Recommended citation
BirdLife International (2023) Species factsheet: Trachyphonus vaillantii. Downloaded from
http://datazone.birdlife.org/species/factsheet/crested-barbet-trachyphonus-vaillantii on 03/12/2023.
Recommended citation for factsheets for more than one species: BirdLife International (2023) IUCN Red List for birds. Downloaded from
http://datazone.birdlife.org on 03/12/2023.