# Helmeted Hornbill

> species of bird

**Wikidata**: [Q226043](https://www.wikidata.org/wiki/Q226043)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Helmeted_hornbill)  
**Source**: https://4ort.xyz/entity/helmeted-hornbill


## References

1. Integrated Taxonomic Information System. 2006
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. IOC World Bird List Version 8.2
10. IOC World Bird List Version 9.1
11. IOC World Bird List Version 9.2
12. HBW and BirdLife Taxonomic Checklist v3
13. HBW and BirdLife Taxonomic Checklist v4
14. IOC World Bird List Version 10.1
15. IOC World Bird List Version 10.2
16. HBW and BirdLife Taxonomic Checklist v5
17. IOC World Bird List Version 11.1
18. IOC World Bird List Version 11.2
19. HBW and BirdLife Taxonomic Checklist v6
20. HBW and BirdLife Taxonomic Checklist v7
21. IOC World Bird List Version 12.1
22. IOC World Bird List Version 12.2
23. IOC World Bird List Version 13.1
24. The IUCN Red List of Threatened Species 2021.3
25. Library of Congress
26. IUCN Red List
27. Freebase Data Dumps. 2013
28. Taxonomy database of the U.S. National Center for Biotechnology Information
29. Encyclopedia of Life
30. Global Biodiversity Information Facility
31. Gwefan Llên Natur
32. [Source](https://ec.europa.eu/translation/portuguese/magazine/documents/folha66_separata1_pt.pdf)
33. [Source](https://avesdomundo.info/todas-as-paginas/Bucerotidae)
34. Species+
35. UMLS 2023
36. National Library of Israel
37. Macaulay Library