Title
An update on the distribution and abundance of the endemic and threatened Olalla’s titi monkey (Plecturocebus olallae)
Author(s)
Martinez, Jesus;Wallace, Robert B.
Published
2021
Publisher
Primate Conservation
Abstract
Population size is crucial knowledge for biodiversity conservation. The Olalla’s titi monkey (Plecturocebus olallae) is endemic to Bolivia and one of the most threatened primate species in the Neotropics. We report a new occurrence zone for this species that increases their previously known distribution from 267.4 to 383.4 km². With a playback point count survey to assess the presence of these primates, we estimated a density of 7.5 groups/km². Based on this expanded distribution, we estimate a total population of 2,855 individuals for P. olallae (adding 640 individuals to previous estimates). We also provide new information on uncontrolled fires as a conservation threat to the habitat of P. olallae. These findings provide hope for the conservation of these highly threatened primates restricted to naturally fragmented forests and will be helpful for the development of appropriate monitoring and protection.
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PUB25603