Maranhão red-handed howler (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Maranhão red-handed howler" in English language version.

refsWebsite

Global rank English rank

1iucnredlist.org

88^th place

160^th place

2^nd place

2^nd place

1,606^th place

4,312^th place

doi.org

de Oliveira, M.M. & Kierulff, M.C.M. (2008). "Alouatta ululata". The IUCN Red List of Threatened Species. 2008. IUCN: e.T918A13094890. doi:10.2305/IUCN.UK.2008.RLTS.T918A13094890.en. Retrieved 26 December 2017.

iucnredlist.org

de Oliveira, M.M. & Kierulff, M.C.M. (2008). "Alouatta ululata". The IUCN Red List of Threatened Species. 2008. IUCN: e.T918A13094890. doi:10.2305/IUCN.UK.2008.RLTS.T918A13094890.en. Retrieved 26 December 2017.

scielo.br

Gregorin, R. (2006). (in Portuguese) Taxonomia e variação geográfica das espécies do gênero Alouatta Lacépède (Primates, Atelidae) no Brasil. Rev. Bras. Zool. 23(1).