# Anas querquedula

> species of bird

**Wikidata**: [Q25644](https://www.wikidata.org/wiki/Q25644)  
**Source**: https://4ort.xyz/entity/anas-querquedula


## References

1. Integrated Taxonomic Information System. 1996
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. Systema Naturae. 10th edition, Volume 1
7. Freebase Data Dumps. 2013
8. [BioLib](https://www.biolib.cz/cz/taxon/id8462/)
9. Global Biodiversity Information Facility
10. World Register of Marine Species
11. Gwefan Llên Natur
12. [Belgian Species List](http://species.be/en/4547)
13. [Finnish Biodiversity Information Facility](https://laji.fi/taxon/MX.26388/taxonomy)
14. [Source](https://avesdomundo.info/todas-as-paginas/Anatidae)
15. Catalogue of Life in Taiwan
16. [Source](https://ec.europa.eu/translation/portuguese/magazine/documents/folha66_separata1_pt.pdf)
17. Fauna Europaea
18. [Source](https://app.bto.org/birdfacts/results/bob1910.htm)
19. AVIAN BODY SIZES IN RELATION TO FECUNDITY, MATING SYSTEM, DISPLAY BEHAVIOR, AND RESOURCE SHARING
20. TAXREF v9.0
21. National Biodiversity Network
22. Nederlands Soortenregister
23. Interim Register of Marine and Nonmarine Genera
24. [Portál informačního systému ochrany přírody](https://portal.nature.cz/redlist/v_nd_taxon_category.php)
25. [Portál informačního systému ochrany přírody](https://portal.nature.cz/publik_syst/nd_nalez-public.php?idTaxon=997)
26. European Nature Information System
27. eBiodiversity
28. Belgian Species List
29. The worldwide variation in avian clutch size across species and space
30. AnimalBase
31. KBpedia
32. Open Tree of Life reference taxonomy version 3.6
33. [2025](https://www.gbif.org/dataset/2c04922c-82dd-4718-ab22-c9772408de9c)
34. Naturbasen
35. BISMaL