hunting. This trend is expected to continue due to the increasing expansion of soybean agriculture. Also, parts of their habitat have been destroyed to make way for major highways and extensive deforestation. Some of the indigenous peoples in Brazil consider spider monkeys a delicacy, and when this is combined with their low reproduction rate, the population is sure to decline swiftly. It generally lives in groups of 20-30 individuals, but it is rare for them to be seen all together. References white-cheeked spider monkey Mammals of Brazil Endemic fauna of Brazil Primates of South America white-cheeked spider monkey Taxa named by Étienne Geoffroy Saint-Hilaire