Ferruginous duck (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Ferruginous duck" in English language version.

refsWebsite
Global rank English rank
88th place
160th place
2nd place
2nd place
6th place
6th place
2,179th place
1,991st place
1st place
1st place

archive.org

birdlife.org

doi.org

  • BirdLife International (2019). "Aythya nyroca". IUCN Red List of Threatened Species. 2019: e.T22680373A152620862. doi:10.2305/IUCN.UK.2019-3.RLTS.T22680373A152620862.en. Retrieved 21 March 2022.

iucnredlist.org

  • BirdLife International (2019). "Aythya nyroca". IUCN Red List of Threatened Species. 2019: e.T22680373A152620862. doi:10.2305/IUCN.UK.2019-3.RLTS.T22680373A152620862.en. Retrieved 21 March 2022.

web.archive.org