The Customer as a Hummingbird

Hummingbirds are unique birds. One came in my yard the other day and went straight for a large purple iris. I watched it hover, advance, back up and quickly move to another flower. It seemed in a hurry…maybe fickle. It was very picky in the flowers it chose to shop for nectar. I did a bit of research. Hummingbirds are the only bird that can fly backward for any distance; few birds can hover. They have the highest metabolism of any animal on the planet. And, they are serious consumers—ten time...