Red Howler Monkey Alpha Male. Image via Depositphotos. At the heart of the howler monkey’s extraordinary vocal abilities lies a specialized anatomical feature: an enlarged hyoid bone. This U-shaped ...

Get to know the past and present students of the Primate Behavior MS Graduate Program. Read theses published by former students and learn about the variety of research projects completed or in ...

Video footage shows male capuchin monkeys carrying at least 11 howler monkey babies between 2022 and 2023. The monkeys' motivations remain under investigation.