Babirusa actually pierce the flesh in the snout. All species of babirusa are listed as threatened by the International Union for Conservation of Nature (IUCN), shown on their Red List since at least 2010 and current in 2017. The genus is monotypic within the subfamily Babyrousinae, or alternatively considered to form a tribe, Babyrousini, of the subfamily Suinae. To date, only one fossil skull has been found to suggest a larger ancestor. All members of the genus were considered part of a single species until recently, the babirusa or pig-deer, "B. babyrussa", but following the split into several species, this scientific
Class A Wild Trout Waters up more than 75 percent of the total wild trout biomass. The criteria for rainbow trout are considerably simpler: the only requirement is that the biomass of wild rainbow trout less than long must be at least . There is only one stream in Pennsylvania that is Class A Wild Trout Waters for brook trout and rainbow trout: Roaring Run. There are several rankings with lower biomass requirements in the Pennsylvania Fish and Boat Commission's classification system: Class B Wild Trout Waters, Class C Wild Trout Waters, Class D Wild Trout Waters, and Class E Wild Trout Waters. The Pennsylvania