Barbudal hillocks are home to several groups of white-faced capuchin monkeys which, since 1990, have been the subject of the Lomas Barbudal Capuchin Monkey Project, an ongoing research project by primatologist Susan Perry of UCLA.
The Barbudal hills are inhabited by various groups of white-faced capuchin monkeys, and since 1990, they have been under study by primatologist Susan Perry of UCLA for the Lomas Barbudal Capuchin Monkey Project.