# Hill Swallow

> species of bird

**Wikidata**: [Q3136299](https://www.wikidata.org/wiki/Q3136299)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Hill_swallow)  
**Source**: https://4ort.xyz/entity/hill-swallow


## References

1. Integrated Taxonomic Information System. 1999
2. IOC World Bird List Version 6.3
3. IOC World Bird List Version 7.2
4. IOC World Bird List Version 6.4
5. IOC World Bird List Version 7.1
6. IOC World Bird List Version 7.3
7. IOC World Bird List Version 8.1
8. eBird Taxonomy v2018
9. Clements Checklist of Birds of the World
10. IOC World Bird List Version 8.2
11. IOC World Bird List Version 9.1
12. IOC World Bird List Version 9.2
13. IOC World Bird List Version 10.1
14. Clements Checklist v2019
15. IOC World Bird List Version 10.2
16. IOC World Bird List Version 11.1
17. IOC World Bird List Version 11.2
18. IOC World Bird List Version 12.1
19. IOC World Bird List Version 12.2
20. IOC World Bird List Version 13.1
21. Taxonomy database of the U.S. National Center for Biotechnology Information
22. Global Biodiversity Information Facility
23. IUCN Red List
24. Avibase
25. eBird Taxonomy v2019
26. Interim Register of Marine and Nonmarine Genera
27. HBW and BirdLife Taxonomic Checklist v2
28. HBW and BirdLife Taxonomic Checklist v3
29. HBW and BirdLife Taxonomic Checklist v4
30. Oiseaux.net
31. India Biodiversity Portal
32. The worldwide variation in avian clutch size across species and space
33. Open Tree of Life reference taxonomy version 3.6