What goes ooo ooo ooo?

What do you call a sarcastic duck?

What animals make the best students?

Why are bakers also often hippies?

What's the king of all school supplies?

Why are sheep such great pranksters?

What did the snake name his daughter?

What occurs twice in a lifetime, but only once in a year, twice in a week, but never in a day?

How did groundhogs get their name?

What did the cat say when he fell off the table?

Why don't skeletons ever go trick-or-treating on Halloween?

Who always has a date on Valentine's Day?

What do two oxygen molecule friends call each other?

What day of the week do chickens hide?

Knock, knock. Who's there? To. To who?