Recommended citation
BirdLife International (2025) Species factsheet: White-crowned Sparrow Zonotrichia leucophrys. Downloaded from
https://datazone.birdlife.org/species/factsheet/white-crowned-sparrow-zonotrichia-leucophrys on 03/02/2025.
Recommended citation for factsheets for more than one species: BirdLife International (2025) IUCN Red List for birds. Downloaded from
https://datazone.birdlife.org/species/search on 03/02/2025.