Weight:
The black-faced lion tamarin weighs approximately 600 g (21 oz).
Habitat:
The black-faced lion tamarin is found in lowland forest.
It occurs in the Brazilian Atlantic Forests Global 200 Ecoregion. (Olson & Dinerstein 1998, Olson & Dinerstein 1999)
Diet:
The black-faced lion tamarin eats fruit, insects, nectar and plant exudates (Emmons & Feer 1997).
Behavior:
It is arboreal and diurnal.
Social Organization:
The black-faced lion tamarin occurs in groups of 2 - 11 (Emmons & Feer 1997).