# Siau Scops Owl

> Possibly extinct small owl known from a single 1866 specimen.

**Wikidata**: [Q775379](https://www.wikidata.org/wiki/Q775379)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Siau_scops_owl)  
**Source**: https://4ort.xyz/entity/siau-scops-owl


## References

1. IOC World Bird List Version 6.3
2. IOC World Bird List Version 7.2
3. IOC World Bird List Version 6.4
4. IOC World Bird List Version 7.1
5. IOC World Bird List Version 7.3
6. IOC World Bird List Version 8.1
7. HBW and BirdLife Taxonomic Checklist v2
8. IOC World Bird List Version 8.2
9. IOC World Bird List Version 9.1
10. IOC World Bird List Version 9.2
11. HBW and BirdLife Taxonomic Checklist v3
12. HBW and BirdLife Taxonomic Checklist v4
13. IOC World Bird List Version 10.1
14. Clements Checklist v2019
15. IOC World Bird List Version 10.2
16. HBW and BirdLife Taxonomic Checklist v5
17. IOC World Bird List Version 11.1
18. IOC World Bird List Version 11.2
19. HBW and BirdLife Taxonomic Checklist v6
20. HBW and BirdLife Taxonomic Checklist v7
21. IOC World Bird List Version 12.1
22. IOC World Bird List Version 12.2
23. IOC World Bird List Version 13.1
24. The IUCN Red List of Threatened Species 2021.3
25. [Siau Scops-Owl (Otus siaoensis), version 1.0](https://birdsoftheworld.org/bow/species/sulsco2/cur/introduction)
26. IUCN Red List
27. Freebase Data Dumps. 2013
28. Integrated Taxonomic Information System
29. Global Biodiversity Information Facility
30. [Source](https://avesdomundo.info/todas-as-paginas/Strigidae)
31. [Source](https://ec.europa.eu/translation/portuguese/magazine/documents/folha66_separata1_pt.pdf)
32. eBird Taxonomy v2019
33. Oiseaux.net
34. [Source](https://www.burung.org/informasi-burung/daftar-spesies-burung-di-indonesia/)
35. Macaulay Library