حواصیل شب تاج‌سیاه (Persian Wikipedia)

Analysis of information sources in references of the Wikipedia article "حواصیل شب تاج‌سیاه" in Persian language version.

refsWebsite

Global rank Persian rank

1iucnredlist.org

88^th place

166^th place

iucnredlist.org

BirdLife International (2012). "Nycticorax nycticorax". IUCN Red List of Threatened Species. Version 2012.1. International Union for Conservation of Nature. Retrieved 16 July 2012.