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
Animal Crossing: Wild World online oddities mentioned include the disappearance of all animal residents during the visit and the fact that North American and European players are unable to connect with Japanese players. "Wild World" producer Katsuya Eguchi stated that these limitations were due to hardware and memory constraints. On December 1, 2005, Media Create stated that "Animal Crossing: Wild World" sold 325,460 copies in Japan in its first week of availability, beating the previous mark set by "Jump Super Stars" and becoming the best-selling title for the Nintendo DS until the release of "". It was the 29th best-selling game in Japan as