Too Big for the Birdhouse

Birdhouses for the eastern bluebird (indigenous to our area), have a circular entrance hole 1½” in diameter. Any smaller, and an adult bluebird cannot get in. Any larger, and things other than the bluebird will find their way in (not good). The story doesn’t end here. It seems some non-bluebird animals, despite their restrictive size,Continue reading “Too Big for the Birdhouse”