Marmosets are small monkeys that live high up in the canopies of South American rainforests. There are more than 20 species, and most could fit comfortably in an adult human's hand. Marmosets have ...

The wild marmosets living in the Brazilian forest have never seen a television show and certainly have never watched a movie in their jungle homes, until now. When scientists showed the newbies a ...

Marmosets are the first nonhuman primates known to use name-like labels for individuals, a new study suggests. By Emily Anthes The common marmoset is a certified chatterbox. The small, South American ...