A mother pig is called a sow.
A father pig is called a boar.
A baby pig is called a piglet.
A whole group of pigs is called a herd.
 

A sow can give birth to 8 - 12 piglets in one litter, and can have 2 litters in one year.
 

Some pigs have straight tails. Others have curly tails.
 

Pigs have four toes on each hoof. Pigs walk on only two of their toes on each foot.  They look like they are walking on tiptoe.
 
We use almost every part of the pig.

• Bones & skin are used for glue, pigskin garments, gloves, shoes and footballs.

• Hair is used for artist's brushes, insulation, upholstery.

• Dried bones are used for buttons, bone china.

• Fatty acids and glycerin are used for insecticides, floor waxes, weed killers, water-proofing
   agents, cement, rubber, crayons, cosmetics, chalk, antifreeze, plastics, putty, cellophane.

• Pigs are a source of nearly 40 drugs and pharmaceuticals such as insulin.

• Pig heart valves are surgically implanted in humans to replace diseased valves.