Why is bird poop white?

Have you ever looked at a bird turd? Like, really looked at it? If so, you might’ve noticed there’s a lot of white in there. But what is that white stuff?  We asked bird expert Amanda Bender to help us find the answer.Got a question that’s poo-sitively great? Send it to us at BrainsOn.org/contact, and we’ll help find an answer that doesn’t stink!