Dusky-green oropendola (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Dusky-green oropendola" in English language version.

refsWebsite

Global rank English rank

2books.google.com

3^rd place

3^rd place

1iucnredlist.org

88^th place

160^th place

2^nd place

2^nd place

3,128^th place

4,193^rd place

books.google.com

Ridgely, Robert S.; Tudor, Guy (2009). Field Guide to the Songbirds of South America: The Passerines. University of Texas Press. p. 677. ISBN 978-0-292-71748-0.
Ridgely, Robert S.; Guy, Tudor (1989). The Birds of South America: Volume 1: The Oscine Passerines. University of Texas Press. p. 20. ISBN 978-0-292-70756-6.

doi.org

BirdLife International (2016). "Psarocolius atrovirens". IUCN Red List of Threatened Species. 2016: e.T22723988A94844025. doi:10.2305/IUCN.UK.2016-3.RLTS.T22723988A94844025.en. Retrieved 12 November 2021.

hbw.com

Fraga, R. "Dusky-green Oropendola (Psarocolius atrovirens)". Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. Retrieved 10 September 2015.

iucnredlist.org

BirdLife International (2016). "Psarocolius atrovirens". IUCN Red List of Threatened Species. 2016: e.T22723988A94844025. doi:10.2305/IUCN.UK.2016-3.RLTS.T22723988A94844025.en. Retrieved 12 November 2021.