The eyes are directed forward for binocular vision. The patas monkey has spatulate incisors, conspicuous canines, and bilophodont molars. The body, excluding the tail, is about 50 to 70 cm. The reddish-colored tail is about the same length. Some people say they are built like a greyhound.
Sexual dimorphism is present in the patas monkey.
The patas monkey is omnivorous. The diet consists mainly of fruits and insects but also includes leaves, roots, and bird eggs. They have, however, been found to subsist on either animal or vegetable substances. Reproduction The birthing season for this species begins in December and ends in January. The age of sexual maturity is 4-4.5 years old in males and 3 years in females.