Black-backed bittern (English Wikipedia)

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

refsWebsite

Global rank English rank

1iucnredlist.org

88^th place

160^th place

2^nd place

2^nd place

6^th place

6^th place

1web.archive.org

1^st place

1^st place

1environment.gov.au

2,543^rd place

1,964^th place

archive.org

McKilligan, Neil (2005). Herons, Egrets and Bitterns: Their Biology and Conservation in Australia. Melbourne: CSIRO Publishing. pp. 115–116. ISBN 0-643-09133-5.

doi.org

BirdLife International (2016). "Ixobrychus dubius". IUCN Red List of Threatened Species. 2016: e.T22735703A95117671. doi:10.2305/IUCN.UK.2016-3.RLTS.T22735703A95117671.en. Retrieved 19 November 2021.

environment.gov.au

Garnett, Stephen T. & Crowley, Gabriel M. (2000). The Action Plan for Australian Birds 2000 (PDF). Canberra: Environment Australia. pp. 178–179. ISBN 0-642-54683-5. Archived from the original (PDF) on 2012-10-03. Retrieved 2009-09-30..

iucnredlist.org

BirdLife International (2016). "Ixobrychus dubius". IUCN Red List of Threatened Species. 2016: e.T22735703A95117671. doi:10.2305/IUCN.UK.2016-3.RLTS.T22735703A95117671.en. Retrieved 19 November 2021.

web.archive.org

Garnett, Stephen T. & Crowley, Gabriel M. (2000). The Action Plan for Australian Birds 2000 (PDF). Canberra: Environment Australia. pp. 178–179. ISBN 0-642-54683-5. Archived from the original (PDF) on 2012-10-03. Retrieved 2009-09-30..