Description
The marmosets (/ˈmɑːrməˌzɛts, -ˌsɛts/), also known as zaris or sagoin, are twenty-two New World monkey species of the genera Callithrix, Cebuella, Callibella, and Mico.
Baby marmosets learn to make their calls by trying to repeat their parents’ vocalizations, scientists report today in Current Biology . Humans were thought to be the only primate with vocal learning—the ability to hear a sound and repeat it, considered essential for speech. Male titi monkeys show jealousy much like humans and will even physically hold their partner back from interacting with a stranger male