“What do you do when you see an endangered animal that eats only endangered plants?”

“What do little birdies see when they get knocked unconscious?”

“If you are sending someone some Styrofoam, what do you pack it in?”

“When I was crossing the border into Canada, they asked if I had any firearms with me. I said, "Well, what do you need?”

“How do you tell when you’re out of invisible ink?”

“Last night somebody broke into my apartment and replaced everything with exact duplicates... When I pointed it out to my roommate, he said, "Do I know you?”

“How do you get off a non-stop flight?”