4.