Any of various leaf-eating Old World monkeys that live in trees in South Asia. There are about 20 species. Langurs are related to the colobus monkey of Africa. (Genus Presbytis and other related genera.)
The stars represent the states of Pohnpei, Kosrae, Yap, and Chuuk. The blue field is said to represent the Pacific Ocean. Effective date: 30 November 1978.