Night Monkey (Aotus nigriceps) Research

Night Monkey Research with Tropical Conservation Fund

Learn more about Night Monkeys (Aotus nigriceps) and support conservation research at at!

Will Helenbrook, PhD, alongside students conducts research into the behavior, habitat, and parasitology of night monkeys in the Peruvian Amazon. 

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Listen to the unusual calls night monkeys (Aotus nigriceps) make to one another in the Peruvian Amazon rainforest.