Recommended citation
BirdLife International (2024) Species factsheet: Black-necked Swan Cygnus melancoryphus. Downloaded from
https://datazone.birdlife.org/species/factsheet/black-necked-swan-cygnus-melancoryphus on 23/12/2024.
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 23/12/2024.