# Corvidae

> family of perching birds

**Wikidata**: [Q25565](https://www.wikidata.org/wiki/Q25565)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Corvidae)  
**Source**: https://4ort.xyz/entity/corvidae


## References

1. Integrated Taxonomic Information System. 1998
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. IOC World Bird List Version 8.2
9. IOC World Bird List Version 9.1
10. IOC World Bird List Version 9.2
11. IOC World Bird List Version 10.1
12. IOC World Bird List Version 10.2
13. IOC World Bird List Version 11.1
14. IOC World Bird List Version 11.2
15. IOC World Bird List Version 12.1
16. IOC World Bird List Version 12.2
17. IOC World Bird List Version 13.1
18. National Agricultural Library Thesaurus
19. Nuovo soggettario
20. Freebase Data Dumps. 2013
21. Taxonomy database of the U.S. National Center for Biotechnology Information
22. [Source](https://ncim-stage.nci.nih.gov/ncimbrowser/pages/concept_details.jsf?dictionary=NCI%20Metathesaurus&code=C0326390&type=all)
23. Encyclopedia of Life
24. Fossilworks
25. Global Biodiversity Information Facility
26. World Register of Marine Species
27. [Registros de autoridad de "Materia" de la Biblioteca Nacional de España. Spain open data portal](https://www.bne.es/media/datosgob/catalogo-autoridades/materia/materia-UTF8.zip)
28. Integrated Authority File
29. Library of Congress Authorities
30. Fauna Europaea
31. Dyntaxa
32. AGROVOC
33. New Zealand Organisms Register
34. National Biodiversity Network
35. Nederlands Soortenregister
36. Barcode of Life Data Systems
37. Interim Register of Marine and Nonmarine Genera
38. OpenAlex
39. Belgian Species List
40. [CABI Thesaurus](https://www.cabi.org/cabithesaurus/mtwdk.exe?k=default&l=60&w=36336&s=5&t=2)
41. National Library of Israel
42. Open Tree of Life reference taxonomy version 3.6
43. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)