Add Yahoo as a preferred source to see more of our stories on Google. common marmoset monkey, Callithrix jacchus Marmosets are small, adorable monkeys native to South America, but it would be unwise ...

A Raleigh woman registered a 4-year-old common marmoset called “Leo” and a 11-month-old common marmoset called “Mateo Sailor.” The common marmoset is a small monkey, averaging less than 8 inches tall.

A fully automated 3D tracking framework reveals that sex and familiarity strongly shape natural social gaze dynamics in freely interacting marmosets.

Learning to make sounds by listening to others is a skill that helps make us human. But research now suggests a species of monkey may have evolved similar abilities. Marmosets have the capacity to ...