When it comes to primate species from across the globe, they don't get much cuter than the pygmy marmosets of the Amazon Rainforest, aka the smallest species of monkeys in the world. These little ...

The cute creatures are chatty, family oriented—and facing a shrinking habitat in the remote forests of Ecuador A baby pygmy marmoset, under the care of an older member of its cooperative family group, ...

Deep in the rainforests of South America lives a monkey so tiny it can fit in your palm. Known as the pygmy marmoset, this remarkable primate holds the title of the world’s smallest monkey. Weighing ...

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 ...

It was after midnight in Quito when Stella de la Torre came for me, waiting under a streetlamp next to the black minivan that would ferry us to the Amazon, to see the smallest monkey in the world. I ...