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
Domesticated red fox and he made it genetically domesticated." Russian domesticated foxes exhibit a variety of coat color mutations, including red, silver (black), platinum, cross, and Georgian white, the lattermost being a color exclusive to the Russian breeding project. Archaeologists have discovered evidence of fox breeding in the late Iron Age on Orkney Island off the north coast of Scotland. After the attack of the Vikings in Scotland around 800, the breeding is said to have stopped. Domesticated red fox The Russian domesticated red fox is a form of the wild red fox ("Vulpes vulpes") which has been domesticated to an extent, under