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Mazama nemorivaga

(Amazonian Brown Brocket)

Common Names

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Click on the language to view common names.

Common Names in English:

Amazonian Brown Brocket, Amazonian Brown Brocket Deer, Small Brown Brocket Deer

Common Names in French:


Common Names in Spanish:

Matac?n Gris?ceo, Soche Gris

Common Names in Spanish, Castilian:

Matacán Grisáceo, Soche Gris

Common Names in Ukrainian:

Мазама амазонська


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Ecology: Most of the localities with records of M. nemorivaga are inside the tropical and subtropical broadleaf moist forests biome of Olson et al. (2001), and are related to the Amazon region. From a total of 114 records, 10 are inside the tropical and subtropical broadleaf dry forest biome, and 7 are inside the desert and xeric scrubland biome. The majority of the localities associated with dry or xeric habitats are those referred to M. gouzoubira cita by Bisbal (1991). The taxonomic status of Mazama cita Osgood, 1912 still needs to be thoroughly evaluated.

According to the absence or presence of flooding, the Amazonian rain forests are broadly classified into respectively non-flooded (tierra/terra firme) and seasonally flooded (várzea) forests. Mazama nemorivaga inhabits the non-flooded forests and is rare or absent in the seasonally flooded forests. For example, it does not occur in the Pacaya-Samiria National Reserve in Peru, which covers an area of over 2 million hectares of seasonally flooded várzea forests. However, it is found in the adjacent inter-fluvial upland forests of the Yavari valley (Bodmer 2003).

Reproduction biology of the Amazonian brown brocket deer has been studied by Hurtado-Gonzales (2000) in the northeast Peruvian Amazon. Breeding appeared to be year round , and occurred from January to March, July to October, and December. Births occurred in January, March, April, and from July through October. No twinning was observed and the pregnancy rate was 0.50 pregnant females/total numbers of females. Most of the pregnant females were adults between 1 and 2 years old. In northeast Bolívar, Venezuela, Bisbal (1994) found pregnant females in December, January, and April. Births occurred in July, August, and November, apparently associated with the rainy season .[1].

List of Habitats:


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Considered a synonym of Mazama gouazoubira (Fischer, 1814) until Rossi (2000) demonstrated that it is a valid species. Wilson and Reeder (2005) include nemorivaga in gouazoubira in error . M. nemorivaga and M. gouazoubira are parapatric species.[1].

Similar Species

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Members of the genus Mazama

ZipcodeZoo has pages for 12 species and subspecies in this genus:

M. americana (South American Red Brocket) · M. americana americana (Red Brocket) · M. bororo (Small Red Brocket) · M. bricenii (M?rida Brocket) · M. chunyi (Peruvian Dwarf Brocket) · M. gouazoubira (Gray Brocket) · M. gouazoupira (Brown Brocket) · M. nana (Brazilian Dwarf Brocket) · M. nemorivaga (Amazonian Brown Brocket) · M. pandora (Yucatan Brown Brocket) · M. rufina (Dwarf Red Brocket) · M. temama (Central American Red Brocket)

More Info

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Further Reading

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Data Sources

Accessed through GBIF Data Portal November 16, 2007:



  1. Rossi, R.V. & Duarte, J.M.B 2008. Mazama nemorivaga. In: IUCN 2011. IUCN Red List of Threatened Species. Version 2011.2. <>. Downloaded on 02 February 2012. [back]
Last Revised: 2015-02-02