Dictionary of Human Evolution and Biology

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Callicebus Thomas, 1903

Platyrrhine genus to which the titi monkeys belong; consists of 3-13 species, depending on authority. Systematics in flux; molecular evidence supports a smaller number of species. Distributed from Columbia and Venezuela through much of Brazil, with several of the species sympatric. Diurnal. Arboreal quadrupeds and leapers. Body mass ranges from 800 to 1600 g. Not sexually dimorphic. Dental formula: 2.1.3.3. Frugivorous. Live in territorial monogamous family units; territories delineated by song. Known for intertwining of tails between the male and female.r

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