Halley, M.R., Klicka, J.C., Clee, P.R.S. & Weckstein, J.D. (2017) 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 (3), 387–404.
https://doi.org/10.11646/zootaxa.4276.3.4