Recommended citation
BirdLife International (2023) Species factsheet: Ptilopsis leucotis. Downloaded from
http://datazone.birdlife.org/species/factsheet/northern-white-faced-owl-ptilopsis-leucotis on 08/12/2023.
Recommended citation for factsheets for more than one species: BirdLife International (2023) IUCN Red List for birds. Downloaded from
http://datazone.birdlife.org on 08/12/2023.