Title
Identification, behavioral observations, and notes on the distribution of the Titi monkeys Callicebus modestus (Lönnberg 1939) and Callicebus olallae (Lönnberg 1939)
Author(s)
Adam Felton; Annika M. Felton; Robert B. Wallace; Humberto Gómez
Published
2006
Publisher
Primate Conservation
Abstract
We conducted field surveys for titi monkeys (Callicebus spp.) in the vicinity of the original collection sites of two poorly known species, Callicebus olallae and Callicebus modestus. Two distinct Callicebus forms were photographed and filmed, and according to an examination of existing literature as well as the original specimens, these represent C. olallae and C. modestus. They occur in patchy and fragmented grassy woodlands and appear to be at least locally threatened by hunting. Both were known from single locality collections and the taxonomic distinctiveness of these forms urgently needs to be further investigated, as does their true conservation status.
Keywords
Bolivia; Callicebus; taxonomy; titi monkey
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PUB35787