Buru babirusa infertile hybrids with the domestic pig. Buru babirusa The Moluccan babirusa (Babyrousa babyrussa), also known as the Buru babirusa, golden babirusa or hairy babirusa, is a wild pig-like animal native to the island of Buru and the two Sula Islands of Mangole and Taliabu, all belonging to Indonesia. Traditionally, this relatively small species included the other babirusas as subspecies, but it has been recommended treating them as separate species based on differences in their morphology. As also suggested by its alternative common names, the Buru Babirusa has relatively long thick, gold-brown body-hair – a feature not shared by the other
Wild horse cranial and metacarpal differences, indicates the presence of only two subspecies in postglacial times, the tarpan and Przewalski's horse. At present, the domesticated and wild horses are considered a single species, with the valid scientific name for the horse species being "Equus ferus." The wild tarpan subspecies is "E. f. ferus", Przewalski's horse is "E. f. przewalskii", and the domesticated horse is "E. f. caballus". The rules for the scientific naming of animal species are determined in the International Code of Zoological Nomenclature, which stipulates that the oldest available valid scientific name is used to name the species. Previously, when