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
Animal Crossing: Wild World in the "Animal Crossing" series to feature online play and was the second game to utilize Nintendo Wi-Fi Connection, with which players can visit other villages. Because players are required to exchange and register Friend Codes prior to visiting, connection to random players is not possible. Up to four players can explore the same village simultaneously. NWC can also be used to exchange items and custom-designed patterns between players, as well as receiving exclusive gifts from Nintendo while connected. "Wild World" is also compatible with its Wii successor, "". Players are able to transfer their player character from "Wild World"