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
Buru babirusa data on "B. babyrussa", it is generally assumed that its habitat and ecology are similar to that of "B. celebensis" (north Sulawesi babirusa). Furthermore, as all babirusas were considered conspecific under the scientific name "B. babyrussa" until 2001, data collected before that is consistently listed under the name "B. babyrussa", though the vast majority actually refers to "B. celebensis" (by far the best known species of babirusa). Babirusas tend to occupy tropical rainforests, river banks and various natural ponds rich in water plants. They are omnivorous and feed on various leaves, roots, fruits, invertebrates and small vertebrates. Their jaws and