Ring-necked duck (English Wikipedia)

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

refsWebsite

Global rank English rank

2allaboutbirds.org

6,096^th place

3,562^nd place

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1iucnredlist.org

88^th place

160^th place

2^nd place

2^nd place

1,611^th place

1,593^rd place

1web.archive.org

1^st place

1^st place

1deltawaterfowl.org

low place

low place

1borealbirds.org

low place

low place

low place

low place

8^th place

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allaboutbirds.org

"Ring-necked Duck, Life History". All About Birds. Cornell Lab of Ornithology. Retrieved 18 April 2016.
"Ring-necked Duck Identification, All About Birds, Cornell Lab of Ornithology". www.allaboutbirds.org. Retrieved 2020-09-25.

archive.org

Jobling, James A (2010). The Helm Dictionary of Scientific Bird Names. London: Christopher Helm. pp. 64, 113. ISBN 978-1-4081-2501-4.
Parkin, David T; Knox, Alan G (2010). The Status of Birds in Britain and Ireland. London: Christopher Helm. p. 55. ISBN 978-1-4081-2500-7.

bbc.co.uk

"Rare ducks spotted at nature reserve". BBC News. 2015-04-05.

borealbirds.org

National Wildlife Federation, eNature with support from Ducks Unlimited, & The Pew Charitable Trusts. (2007). Boreal Songbird Initiative: Ring-necked Duck. Retrieved from Boreal Songbird Initiative website: http://www.borealbirds.org/birdguide/bd0402_species.shtml

deltawaterfowl.org

Bellrose, F. C., Hohman, W. L., Eberhardt, R. T., & Johnsgard, P. A. (n.d.). Duck Species Profile - Ring-necked Duck. Retrieved from "Duck Species Profile - Ring-necked Duck". Archived from the original on 2012-11-05. Retrieved 2012-12-17.

doi.org

BirdLife International (2016). "Aythya collaris". IUCN Red List of Threatened Species. 2016: e.T22680370A92859350. doi:10.2305/IUCN.UK.2016-3.RLTS.T22680370A92859350.en. Retrieved 13 November 2021.

ducks.org

Ring-necked Duck Facts, Figures, Description and Photo. (n.d.). Retrieved from Ducks Unlimited website: http://www.ducks.org/hunting/waterfowl-id/ring-necked-duck

gbif.org

"Aythya collaris (Donovan, 1809)". Global Biodiversity Information Facility. Retrieved 3 March 2023.

iucnredlist.org

BirdLife International (2016). "Aythya collaris". IUCN Red List of Threatened Species. 2016: e.T22680370A92859350. doi:10.2305/IUCN.UK.2016-3.RLTS.T22680370A92859350.en. Retrieved 13 November 2021.

sao.org.co

Herrera, Néstor; Rivera, Roberto; Ibarra Portillo, Ricardo; Rodríguez, Wilfredo (December 2006). "Nuevos registros para la avifauna de El Salvador" (PDF). Boletín de la Sociedad Antioqueña de Ornitología. 16 (2): 1–19. ISSN 0123-9082.

web.archive.org

Bellrose, F. C., Hohman, W. L., Eberhardt, R. T., & Johnsgard, P. A. (n.d.). Duck Species Profile - Ring-necked Duck. Retrieved from "Duck Species Profile - Ring-necked Duck". Archived from the original on 2012-11-05. Retrieved 2012-12-17.

worldcat.org

Herrera, Néstor; Rivera, Roberto; Ibarra Portillo, Ricardo; Rodríguez, Wilfredo (December 2006). "Nuevos registros para la avifauna de El Salvador" (PDF). Boletín de la Sociedad Antioqueña de Ornitología. 16 (2): 1–19. ISSN 0123-9082.