If you live in a city, you’ve seen them strutting down sidewalks, bobbing their heads, and cooing from ledges. But have you ever stopped mid-bite of your sandwich to ask: Where do these birds actually sleep?
The classic. The gap between the top of the AC unit and the bottom of the window sash is the perfect "crevice." It’s warm in winter and shaded in summer. If you hear cooing right outside your bedroom window, check here first.
Now, replace "sea cliff" with "skyscraper."