 Priscilla in Massachusetts is on the line. And while we all love birdhouses, guess who else likes them? Squirrels. Let's help her keep them out. What can we do for you today? They've chewed away at the holes of it so that they actually have made the holes bigger. And because of that, the birds are not going in there because the squirrel can go in there. So I've already tried PVC piping because I figured that's something I can put in there, insert it into.