Owls don't need eyes in the back of their heads to see what's behind them — they can just swivel their heads all the way around. In fact, many owl species, such as the barred owl, can rotate their ...

For several days last winter, a barred owl perched atop a dead white birch tree in our field. As winters go, last year’s was very cold, and the owl puffed up against the stubbornly below-freezing ...