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 ...

They can use this tail as an extra arm to grip or even hang from branches—no Old World monkeys have such a tail. A gripping tail is particularly helpful to howler monkeys because they rarely ...

Conservation & Society, Vol. 9, No. 3 (2011), pp. 216-228 (13 pages) The Community Baboon Sanctuary (CBS) in Belize is a community reserve for the endangered black howler monkey (Alouatta pigra). This ...