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Demand protection for the Brown Monkey

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The brown spider monkey is among "The World's 25 Most Endangered Primates", and is one of only two Neotropical primates (the other being the yellow-tailed woolly monkey) to have been included in this list in both 2006–2008 and 2008–2010.[10]

The population is estimated to have decreased by at least 80% and some populations have already been extirpated.[10] Few remaining populations are of adequate size to be viable long-term.[2] Almost 60 brown spider monkeys were recorded at various zoo (mostly European) that participated in the International Species Information System in 2010, but breeding is slow.[11]Habitat loss is ongoing within its wild range, and an estimated 98% of its habitat already is gone.[12] Habitat loss is driven both by logging, and land clearance for agriculture and cattle ranches.[2] It is also threatened by hunting (in some regions it is the favorite game) and the wild animals trade.[10] One study did not show a significant difference between population densities inside versus outside forest areas disturbed by loggers. It has been hypothesized that this anomaly is due to the sample being taken from El Paujil reserve, which is a protected area and may serve as refuge from other human activities, namely poaching.[13]

A small population of fewer than 30 individuals of the subspecies A. h. brunneus has been discovered in a protected area of Colombia, the Selva de Florencia National Park. This is the southernmost population of the brown spider monkey.[14] Brown spider monkeys are also known from other reserves in both Colombia and Venezuela.[2]


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