Recommended citation
BirdLife International (2023) Species factsheet: Setophaga fusca. Downloaded from
http://datazone.birdlife.org/species/factsheet/blackburnian-warbler-setophaga-fusca on 05/12/2023.
Recommended citation for factsheets for more than one species: BirdLife International (2023) IUCN Red List for birds. Downloaded from
http://datazone.birdlife.org on 05/12/2023.