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
Frank Buck (animal collector) antelope and deer, 9 pigmy water buffalo, a pair of gaurs, 5 babirusa, 18 African antelope, 40 wild goats and sheep, 11 camels, 2 giraffes, 40 kangaroos and wallabies, 5 Indian rhinoceros, 60 bears, 90 pythons, 10 king cobras, 25 giant monitor lizards, 15 crocodiles, more than 500 different species of other mammals, and more than 100,000 wild birds. Sultan Ibrahim of Johor was a good friend of Buck's and frequently assisted him in his animal collecting endeavors. Buck's final film role was an appearance as himself in the 1949 Abbott and Costello comedy "Africa Screams". His last recorded performance