Being a field biologist is a lot like being a detective. Field biologists look for clues to help them learn about animals. Use the Field Guide to get to know the animals by clicking their pictures. Once you are familiar with the animals, click Animal Identification Challenge to test your rainforest detective skills.

Black and White Colobus Monkey

Colobus guereza

Size: 17-27 lbs.

Diet: Tree leaves, fruit

Habitat: Forests

Range: Equatorial Africa

Life span: 20 years

Social organization: Troops of 3-15 with one adult male, 2-4 females, subadults, juveniles and infants

Threats to survival: Habitat destruction, hunting for sale or trade

Fun facts: Colobus monkeys spend close to two-thirds of their day resting. Adults have beautiful, black and white coats, but newborn infants are snow-white. Unlike other monkeys, people, or other kinds of primates, this monkey has no real thumbs.