Bronnen, noten en/of referenties
- ↑ (en) Gill F, D Donsker & P Rasmussen (Eds). 2023. IOC World Bird List (v13.1). DOI:10.14344/IOC.ML.13.1
- ↑ Banks et al. (2003) citeren: Marshall, J.T. & King, B. in Amadon, D. & Bull, J. (1988), Haws and owls of the world: A distributional and taxonomic list. Proceedings of the Western Foundation of Vertebrate Zoology 3: 296-357.
- ↑ Zie bijvoorbeeld Wink, M. & Heidrich, P. Molecular Evolution and Systematics of the Owls (Strigiformes) in König et al. (1999), Owls: A Guide to the Owls of the World. Yale University Press. Zie ook South American Classification Committee (SACC) (2003), Elevate subgenus Megascops (New World Otus) to full generic status Proposal (#58) to South American Check-list Committee.
- ↑ Zie bijvoorbeeld Banks, R.C. et al. (2003), Forty-fourth supplement to the American Ornithologists' Union Check-list of North American Birds in The Auk 120(3): 923-931.