Title
Extention of Callicebus dubius (Primates, Cebidae) distribution and evidence of geographic invasion of Callicebus stephennashi domain
Author(s)
Fabio Röhe & José S.Silva-Jr.
Published
2008
Abstract
Callicebus Thomas, 1903, one of the most diverse genera of Neotropical primates, is distributed in the tropical forests of the Amazon and Orinoco basins, the Atlantic forest of northeastern and southeastern Brazil, and the Chaco and dry forests of Paraguay and Bolivia. Callicebus dubius is described as a hybrid form and rearranged in the group of C. cupreus species. It occurs to the south of the Ituxi River, a right bank tributary of the Purus River. In this paper we report other occurrence sites of C. dubius in Mucuim-Ituxi interfluves, its possible invasion of the geographic domains of C. stephennashi on the north bank of the Mucuim River and an agonistic territorial interaction between two C. dubius individuals on an unpaved road.
Keywords
Primates, Geographic distribution extension, Agonistic behavior, Zoguezogue, Amazônia, Madeira-Purus interfluvium, Bridge crossing
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