In India, where wild boars are very plentiful, they generally make their lair among thick bushes in some marshy district, and often do a great deal of mischief to cultivated crops in the neighborhood. They are fond of roots, too, which they grub out of the ground with their snouts, and in hot summers, when the ponds dry up, they are said to dig in the mud at the bottom in search of the fish which have buried themselves until the rainy season. The old boars generally live by themselves, like "rogue" elephants, but the younger ones and the sows go about together in droves of fifteen or twenty, all of which, most likely, are members of the same family.

This is one of the most curious of the swine. It is found in the islands of Celebes and Borneo. In the boar of this animal the tusks in both jaws spring upward, and then curve toward the eyes, so that there is a sort of fringe, as it were, of tusks all round the face. Sometimes the upper pairs are thirteen or fourteen inches long, without counting the part that is buried in the jaw. These, however, are not very useful as weapons. But very severe wounds can be inflicted by the lower tusks, although they are a good deal smaller, and an enraged babirusa is a most formidable foe.

The Animal World, A Book of Natural History — Part 165

When fully grown, the babirusa stands about three feet six inches in height in the middle of the back, which is always very much arched. The color of the skin is dark ashy gray.

The Animal World, A Book of Natural History — Part 165

The wart-hog, or vlack-vark, which is found in Eastern Africa, is certainly the ugliest of all the swine. Its head is enormously large in comparison with its body, the muzzle is very long and broad, under each eye is a great wart-like lump, with two others a little distance below it, and on each side of the mouth two great stout tusks spring upward. Altogether, it would be very hard to imagine a more sullen and ferocious-looking animal.

The Animal World, A Book of Natural History — Part 165

It is not nearly so savage as the babirusa, however, and if it is attacked it nearly always runs away, and tries to take refuge in some hole in the ground, such as the deserted burrow of an ant-bear. When it takes to ground in this way, it always turns round just before entering, and backs in tail foremost. Sometimes, if two or three men stand just over the burrow and jump heavily up and down in time together, it can be induced to bolt. But it is advisable to do so with a good deal of caution, for the animal has a singular way of turning a kind of back somersault just as it leaves its burrow, which lands it upon the top, just where the hunters would most likely be standing. And if they are not very careful one of them at least is almost sure to receive a slashing cut from the terrible tusks, which will certainly cause a severe wound, and may even render him a cripple for life.