Sumatran bulbul (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Sumatran bulbul" in English language version.

refsWebsite

Global rank English rank

1iucnredlist.org

88^th place

160^th place

2^nd place

2^nd place

1worldbirdnames.org

1,007^th place

1,255^th place

doi.org

BirdLife International. (2017). "'Ixos sumatranus". IUCN Red List of Threatened Species. 2017: e.T103823086A113106779. doi:10.2305/IUCN.UK.2017-1.RLTS.T103823086A113106779.en. Retrieved 23 July 2021.

iucnredlist.org

BirdLife International. (2017). "'Ixos sumatranus". IUCN Red List of Threatened Species. 2017: e.T103823086A113106779. doi:10.2305/IUCN.UK.2017-1.RLTS.T103823086A113106779.en. Retrieved 23 July 2021.

worldbirdnames.org

Gill, F.; Donsker, D.; Rasmussen, P. (eds.). "Family Pycnonotidae". IOC World Bird List. Version 10.2. Retrieved 4 August 2020.