Chlorocebus sabaeus, commonly known as the West African green monkey, is a species of Old World monkey found primarily in West Africa. They inhabit a variety of environments, including savannas, forests, and urban areas. These monkeys are known for their distinctive greenish-yellow fur and long tails, which help them maintain balance while climbing. West African green monkeys are social animals, living in troops that can consist of up to 50 individuals. Their diet mainly consists of fruits, seeds, and insects. They are also known for their vocalizations and complex social structures, which help them communicate and establish relationships within their groups.