Skip to main content

They’re Adorable. And endangered. Meet the world’s smallest monkey: the Pygmy Marmoset

When de la Torre began her doctoral work in the mid-1990s, at the University of Wisconsin-Madison under the renowned primatologist Charles Snowdon, she thought she would study how tamarin habitats affect their vocalizations, but she soon switched to pygmy marmosets. Their smaller home ranges—often less than 2.5 acres—made it easier to collect data.