Because their pecker is on their head.
Elon's musk
They are just OFF-full
Birds of Pray
Fred: A bird that steals ma'am.
Astronomy is about things too big to wrap your head around, while gastronomy is about things small enough to wrap your head around.
Doug
Daughter: Looking at peckers. M: WHAT ! D: Science project on chickens. M: Oh. D: You walked RIGHT into that.
Their peckers are on their heads.
Because he doesn't like looking down on the unemployed. First to ever post this joke here, yay!
Yellow in the front, brown in the back.