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 the minimum is , and for brown trout alone, the minimum is . The modern stream classification system of the Pennsylvania Fish and Boat Commission, including Class A Wild Trout Waters, was developed with Operation Future, which marked a transition from recreation-based management to resource-based management, in 1983. Following statewide stream surveys in the late 1970s and early 1980s, the Pennsylvania Fish and Boat Commission created a set of biomass standards for trout streams in the state. The first streams were designated as Class A Wild Trout Waters in 1983. At that time, 138 stream sections, totaling nearly of streams,