(1) The highly vocal howler monkey is the largest of the New World monkeys.

(2) Photo Gallery: Monkeys The highly vocal howler monkey is the largest of the New World monkeys.

(3) Why are you so slow? the howler monkey asked one day.

(4) Suddenly I feel a bite and remember I had seen tropical leeches earlier. I am slapping and screeching in a way not dissimilar to a howler monkey.

(5) Loudest mammal - the Blue Whale. The second loudest is the Howler Monkey.