Pardela-cinza (Portuguese Wikipedia)

Analysis of information sources in references of the Wikipedia article "Pardela-cinza" in Portuguese language version.

refsWebsite

Global rank Portuguese rank

2iucnredlist.org

88^th place

81^st place

2^nd place

4^th place

doi.org

BirdLife International (2018). "Grey Petrel: Procellaria cinerea". IUCN Red List of Threatened Species. 2018: e.T22698159A132630237. doi:10.2305/IUCN.UK.2018-2.RLTS.T22698159A132630237.en. Retrieved 15 March 2021.

iucnredlist.org

apiv3.iucnredlist.org

BirdLife International (2004). Procellaria cinerea (em inglês). IUCN 2006. Lista Vermelha de Espécies Ameaçadas da IUCN. 2006. Página visitada em ´31.10.2007.

iucnredlist.org

BirdLife International (2018). "Grey Petrel: Procellaria cinerea". IUCN Red List of Threatened Species. 2018: e.T22698159A132630237. doi:10.2305/IUCN.UK.2018-2.RLTS.T22698159A132630237.en. Retrieved 15 March 2021.