North Sulawesi babirusa suggestive of a deer's antlers. Together with the other members of the genus "Babyrousa", the North Sulawesi babirusa has usually been considered a subspecies of a widespread "Babyrousa babyrussa", but recent work suggests that there may be several species, differentiable on the basis of geography, body size, amount of body hair, and the shape of the upper canine tooth of the male. Following the split, the "true" "Babyrousa babyrussa" is restricted to Buru and the Sula Islands. Most experts agree that babirusas are part of the pig family, and are one of the oldest living members of the family, representing
Class A Wild Trout Waters at least one Class A Wild Trout stream. However, in that year, only nine counties contained at least of Class A Wild Trout Waters. Class A Wild Trout Waters are virtually never stocked with trout since they are managed solely for the propagation of wild trout. However, most current Class A Wild Trout streams were historically stocked with trout prior to the introduction of the Pennsylvania Fish and Boat Commission's classification system. They may also be tributaries of streams that are stocked with trout. In 2014, there were 274 Class A Wild Trout Waters for brook trout, comprising of streams.