Plain-backed sparrow (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Plain-backed sparrow" in English language version.

refsWebsite

Global rank English rank

1iucnredlist.org

88^th place

160^th place

2^nd place

2^nd place

6^th place

6^th place

1books.google.com

3^rd place

3^rd place

archive.org (Global: 6^th place; English: 6^th place)

Summers-Smith 1988, pp. 199–200 Summers-Smith, J. Denis (1988). The Sparrows: a Study of the Genus Passer. illustrated by Robert Gillmor. Calton, Staffs, England: T. & A. D. Poyser. ISBN 978-0-85661-048-6.

books.google.com (Global: 3^rd place; English: 3^rd place)

Giebel 1877, p. 35 Giebel, C. G. (1877). Thesaurus Ornithologiae (in German). Vol. III. Brockhaus.

doi.org (Global: 2^nd place; English: 2^nd place)

BirdLife International (2016). "Passer flaveolus". IUCN Red List of Threatened Species. 2016 e.T22718194A94572013. doi:10.2305/IUCN.UK.2016-3.RLTS.T22718194A94572013.en. Retrieved 12 November 2021.

iucnredlist.org (Global: 88^th place; English: 160^th place)

BirdLife International (2016). "Passer flaveolus". IUCN Red List of Threatened Species. 2016 e.T22718194A94572013. doi:10.2305/IUCN.UK.2016-3.RLTS.T22718194A94572013.en. Retrieved 12 November 2021.