Recommended citation
BirdLife International (2025) Species factsheet: Papuan Harrier Circus spilothorax. Downloaded from
https://datazone.birdlife.org/species/factsheet/papuan-harrier-circus-spilothorax on 10/01/2025.
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 10/01/2025.