Buru babirusa teeth are strong enough to crack any kind of nuts. Babirusas lack the rostral bone in their nose, which is a tool used by other wild pigs for digging. Therefore, they prefer feeding on roots in soft muddy or sandy soils. Cannibalism was reported among babirusas, feeding on the young of their own species or other mammals. North Sulawesi babirusas form groups with up to a dozen of individuals, especially when raising their young. Older males might live individually. The north Sulawesi babirusa reach sexual maturity when they are 5–10 months old. Their estrous cycle is 28–42 days, and the
Yancheng Wild Animal World Yancheng Wild Animal World Yancheng Wild Animal World is located in the Yangtze River golden triangle area of the Changzhou Wujin city center in Jiangsu. The zoo is open only in spring and autumn. Seven kilometers south of Changzhou, the Yancheng Wild Zoo is located within the ruins of an ancient town, 0.6 square kilometers in area, whose history can be traced back to the Western Zhou Dynasty and the Spring and Autumn period, approximately 3000 years ago. A variety of artifacts have been discovered within the excavation site, including china and bronzes. The most historically significant items recovered are