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, Ailurops ursinus, in the Tangkoko-Duasudara Nature Reserve, North Sulawesi, Indonesia. Bear cuscuses spent 63.4% of their time resting, and feeding accounted 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 unidentified mistletoes. Dietary preference was influenced by availability of young leaves, and bear cuscuses maximized the amount of young leaves in the diet.