Public domain · Scott Bauer, USDA · source
Quick Facts
- Type
- Mammal
- Size
- 0.9–1.4 m body length
- Weight
- 50–350 kg
- Habitat
- Farms and woodland edges worldwide
- Diet
- Omnivore — roots, grain, fruit, insects, meat
- Active Time
- Diurnal, active during the day
- Lifespan
- 15–20 years
Field Notes
- Pigs are considered the fourth most intelligent animal after apes, dolphins, and elephants.
- A pig's squeal can reach 115 decibels, about as loud as a chainsaw or a loud rock concert.
- Pigs cool themselves by wallowing in mud, since they lack functional sweat glands.
About the Domestic Pig
The domestic pig (Sus scrofa domesticus) was domesticated from Eurasian wild boar at least 9,000 years ago, independently in multiple regions including the Near East and China. Pigs are omnivores with acute senses of smell — their snouts contain millions of olfactory receptors, making them skilled at locating food underground. Despite their reputation, pigs are highly intelligent, ranking fourth among animals in cognition tests, and are naturally clean when given space. They are raised worldwide for pork, bacon, leather, and pharmaceutical products.
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