Recommended citation
BirdLife International (2023) Species factsheet: Spinus cucullatus. Downloaded from
http://datazone.birdlife.org/species/factsheet/red-siskin-spinus-cucullatus on 25/09/2023.
Recommended citation for factsheets for more than one species: BirdLife International (2023) IUCN Red List for birds. Downloaded from
http://datazone.birdlife.org on 25/09/2023.