Just a few years ago—2018, by my notes—I was wondering what had happened to the English sparrows, a.k.a. house sparrows, that I had cussed for years as they cleaned out my bird feeders. A quick internet search disclosed that the sparrow disappearance was a global phenomenon, some sort of plague that had swept across Asia and Europe and North America. Not to worry, the sparrows are back now and as voracious as ever.