Beryl-spangled tanager (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Beryl-spangled tanager" in English language version.

refsWebsite

Global rank English rank

3^rd place

88^th place

160^th place

2^nd place

books.google.com

Schulenberg, Thomas S.; Stotz, Douglas F.; Lane, Daniel F.; O'Neill, John P.; Parker III, Theodore A. (2007). Birds of Peru. Princeton NJ, US: Princeton University Press. p. 564. ISBN 978-0-691-13023-1.
Athanas, Nick; Greenfield, Paul J. (2016). Birds of Western Ecuador: A Photographic Guide. Princeton NJ, US: Princeton University Press. p. 378. ISBN 978-0-691-15780-1.