François' langur is a leaf-eating monkey that lives among limestone cliffs and caves. Infants have bright orange fur that turns black as they grow.
Infants have bright orange fur, which changes to the glossy black fur of their parents as they grow.
It forages for leaves in the morning and late afternoon, then rests and grooms on narrow rock ledges. When moving between trees, its long tail helps it balance.
An extinction-risk assessment has not been added yet.