Why is an elephant braver than a hen?

Which animal makes for a bad Christmas dinner?

What do you get if you cross a cat with a tree?

Why do baseball players have such great retirement plans?

What is the difference between Yankee fans and dentists?

How do you get straight A's?

What do you call an arctic cow?

What is the difference between fleas and dogs?

Why did the mouse get caught by the cat?

Why don't mountains get cold in the winter?

Why are bakers also often hippies?

What's the best type of movie about waterfowl?

What is Homer Simpson's favorite ice cream?

Why did the duck cross the road?

Knock knock. Who's there? Nobel. Nobel who?