Hummingbirds, according to my bird book, have hearts that beat 1260 times a minute. That translates, if my math is to be trusted, to 21 beats per second. As the only birds capable of flying backwards, their aerial acrobatics are fascinating to watch as they hover, accelerate, and change directions like a biological UFO. During the summer they guzzle the empty calories of sugar-water that we leave for them in our feeders, so that we can lure them close enough to observe (that is, after all, how humans interact with their environment). The other day I watched a snapshot of developmental behavior. This July has been a good one for hummingbirds, with several a day visiting the local watering hole. I sometimes wonder about the flowers that are overburdened with nectar as these tiny birds hover by their communal font. At first it seemed that only one bird frequented the feeder. Then two came along, and although four feeding spouts were available, one would always chase the other away in a dogfight worthy of Baron von Richthofen. A third showed up, and when the first was busy chasing the second away, would fly over to the feeder to attempt a nip. Then a fourth. Eventually a fifth. And although there are four evenly spaced openings, only one took a drink at a time.
“Bird brain” is a speciesist insult. Many birds are very intelligent and the comparison with human behavior is often apt. Protecting one’s private stash that is more than adequate for the community is worthy of comparison. Not to complicate speciesisms, but when a person prevents another from enjoying what one cannot, we call it being a dog in a manger (dogs, of course, do not eat the provender of the barnyard herbivores). A bird flying so fast that it’s a blur chases another away and cannot enjoy the high-calorie, human intoxicant we offer so that we can appreciate its incredible display. If we could fly like that, would we be so short-sighted?
God-like, we attempt to make nature in our own image. And mix metaphors like a professional editor. Not far from the shelter of the human breadline we offer, hover the larger, predatory birds. Those who fly fastest, super-charged with sugar and spite, stand a better chance of surviving. And when a luxury liner encounters an iceberg in the frigid north Atlantic, those who’ve lingered longer at the feeder are better equipped to gain quick access to the lifeboats that are sorely inadequate for the overbooked cruise. And if I were on board, would I not be like a hummingbird in the manger? My heart beats 21 times a second just to think about it.