Diet and activity of the bear cuscus, Ailurops ursinus, in North Sulawesi,Indonesia

We studied the daily time budget and feeding activity of the bear cuscus, A ilurops ursinus, in the Tangkoko-Duasudara Nature Reserve, North Sulawesi, Indonesia. Bear cuscuses spent 63.4% of their time resting, and feeding acc ounted for only 5.6% of their activity. Bear cuscuses fed on 31 species of plants, including 26 identified trees and lianas from 17 families and 5 uni dentified mistletoes. Dietary preference was influenced by availability of young leaves, and bear cuscuses maximized the amount of young leaves in the diet.