Hunowi, I. 2006. Ghost birds of Sulawesi: surveys and conservation of nightjars and owls. BirdingASIA 6: 7-8.
Sykes, B. 2009. OBC conservation: news update and requests for practical help. BirdingASIA 12: 107-108.
Link to species profile on Search for Lost Birds website
Search for photos and videos, and hear sounds of this species from the Macaulay Library
Recommended citation
BirdLife International (2024) Species factsheet: Siau Scops-owl Otus siaoensis. Downloaded from
https://datazone.birdlife.org/species/factsheet/siau-scops-owl-otus-siaoensis on 25/12/2024.
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 25/12/2024.