A new study has found that the world's finest yodelers aren't from Austria or Switzerland, but the rainforests of Latin ...

The monkeys' "ultra-yodels" had frequency leaps that were five times larger than human frequency changes, often exceeding three octaves. (Human yodelers are limited to one octave.) While the monkeys' ...

It turns out apes and monkeys possess vocal membranes in their throats that humans lack. Scientists suspect these structures ...

Howlers are New World monkeys found in tropical Central and South America. They are aptly named for their cacophonous cries. When a number of howlers let loose their lungs in concert, often at ...

Dorien de VriesResearchers float by the 32-million-year-old fossil site behind them, on the Río Yurúa in Peru. While modern-day monkeys are quite clever, fossils found near the border of Peru ...

Researchers recorded and studied the calls of various primate species, including the black and gold howler monkey (Alouatta ...

BANGKOK (AP): A monkey with ghostly white circles around its eyes is among 224 new species listed in the World Wildlife Fund’s latest update on the greater Mekong region. The conservation group ...

What is a woolly monkey? An animal called a woolly monkey seems like it should live in the frozen north, not the sweltering Amazon Basin. But the thick coat of fur covering these large primates ...

Primates are conspicuous inhabitants of many ecological communities in the tropics. What impacts - beneficial or negative - do they have on other species, and vice versa? Given the extreme ...