The mantled howler monkey, known for its call, is classified as endangered on the International Union for Conservation of Nature Red List, based on the organization's 2020 assessment. Local ...

According to the fifth census of Mantled Howler Monkeys, Alouatta palliata, on Barro Colorado Island in Panama, monkey numbers have changed little since the late 1970s. Disclaimer: AAAS and ...

Extreme temperatures and a lack of water appear to be behind a rash of mantled howler monkey deaths in Mexico. This news is especially sad because the howler monkey population was already ...