# Tree Swallow

> species of bird

**Wikidata**: [Q922192](https://www.wikidata.org/wiki/Q922192)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Tree_swallow)  
**Source**: https://4ort.xyz/entity/tree-swallow


## References

1. Integrated Taxonomic Information System. 1996
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. HBW and BirdLife Taxonomic Checklist v2
9. eBird Taxonomy v2018
10. Clements Checklist of Birds of the World
11. IOC World Bird List Version 8.2
12. IOC World Bird List Version 9.1
13. IOC World Bird List Version 9.2
14. HBW and BirdLife Taxonomic Checklist v3
15. HBW and BirdLife Taxonomic Checklist v4
16. IOC World Bird List Version 10.1
17. Clements Checklist v2019
18. IOC World Bird List Version 10.2
19. HBW and BirdLife Taxonomic Checklist v5
20. IOC World Bird List Version 11.1
21. IOC World Bird List Version 11.2
22. HBW and BirdLife Taxonomic Checklist v6
23. HBW and BirdLife Taxonomic Checklist v7
24. IOC World Bird List Version 12.1
25. IOC World Bird List Version 12.2
26. IOC World Bird List Version 13.1
27. The IUCN Red List of Threatened Species 2021.3
28. Library of Congress
29. IUCN Red List
30. Freebase Data Dumps. 2013
31. Taxonomy database of the U.S. National Center for Biotechnology Information
32. Fossilworks
33. Global Biodiversity Information Facility
34. World Register of Marine Species
35. Gwefan Llên Natur
36. [Source](https://ec.europa.eu/translation/portuguese/magazine/documents/folha66_separata1_pt.pdf)
37. Fauna Europaea
38. Flight Speeds and Energetics of Seven Bird Species
39. UMLS 2023
40. TAXREF v9.0
41. TAXREF v10.0
42. TAXREF v11.0
43. TAXREF v12.0
44. TAXREF v13.0
45. TAXREF v14.0
46. TAXREF v15.0
47. TAXREF v16.0
48. National Biodiversity Network
49. eBird Taxonomy v2019
50. Barcode of Life Data Systems