Recommended citation
BirdLife International (2024) Species factsheet: Red-faced Warbler Cardellina rubrifrons. Downloaded from
https://datazone.birdlife.org/species/factsheet/red-faced-warbler-cardellina-rubrifrons on 23/11/2024.
Recommended citation for factsheets for more than one species: BirdLife International (2024) IUCN Red List for birds. Downloaded from
https://datazone.birdlife.org/species/search on 23/11/2024.