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
Howletts Wild Animal Park elephants in the United Kingdom and has one of the largest breeding groups of lion-tailed macaques in the world. The charity that runs Howletts and Port Lympne Wild Animal Park, the John Aspinall Foundation, also runs animal conservation programmes. It has recent success in releasing a black rhino into the wild and has previously released other black rhinos and gorillas. Howletts and Port Lympne have featured on the CBBC television programme "Roar". This shows the two parks, the life of the animals and how the keepers look after them. The first series was filmed in 2006 and, as of March