howler monkey造句 (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.