# Motacilla alba yarrellii

> subspecies of bird

**Wikidata**: [Q769697](https://www.wikidata.org/wiki/Q769697)  
**Source**: https://4ort.xyz/entity/motacilla-alba-yarrellii


## 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. eBird Taxonomy v2018
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. IOC World Bird List Version 10.1
12. IOC World Bird List Version 10.2
13. IOC World Bird List Version 11.1
14. IOC World Bird List Version 11.2
15. IOC World Bird List Version 12.1
16. IOC World Bird List Version 12.2
17. IOC World Bird List Version 13.1
18. Integrated Taxonomic Information System
19. Encyclopedia of Life
20. Global Biodiversity Information Facility
21. World Register of Marine Species
22. TAXREF v9.0
23. TAXREF v10.0
24. TAXREF v11.0
25. TAXREF v12.0
26. TAXREF v13.0
27. TAXREF v16.0
28. National Biodiversity Network
29. eBird Taxonomy v2019
30. Naturbasen