Significantly, the sign language is unlikely to have been influenced by human activity because, unlike apes, dolphins and dogs, mandrills do not mimic humans.

More by Aimee Cunningham This article was originally published with the title “A Signal for Solitude: Monkeys Create Their Own Rudimentary Language Sign” in SA Mind Vol. 22 No. 3 (July 2011 ...

Campbell’s monkeys appear to combine the same calls in different ways, using rules of grammar that turn sound into language. Whether their rudimentary syntax echoes the speech of humanity’s ...

Diana monkeys are some of the most clever monkeys when it comes to language. Monkeys live together in social groups. All members contribute by helping to defend food sources, raise young, and ...

Monkeys were first presented with "phrases" containing structural dependencies, and later tested using stimuli either with or without dependencies.

To their surprise, these West African green monkeys used alarm calls that are not naturally part of their language. Instead, these calls are very similar to the calls their cousins the East ...

Researchers have trained rhesus macaque monkeys to recognize two sets of symbols, with 26 symbols in each set. And the monkeys demonstrated an ability to add them together!

Rhesus monkeys respond to fearful body language in members of their own species, as well as humans and cats.

Human language may contain elements found in both birdsong and monkey calls, some scientists say. (Image credit: Illustration: Christine Daniloff/MIT) ...

We’re all pretty familiar with how, for example, an “-ing” at the end of a word means something different than an “-ed.” As it turns out, monkeys have their own versions of suffixes too ...

Monkeys were first presented with "phrases" containing structural dependencies, and later tested using stimuli either with or without dependencies.