Every owl fancier has a story of the first time they heard an owl — or, rather, didn’t hear one. It’s unforgettable to see an enormous bird, whose wingspan can reach more than six feet, slipping ...
Ms. Ackerman is the author of “What an Owl Knows: The New Science of the World’s Most Enigmatic Birds,” from which this essay is excerpted. When the first lucky observers spotted Flaco, the Eurasian ...