Tummasarvipöllö (Finnish Wikipedia)

Analysis of information sources in references of the Wikipedia article "Tummasarvipöllö" in Finnish language version.

refsWebsite

Global rank Finnish rank

1iucnredlist.org

88^th place

7^th place

656^th place

64^th place

1texasbirds.org

low place

low place

1web.archive.org

1^st place

1^st place

itis.gov

Integrated Taxonomic Information System (ITIS): Asio stygius (TSN 555497) itis.gov. Viitattu 14.5.2012. (englanniksi)

iucnredlist.org

BirdLife International: Asio stygius IUCN Red List of Threatened Species. Version 2013.2. 2012. International Union for Conservation of Nature, IUCN, Iucnredlist.org. Viitattu 19.5.2014. (englanniksi)

texasbirds.org

Texasbirds.org (Arkistoitu – Internet Archive).

web.archive.org

Texasbirds.org (Arkistoitu – Internet Archive).