Jackson's pipit (English Wikipedia)

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

refsWebsite

Global rank English rank

1books.google.com

3^rd place

3^rd place

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

Sibley, Charles G.; Monroe, Burt L. (1990), Distribution and Taxonomy of the Birds of the World, Yale University Press, p. 677, ISBN 0-300-04969-2, retrieved September 28, 2007^{[permanent dead link]}