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Pigs are a type of flat toed ungulates within the family Suidae. The name hog most usually refers to the domestic pig in everyday phrasing. Technically the word pig encompasses numerous types of animals, counting the wild boar. Swine is a communal noun generally used to portray pigs as a group rather than an individual. However it may often be oblique in a negative manner to any living being expressing pig like behaviors.
With around 2 billion on the planet, domestic pigs are by far the most present.

A pig has a snout for a nose, small eyes, and a tiny tail, which may be curly, kinked, or straight. These types of animals have coarse hair and a wide body, short legs. For walking, there are four toes on each foot, with the two big middle toes which are used. Pigs are omnivores, which mean that they devour both plants and animals. These types of animals will hunt and have been known to eat any kind of food, including dead insects, worms, tree bark, rotting carcasses, garbage, and even other pigs. These types of animals are omnivores, and despite their status for gluttony, they are generally social and intelligent animals.
In the wild, these types of animals are foraging animals, mainly eating leaves, grasses, roots, fruits and flowers. Occasionally while in confinement, pigs may eat their own young if they become strictly stressed. A typical pig has a large head with a long snout which is strengthened by a particular prenatal bone and by a disk of cartilage in the tip. The snout is used to dig into the soil to find food and is a very responsive sense organ. Pigs have a full set of 44 teeth. The canine teeth, called tusks, grow endlessly and are sharpened by the lowers and uppers rubbing against each other.