 I've never had other ones in there. If I see that something's trying to get in there, I might take the box down for a little bit and then, you know, until they're gone. But I've always had the bluebirds and dealt with that. That's all I know. I can't speak for anything else. But, yeah, I've had infested nests where they were just crawling all over the babies. And I had, you know, I fixed that. But anyway...