IUCN threat status:

Least Concern (LC)

Distribution

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Range Description

There are three recognized subspecies:

A. azarae azarae occurs in the southern and western Chaco region of Paraguay (excluding the the extreme west, where no primates occur), west of the Rio Paraguai, and extending across the Río Pilcomayo to south of the Río Bermejo to the Rio Negro in the provinces of Formosa and Chaco in Argentina (Rathbun and Gache 1980; Hershkovitz 1983; Stallings 1985, 1989; Zunino et al. 1986; Stallings et al. 1989). In the west, its range extends to the Cordillera Oriental, but its range in the north is not clearly delimited. Following Hershkovitz (1983), it would seem to extend to the Bañado do Izozog in Bolivia.

Aotus azarae boliviensis occurs south of the Río Madre de Dios, as far west as the Río Inambari in Peru (Aquino and Encarnación 1994a), extending along the Cordillera Oriental in Bolivia to southern Bolivia where it meets the range of A. azarae azarae in the region of the Bañado de Izozog. To east it occurs as far as the Rio Guaporé and the border with Brazil. It is not known if it occurs in Brazil in the state of Mato Grosso do Sul.

Aotus azarae infulatus occurs in at least a small section of the southern Amapá (Carmo de Macacoari, municipality of Itaubal) and on the Islands of Marajó and Caviana (Hill 1960; Fernandes 1993; Silva et al. 1995) possibly Gurupá and Mexiana. From there it occurs the south of the Rio Amazonas, west to the Rios Tapajós and Juruena, in the south along the right banks of the Guaporé, to the east of the Rio Corixá Grande, as far as the Rio Itiguira, a tributary of the Rio Paraguai. In the east its range is delimited by the left bank of the Rio Paranaiba to its headwaters and from there to the east of the Rio Manuel Alves Grande (a tributary of the Rio Tocantins) to the Rio Tocantins, and from there restricted to the west (left bank) of the river.

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Source: IUCN

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