Babyrousa
| Babirusa | |
|---|---|
 |
|
| A male North Sulawesi babirusa; note that only the adult males possess the distinctive tusks. | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Mammalia |
| Order: | Artiodactyla |
| Family: | Suidae |
| Subfamily: | Babyrousinae |
| Genus: |
Babyrousa Perry, 1811 |
| Species | |
|
3-4, See text. |
|
3-4, See text.
The babirusas, also called deer-pig (Indonesian: babirusa) are a genus, Babyrousa, in the pig family (Suidae) found in Wallacea, or specifically the Indonesian islands of Sulawesi, Togian, Sula and Buru. 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. The remarkable "prehistoric" appearance of these mammals is largely due to the prominent upwards incurving canine tusks of the males, which actually pierce the flesh in the snout. If a babirusa does not grind its tusks (achievable through regular activity), they can eventually keep growing so as to penetrate the animal's own skull.
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 name is restricted to the Buru babirusa from Buru and the Sula Islands, whereas the best-known species, the north Sulawesi babirusa, is named B. celebensis. The split, which uses the phylogenetic species concept, is based on differences in size, amount of hair on body and tail-tuft, and measurements of the skull and teeth.
B. babyrussa beruensis was described as an extinct, subspecies from southwestern Sulawesi before babirusas were split into multiple species.
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