Babirusa Babirusa The babirusas, also called deer-pigs () are a genus, Babyrousa, in the swine family found in Wallacea, or specifically the Indonesian islands of Sulawesi, Togian, Sula and Buru. All members of this genus were considered part of a single species until 2002, the babirusa, "B. babyrussa", but following the split into several species, this scientific name is restricted to the Buru babirusa from Buru and Sula, whereas the best-known species, the north Sulawesi babirusa, is named "B. celebensis". The remarkable "prehistoric" appearance of these mammals is largely due to the prominent upwards incurving canine tusks of the males, which
Wild animal suffering having greater levels of cortisol and elevated stress responses relative to domestic animals. Additionally, unlike domestic animals, animals in the wild do not have some of their needs provided for them by human caretakers. Welfare economist Yew-Kwang Ng has written that evolutionary dynamics can lead to animal welfare which is worse than necessary for a given population equilibrium. In the essay 'On Nature', utilitarian philosopher John Stuart Mill wrote about suffering in nature and the normativity of struggling against it: In sober truth, nearly all the things which men are hanged or imprisoned for doing to one another, are nature's