News Anthropology Monkeys have vocal tools, but not brains, to talk like humans Videos of grunting, cooing show macaques could make key vowel, consonant sounds THWARTED SPEAKER Macaque monkeys have vocal tracts capable of producing enough vowel sounds to speak English and many other languages, a new study finds. But the monkeys’ brains aren’t up to the task of enabling their airways to articulate words, researchers say. jinterwas/flickr (CC BY 2.0) Share this:EmailFacebookTwitterPinterestPocketRedditPrint By Bruce Bower December 19, 2016 at 8:00 am Macaque monkeys would be quite talkative if only their brains cooperated with their airways, a new study suggests.