March 1st is National Pig Day! Here are the Pig Facts!

Pigs don't sweat. They roll in mud to stay cool!
Pigs are very clean animals.
Pigs are smarter than dogs.
Pigs say more than just oink! They have more than 20 calls!
Pigs are social
Pigs have powerful noses
Pigs can't fly, but they can run and swim!
Pigs have excellent memories.