Black and white colobus monkeys Tatu and Dexter are proud parents to a new baby monkey at the Philadelphia Zoo. Zookeepers are still working to determine the sex of the infant and have not yet chosen ...

blue monkeys, king colobus monkeys and crab-eating macaques. They found that the nasal aperture in male proboscis monkeys is ...

Niger Delta red colobus monkeys (Piliocolobus epieni) are endemic to the marshy woodlands of the Niger Delta, Africa’s largest mangrove forest.When the species was first described in the 1990s ...