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Black-headed heron (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Black-headed heron" in English language version.

refsWebsite
Global rank English rank
1iucnredlist.org
88th place
160th place
1doi.org
2nd place
2nd place

doi.org

  • BirdLife International (2016). "Ardea melanocephala". IUCN Red List of Threatened Species. 2016: e.T22697008A93598165. doi:10.2305/IUCN.UK.2016-3.RLTS.T22697008A93598165.en.

iucnredlist.org

  • BirdLife International (2016). "Ardea melanocephala". IUCN Red List of Threatened Species. 2016: e.T22697008A93598165. doi:10.2305/IUCN.UK.2016-3.RLTS.T22697008A93598165.en.