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
Wild animal suffering misery is restored.Building on this, others have argued that the prevalence of r-selected animals in the wild indicates that the average life of a wild animal is likely to be very short and end in a painful death. According to this view, the average life of a wild animal should thus contain more suffering than happiness, since a painful death would outweigh any short-lived moments of happiness in their short lives. In "Bambi or Bessie: Are Wild Animals Happier?" Christie Wilcox argues that wild animals do not appear to be happier than domestic animals, based on findings of wild animals