# Blue-grey Tanager

> species of medium-sized South American songbird

**Wikidata**: [Q883102](https://www.wikidata.org/wiki/Q883102)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Blue-gray_tanager)  
**Source**: https://4ort.xyz/entity/blue-grey-tanager


## References

1. IOC World Bird List Version 6.3
2. IOC World Bird List Version 6.4
3. IOC World Bird List Version 7.1
4. IOC World Bird List Version 7.3
5. IOC World Bird List Version 7.2
6. IOC World Bird List Version 8.1
7. eBird Taxonomy v2018
8. Clements Checklist of Birds of the World
9. IOC World Bird List Version 8.2
10. IOC World Bird List Version 9.1
11. IOC World Bird List Version 9.2
12. IOC World Bird List Version 10.1
13. Clements Checklist v2019
14. IOC World Bird List Version 10.2
15. IOC World Bird List Version 11.1
16. IOC World Bird List Version 11.2
17. IOC World Bird List Version 12.1
18. IOC World Bird List Version 12.2
19. IOC World Bird List Version 13.1
20. Freebase Data Dumps. 2013
21. Taxonomy database of the U.S. National Center for Biotechnology Information
22. Integrated Taxonomic Information System
23. Global Biodiversity Information Facility
24. IUCN Red List
25. Gwefan Llên Natur
26. [Source](https://avesdomundo.info/todas-as-paginas/Thraupidae)
27. [Source](https://ec.europa.eu/translation/portuguese/magazine/documents/folha66_separata1_pt.pdf)
28. AVIAN BODY SIZES IN RELATION TO FECUNDITY, MATING SYSTEM, DISPLAY BEHAVIOR, AND RESOURCE SHARING
29. UMLS 2023
30. TAXREF v9.0
31. TAXREF v10.0
32. eBird Taxonomy v2019
33. Barcode of Life Data Systems
34. Interim Register of Marine and Nonmarine Genera
35. Oiseaux.net
36. Open Tree of Life reference taxonomy version 3.6
37. [Source](https://www.museum.lsu.edu/~Remsen/SACCBaseline.htm)
38. CalPhotos