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Feral pigs, however, rapidly revert to the dark and bristly form of the [[wild boar]] from which domestic pigs are derived. Feral swine in the Americas, thought to be descendant from those immigrated with the Spanish, exist in the southern United States. Estimates place the number of wild swine at as many as two million in this area.<ref>[http://texnat.tamu.edu/symposia/feral/feral-5.htm A National Perspective on Feral Swine]. Dale Rollins. Retrieved from the Texas Natural Resource Server 30 January 2008.</ref>

Feral pigs, however, rapidly revert to the dark and bristly form of the [[wild boar]] from which domestic pigs are derived. Feral swine in the Americas, thought to be descendant from those immigrated with the Spanish, exist in the southern United States. Estimates place the number of wild swine at as many as two million in this area.<ref>[http://texnat.tamu.edu/symposia/feral/feral-5.htm A National Perspective on Feral Swine]. Dale Rollins. Retrieved from the Texas Natural Resource Server 30 January 2008.</ref>

Male pigs are called boars, female pigs are called sows, and baby pigs are called piglets.

Male pigs are called boars, female pigs are called sows, and baby pigs are called piglets.

Pigs are surprisingly intelligent, and trained pigs are used in parts of Europe to root for [[truffle]]s.  

Pigs are noted for their intelligence, and trained pigs are used in parts of Europe to root for [[Truffle|truffles]].  

[[Bacon]], [[pork]], often in the form of the [[sausage]] and ham come from pigs. [[Pigs' trotters]] are a delicacy in northern England, dried [[pigs' ears]] are readily available as a treat for [[dog]]s, and the fat of the pig is [[lard]], the skin is often either deep fried or baked and sold as [[pork scratchings]] in UK [[pubs]].  It is said that everything of the pig can be eaten, with the exception of the oink.  

[[Bacon]], [[pork]], often in the form of the [[sausage]] and ham come from pigs. [[Pigs' trotters]] are a delicacy in northern England, dried [[pigs' ears]] are readily available as a treat for [[Dog|dogs]], and the fat of the pig is [[lard]], the skin is often either deep fried or baked and sold as [[pork scratchings]] in UK [[pubs]].  It is said that everything of the pig can be eaten, with the exception of the oink.  

Footballs are traditionally made from a pig's skin, and for the earliest ballgames, an inflated pig's [[bladder]] was used for a ball.  

Footballs are traditionally made from a pig's skin, and for the earliest ballgames, an inflated pig's [[bladder]] was used for a ball.