The director and co-founder of the Global Conservation Institute, spent ten years studying the saki monkey family. This monkeys, like all South American primates, suffer from the effects of region-wide habitat disturbances.
Small monkeys take over when big primates have been hunted
Research has shown that small monkeys in hunted forests exhibit compensatory growth in the absence of larger primates. In other words, when larger monkeys are removed, population densities of small monkeys can skyrocket.