Moving callitrichid monkeys from cages to outside areas (1989)

Chamove, A. S., Rohrhuber, B.

Abstract

All animals avoided areas with little cover. The two tamarin families preferred an indoor cage to a large open area with little cover and consequently only showed a limited range of behavior when outside. When dense cover was provided to the marmoset family, they used this area extensively, showing a wider range of behavior than when in cages.