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”

Puffed Up and Proud

Most of us are familiar with the puffer fish. We’ve seen pictures of them in their bloated state where they look like they are auditioning for the Macy’s Thanksgiving Day Parade. (Not surprisingly, balloon fish is another name for them). Blowing themselves up is a defensive response the fish make to any perceived danger—they quicklyContinue reading “Puffed Up and Proud”