# Sylvia subcoerulea orpheana

> subspecies of bird

**Wikidata**: [Q62076154](https://www.wikidata.org/wiki/Q62076154)  
**Source**: https://4ort.xyz/entity/sylvia-subcoerulea-orpheana


## References

1. IOC World Bird List Version 6.4
2. IOC World Bird List Version 7.1
3. IOC World Bird List Version 7.2
4. IOC World Bird List Version 7.3
5. IOC World Bird List Version 8.1
6. IOC World Bird List Version 8.2
7. IOC World Bird List Version 9.1
8. IOC World Bird List Version 9.2
9. IOC World Bird List Version 10.1
10. Clements Checklist v2019
11. IOC World Bird List Version 10.2
12. Avibase
13. Google Knowledge Graph
14. [Bulletin of the British Ornithologists' Club](https://www.biodiversitylibrary.org/page/40591663)
15. IOC World Bird List Version 14.1