The pygmies always come back to their feeding tree, though. Pygmy marmosets use their teeth to gouge holes in trees that secrete gum, or resin—not to be confused with sap, which runs through a ...

The short tusked marmosets (Callithrix and Cebuella) feed extensively on the gum produced by some species of forest tree which they access by gouging with a scoop formed by the lower incisors and ...