# Grey Sunbird

> species of bird

**Wikidata**: [Q2606563](https://www.wikidata.org/wiki/Q2606563)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Grey_sunbird)  
**Source**: https://4ort.xyz/entity/grey-sunbird


## 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. 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. Integrated Taxonomic Information System
22. Global Biodiversity Information Facility
23. World Register of Marine Species
24. [Source](https://avesdomundo.info/todas-as-paginas/Nectariniidae)
25. [Source](https://ec.europa.eu/translation/portuguese/magazine/documents/folha66_separata1_pt.pdf)
26. AVIAN BODY SIZES IN RELATION TO FECUNDITY, MATING SYSTEM, DISPLAY BEHAVIOR, AND RESOURCE SHARING
27. eBird Taxonomy v2019
28. Interim Register of Marine and Nonmarine Genera
29. Oiseaux.net
30. The worldwide variation in avian clutch size across species and space
31. Open Tree of Life reference taxonomy version 3.6
32. [Global Biodiversity Information Facility](https://www.gbif.org/species/6088910)