Crossoptilon crossoptilon harmani (Spanish Wikipedia)

Analysis of information sources in references of the Wikipedia article "Crossoptilon crossoptilon harmani" in Spanish language version.

refsWebsite

Global rank Spanish rank

1web.archive.org

1^st place

1^st place

1iucnredlist.org

88^th place

67^th place

iucnredlist.org

BirdLife International 2008. Crossoptilon harmani. In: IUCN 2009. IUCN Red List of Threatened Species. Version 2009.1

web.archive.org

Clements, J. F. 2007. The Clements Checklist of Birds of the World, 6th Edition. Cornell University Press. Downloadable from Cornell Lab of Ornithology