LITTLETON, Colo. (CBS4) - Breckenridge Brewery created a new beer to coincide with a full moon on Wednesday and with the quasi-ritual of Coloradans howling at the moon each night at 8 p.m. The howling ...

Baby, I'm howlin' for you. Male howler monkeys make deep and boisterous calls to attract mates, but the deepest-pitched songs may come at cost: the size of their testicles. A new study in the journal ...

The disturbances of the habitat could be affecting the populations of the mantled howler, or golden-mantled howling monkey, (Alouatta palliate Mexicana) who in an extreme case could be developing ...

The fifth Howler Monkey census at the Smithsonian's Barro Colorado Island research station in Panama, organized by Katie Milton, professor in the department of Environmental Science, Policy & ...