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 ...

While modern-day monkeys are quite clever, fossils found near the border of Peru and Brazil have revealed just how smart ...

Unlike Old World monkeys, howlers and other New World species have wide, side-opening nostrils and no pads on their rumps. Howlers also boast a prehensile tail. They can use this tail as an extra ...

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

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

Woolly monkeys were once considered four species: the gray, Columbian, silvery, and Peruvian yellow-tailed woolly monkeys. More recent genetic studies suggest there are only two species—the ...

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 ...

The young Goeldi's monkey, born on December 27, is part of the conservation breeding programme at the zoo, based in Kirkley Hall ...