They are familiar residents of many zoos. Lemurs use their hands and feet to move nimbly through the trees, but cannot grip with their tails as some of their primate cousins do. Ring-tailed lemurs ...

Whereas the largest species at the Duke Lemur Center, the Coquerel’s sifaka, weighs as much as a house cat and stands two feet tall. Veterinarian Cathy Williams with a gray mouse lemur, the smallest ...

and release silky sifaka located at roughly 3,000 feet elevation in the Marojejy reserve. Their goal is to gather data on the distribution and behavioral ecology of this all-but-unknown lemur that ...