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 zoo to sell them, but were stopped, as a act of revenge they decided to throw a live donkey in the tigers enclosure in front of a audience, the entire ordeal was filmed. The donkey was mauled by the tigers and died half an hour later, the shareholders planned on throwing other animals as well but were stopped. Since there is no laws in China to prevent Animal Cruelty nothing was done about the incident. 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.