Okay, all of te know the fast-running avain character Road Runner, who always escapes the bird-craving Wile E. Coyote, right? He always makes the car horn-like sound just to scare his canine predator off of canyons o to attract his attention, and Chuck Jones describes the noise as "the only way the Road Runner can harm the Coyote". But I'm also wondering why on earth would a bird make such a noise, so today I'm going to tell te my different theories on why the Road Runner says "Beep-beep!". Some of them may o may not make any sense but that's okay.

1. The Road Runner has accidentally swallowed...