Dantas, S. M., Weckstein, J. D., Bates, J., Oliveira, J. N., Catanach, T. A. and Aleixo, A. (2021) “Multi-character taxonomic review, systematics, and biogeography of the Black-capped/Tawny-bellied Screech Owl (Megascops atricapilla-M. watsonii) complex (Aves: Strigidae)”, Zootaxa. Auckland, New Zealand, 4949(3), pp. 401–444. doi: 10.11646/zootaxa.4949.3.1.