Howlers are New World monkeys found in tropical Central and South America. They are aptly named ... A gripping tail is particularly helpful to howler monkeys because they rarely descend to the ...

MEXICO CITY--It’s so hot in Mexico that howler monkeys are falling dead from the trees. At least 83 of the midsize primates, who are known for their roaring vocal calls, were found dead in the ...

The monkeys' "ultra-yodels" had frequency leaps that were five times larger than human frequency changes, often exceeding ...

South America. It examined their thin vocal membranes, which sit above the vocal cords. They have been lost in humans as we evolved more stable speech. Latin American species of howler monkey ...

However, rapid urbanization and a lack of conservation awareness threaten its iconic species. In Nosara, howler monkeys are paying the price: deforestation, uncovered transformers, and unregulated ...

Lisa Corewyn, associate professor in the Department of Biology and coordinator of the anthropology minor at Ithaca College, ...

A new study has found that the world's finest yodelers aren't from Austria or Switzerland, but the rainforests of Latin America ... the black and gold howler monkey (Alouatta caraya), tufted ...