# Puffinus gravis

> species of bird

**Wikidata**: [Q303807](https://www.wikidata.org/wiki/Q303807)  
**Source**: https://4ort.xyz/entity/puffinus-gravis


## References

1. Integrated Taxonomic Information System. 1996
2. Freebase Data Dumps. 2013
3. Encyclopedia of Life
4. Fossilworks
5. Global Biodiversity Information Facility
6. World Register of Marine Species
7. Gwefan Llên Natur
8. [Belgian Species List](http://species.be/en/3928)
9. Fauna Europaea
10. New Zealand Organisms Register
11. TAXREF v9.0
12. National Biodiversity Network
13. Nederlands Soortenregister
14. Interim Register of Marine and Nonmarine Genera
15. SeaLifeBase
16. European Nature Information System
17. Ocean Biodiversity Information System
18. Belgian Species List
19. Open Tree of Life reference taxonomy version 3.6
20. [Global Biodiversity Information Facility](https://www.gbif.org/species/5229343)
21. Naturbasen