All members of this genus were considered part of a single species until recently the babirusa ( B. babyrussa ) , but following the split into several species , this scientific name is restricted to the Buru babirusa from Buru and Sula , whereas the best-known species , the north Sulawesi babirusa is named B. celebensis . All members of this genus were considered part of a single species until 2002 , the babirusa , B. babyrussa , but following the split into several species , this scientific name is restricted to the Buru babirusa from Buru and Sula , whereas the best-known species , the north Sulawesi babirusa , is named B. celebensis .