コガモ (Japanese Wikipedia)

Analysis of information sources in references of the Wikipedia article "コガモ" in Japanese language version.

refsWebsite

Global rank Japanese rank

1iucnredlist.org

88^th place

336^th place

iucnredlist.org

BirdLife International (2012). "Anas crecca". IUCN Red List of Threatened Species. Version 3.1. International Union for Conservation of Nature. 2014年1月23日閲覧。（英語）