Bull-headed shrike (English Wikipedia)

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

refsWebsite

Global rank English rank

1iucnredlist.org

88^th place

160^th place

2^nd place

2^nd place

1bird-research.jp

low place

low place

bird-research.jp

Bull-headed shrike September 16, 2006 bird-research.jp Retrieved December 17, 2016

doi.org

BirdLife International (2017). "Lanius bucephalus". IUCN Red List of Threatened Species. 2017: e.T22704998A118773936. doi:10.2305/IUCN.UK.2017-3.RLTS.T22704998A118773936.en. Retrieved 11 November 2021.

iucnredlist.org

BirdLife International (2017). "Lanius bucephalus". IUCN Red List of Threatened Species. 2017: e.T22704998A118773936. doi:10.2305/IUCN.UK.2017-3.RLTS.T22704998A118773936.en. Retrieved 11 November 2021.