Amazon black howler (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Amazon black howler" in English language version.

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1iucnredlist.org

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bucknell.edu

departments.bucknell.edu

Groves, C. P. (2005). Wilson, D. E.; Reeder, D. M. (eds.). Mammal Species of the World: A Taxonomic and Geographic Reference (3rd ed.). Baltimore: Johns Hopkins University Press. p. 149. ISBN 0-801-88221-4. OCLC 62265494.

doi.org

Ravetta, A.L.; Sampaio, R.; Rylands, A.B.; Cortés-Ortiz, L. (2021). "Alouatta nigerrima". IUCN Red List of Threatened Species. 2021: e.T136332A190424175. doi:10.2305/IUCN.UK.2021-1.RLTS.T136332A190424175.en. Retrieved 19 November 2021.
Gregorin, R. (2006). "Taxonomia e variação geográfica das espécies do gênero Alouatta Lacépède (Primates, Atelidae) no Brasil". Rev. Bras. Zool. (in Portuguese). 23 (1): 64–144. doi:10.1590/S0101-81752006000100005.

iucnredlist.org

Ravetta, A.L.; Sampaio, R.; Rylands, A.B.; Cortés-Ortiz, L. (2021). "Alouatta nigerrima". IUCN Red List of Threatened Species. 2021: e.T136332A190424175. doi:10.2305/IUCN.UK.2021-1.RLTS.T136332A190424175.en. Retrieved 19 November 2021.

scielo.br

Gregorin, R. (2006). "Taxonomia e variação geográfica das espécies do gênero Alouatta Lacépède (Primates, Atelidae) no Brasil". Rev. Bras. Zool. (in Portuguese). 23 (1): 64–144. doi:10.1590/S0101-81752006000100005.

worldcat.org

Groves, C. P. (2005). Wilson, D. E.; Reeder, D. M. (eds.). Mammal Species of the World: A Taxonomic and Geographic Reference (3rd ed.). Baltimore: Johns Hopkins University Press. p. 149. ISBN 0-801-88221-4. OCLC 62265494.