Amerikanhelmipöllö (Finnish Wikipedia)

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

refsWebsite

Global rank Finnish rank

1iucnredlist.org

88^th place

7^th place

332^nd place

700^th place

167^th place

364^th place

cornell.edu

birds.cornell.edu

All about birds: Northern Saw-whet Owl 2003. Cornell Lab of Ornithology. Viitattu 29.3.2009. (englanniksi)

iucnredlist.org

BirdLife International: Aegolius acadicus IUCN Red List of Threatened Species. Version 2013.2. 2012. International Union for Conservation of Nature, IUCN, Iucnredlist.org. Viitattu 16.5.2014. (englanniksi)

usgs.gov

mbr-pwrc.usgs.gov

Northern Saw-whet owl Aegolius acadicus USGS. Viitattu 29.3.2009. (englanniksi)