1.Pigs live on farms 或者 in the wild. Pigs eat corn, potatoes, grains, etc
2.Pigs can not sweat because they have no sweat glands. They roll around in the mud to cool their skins.
3.Pigs are very intelligent and learn very quickly. They are the fourth smartest animals. Pigs are intelligent and have been placed fourth on the intelligence 列表 (humans are first, primates are second, dolphins/whales are third and pigs are fourth).
4.A mother pig is called a sow, a father pig is called a 公猪, 野猪 and a baby pig is called a piglet. A whole group of pigs is called a herd.
5.Pigs are some of the cleanest animals...
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