1. large, colorful primates native to equatorial Africa, characterized by bright blue and red facial coloring in males

Examples

• The zoo’s new exhibit features a family of mandrills from Cameroon.
• Male mandrills display vibrant facial colors to attract mates.
• Mandrills are among the largest primates in the world.
• The documentary showed mandrills foraging for fruit in the rainforest.
• Researchers studied the social behavior of mandrills in their natural habitat.
• Mandrills live in large groups called hordes that can contain hundreds of individuals.