The common marmoset is native to the northeast corner of Brazil, but by intentional and unintentional release have spread through many other parts of South America.

The common marmoset lives 10 to 15 years; its sleep patterns and some social behaviors resemble those of people. [© Raimond Spekking / CC BY-SA 4.0 (via Wikimedia Commons).] Mouse models of ...

Marmoset monkeys are known to cooperate, and now researchers have discovered a new twist: the animals actually help each other more when they think no one is watching them. News Home Page ...

The development of primate brains is shaped by various inputs. However, these inputs differ between independent breeders, such as great apes, and cooperative breeders, such as the common marmoset ...

Enter the small, adorable common marmoset. These fuzzy South American primates look more like squirrels than a monkey. "They're cute, and they smell.

Common marmosets. Credit: Dario Sanchez. But Margaret Wilson, a psychologist from the University of California, Santa Cruz who studies turn-taking in both humans and animals, is not convinced.

The common marmoset may be a suitable model for human obesity. Photographer: Raimond Spekking, License: cc-by-sa-3.0 “Two people can sit down at the same table and eat the same amount of food ...

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 ...