Swierstra's spurfowl (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Swierstra's spurfowl" in English language version.

refsWebsite

Global rank English rank

1iucnredlist.org

88^th place

160^th place

2^nd place

2^nd place

1books.google.com

3^rd place

3^rd place

1journals.co.za

low place

9,269^th place

1biodiversitylibrary.org

387^th place

373^rd place

1worldbirdnames.org

1,007^th place

1,255^th place

biodiversitylibrary.org

Wagler, Johann Georg (1832). "Neue Sippen und Gattungen der Säugthiere und Vögel". Isis von Oken (in German and Latin). cols 1218–1235 [1229].

books.google.com

Hirschfeld, Erik; Swash, Andy; Still, Robert (2013). The World's Rarest Birds. Princeton University Press. p. 77. ISBN 9781400844906.

doi.org

BirdLife International (2016). "Pternistis swierstrai". IUCN Red List of Threatened Species. 2016: e.T22678896A92793729. doi:10.2305/IUCN.UK.2016-3.RLTS.T22678896A92793729.en. Retrieved 17 November 2021.

iucnredlist.org

BirdLife International (2016). "Pternistis swierstrai". IUCN Red List of Threatened Species. 2016: e.T22678896A92793729. doi:10.2305/IUCN.UK.2016-3.RLTS.T22678896A92793729.en. Retrieved 17 November 2021.

journals.co.za

Roberts, Austin (1929). "New forms of African birds". Annals of the Transvaal Museum. 13: 71–81 [72].

worldbirdnames.org

Gill, Frank; Donsker, David; Rasmussen, Pamela, eds. (2020). "Pheasants, partridges, francolins". IOC World Bird List Version 10.1. International Ornithologists' Union. Retrieved 11 February 2020.