Velvet-fronted grackle (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Velvet-fronted grackle" 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

Hilty, Steven L.; Brown, Bill (1986). A Guide to the Birds of Colombia. Princeton University Press. p. 564. ISBN 0-691-08372-X.
Ridgely, Robert S.; Guy, Tudor (1989). The Birds of South America: Volume 1: The Oscine Passerines. University of Texas Press. p. 349. ISBN 978-0-292-70756-6.

doi.org

BirdLife International (2018). "Lampropsar tanagrinus". IUCN Red List of Threatened Species. 2018: e.T22724283A132174604. doi:10.2305/IUCN.UK.2018-2.RLTS.T22724283A132174604.en. Retrieved 13 November 2021.

hbw.com

Fraga, R. (2011). "Velvet-fronted Grackle (Lampropsar tanagrinus)". Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. Retrieved 13 September 2015.

iucnredlist.org

BirdLife International (2018). "Lampropsar tanagrinus". IUCN Red List of Threatened Species. 2018: e.T22724283A132174604. doi:10.2305/IUCN.UK.2018-2.RLTS.T22724283A132174604.en. Retrieved 13 November 2021.