The pygmy marmoset (Cebuella pygmaea) is a small species of New World monkey native to rainforests of the western Amazon Basin in South America.
The species is notable for being the smallest monkey and one of the smallest primates in the world, it is generally found in evergreen and river-edge forests and is a gum-feeding specialist, or a gummivore.
The pygmy marmoset is well known for its communication abilities including an intricate system of calls. The trill is used during feeding, foraging, and when travelling and the group is close together. Photo: Newspics/ Rexfeatures