 Yeah, you know, I mean, certainly it's possible to design crossings that, you know, that benefit multiple species. And, you know, those underpasses for elk in Arizona have been used not only by elk, but by, you know, by deer and mountain lions and bobcats and all kinds of critters. But you're right that each species sort of requires different, you know, habitat features to, you know, make it appealing to them.