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
Class A Wild Trout Waters at least one Class A Wild Trout stream. However, in that year, only nine counties contained at least of Class A Wild Trout Waters. Class A Wild Trout Waters are virtually never stocked with trout since they are managed solely for the propagation of wild trout. However, most current Class A Wild Trout streams were historically stocked with trout prior to the introduction of the Pennsylvania Fish and Boat Commission's classification system. They may also be tributaries of streams that are stocked with trout. In 2014, there were 274 Class A Wild Trout Waters for brook trout, comprising of streams.