Babirusa lowland areas near coasts in the past. They are also active during the daytime. Like all pig species, babirusa have an omnivorous diet with an intestinal tract similar to that of the domestic pig. The stomach diverticulum of a babirusa is enlarged which may indicate that it is a ruminant but evidence shows otherwise. Because it does not have a rostral bone in the nose, a babirusa does not dig with its snout like other pigs do except in mud and swampy grounds. The diet of the babirusa includes leaves, roots, fruits and animal material. Apparently, the strong jaws of
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