Hear the booming cries that gave the howler its name. Learn just what these vocal monkeys may be trying to say.

Add Yahoo as a preferred source to see more of our stories on Google. BUFFALO, N.Y. (WIVB) — A baby black howler monkey has a new home. The Buffalo Zoo welcomed the newborn monkey into the world last ...

Venezuelan Red Howler (Alouatta seniculus). They inhabit rainforests and mountain forests of Central and South America. The loudest monkey. Morning roar of a red howler. Close-up.© ...

A new study has found that primates either develop big voices, or big testes, but not both. This suggests that there could be some biological drive that leads a howler monkey to become louder and more ...

On an island in Panama, a fad that one researcher called "viscerally disturbing" has recently taken off among a group of young male monkeys. These adolescents and juveniles have started to kidnap the ...