Hopeasarvinokka (Finnish Wikipedia)

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

refsWebsite

Global rank Finnish rank

1iucnredlist.org

88^th place

7^th place

332^nd place

700^th place

low place

low place

adu.org.za

sabap2.adu.org.za

http://sabap2.adu.org.za/docs/sabap1/456.pdf Atlas of Southern African Birds. Viitattu 24.11.2013.

cornell.edu

birds.cornell.edu

Clements, J. F., T. S. Schulenberg, M. J. Iliff, D. Roberson, T. A. Fredericks, B. L. Sullivan, and C. L. Wood: The eBird/Clements checklist of birds of the world: v2016 birds.cornell.edu. 2017. Viitattu 8.2.2018. (englanniksi)

iucnredlist.org

BirdLife International: Bycanistes brevis IUCN Red List of Threatened Species. Version 2017.3. 2016. International Union for Conservation of Nature, IUCN, Iucnredlist.org. Viitattu 8.2.2018. (englanniksi)