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 study, a system of measuring fox behavior was described that is expected to be useful in QTL mapping to explore the genetic basis of tame and aggressive behavior in foxes. The sculpture "Dmitriy Belyaev and the Domesticated Fox" was built near Institute of Cytology and Genetics (Novosibirsk) the honor of the 100th anniversary of the birth of Dmitry Konstantinovich Belyaev. The tamed fox gives the scientist a paw and wags its tail. Konstantin Zinich, sculptor (Krasnoyarsk) says "The philosophy of touching a fox and a man is approchement, kindness, there is no aggression from the fox – it was wild,