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 online oddities mentioned include the disappearance of all animal residents during the visit and the fact that North American and European players are unable to connect with Japanese players. "Wild World" producer Katsuya Eguchi stated that these limitations were due to hardware and memory constraints. On December 1, 2005, Media Create stated that "Animal Crossing: Wild World" sold 325,460 copies in Japan in its first week of availability, beating the previous mark set by "Jump Super Stars" and becoming the best-selling title for the Nintendo DS until the release of "". It was the 29th best-selling game in Japan as