White-headed duck (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "White-headed duck" in English language version.

refsWebsite

Global rank English rank

2^nd place

88^th place

160^th place

2,927^th place

2,249^th place

6,471^st place

7,708^th place

low place

abcc-am.org

White-headed Duck (Oxyura leucocephala) in Armenia. 2017. In online publication: "The State of Breeding Birds of Armenia". TSE NGO, Armenian Bird Census Council. Retrieved on 10 October 2017.

Salvador, Alfredo; Amat, Juan A.; Green, Andy J. (2020-12-18). Billerman, Shawn M; Keeney, Brooke K (eds.). "White-headed Duck (Oxyura leucocephala)". Birds of the World. doi:10.2173/bow.whhduc1.02.

BirdLife International (2017). "Oxyura leucocephala". IUCN Red List of Threatened Species. 2017: e.T22679814A119403602. doi:10.2305/IUCN.UK.2017-3.RLTS.T22679814A119403602.en. Retrieved 12 November 2021.
Salvador, Alfredo; Amat, Juan A.; Green, Andy J. (2020-12-18). Billerman, Shawn M; Keeney, Brooke K (eds.). "White-headed Duck (Oxyura leucocephala)". Birds of the World. doi:10.2173/bow.whhduc1.02.