Why Can't Pigs Fly?

WHY CAN'T PIGS FLY?

I wonder why pigs can't fly, twirl their tails to touch the sky.

Grow huge ears to catch a breeze, soar high like a kite with ease.

Wouldn't it be fun to see, a pig do loopy loops around a tree.

And hear them oink as they fly by, tap their feet to dance on high.

How I dream of pigs with wings, no need for jets, rockets or springs.

Oh why, oh why can't pigs glide free? Shh...it's a secret; just let it be.