As colder weather approaches, I often get questions about winter roosting boxes. Many cavity-nesting birds roost (that is, sleep) in natural cavities, nest boxes, or specially designed roosting boxes.

WWF-Pakistan helps protect cavity-nesting birds from climate threats with 500 nest boxes across Islamabad and Margalla Hills.

Female purple finches can also be told apart from female house finches by their distinct white eyebrow. We have house finches that recently built a nest under our roof overhang. Had it been a messy ...

DEAR JOAN: I have a house flinch that insists on building a nest on the wires — telephone, cable, electric — above my bedroom window. It creates a mess, but I could deal this with it except that last ...

Q: I saw what I think was a Cooper's hawk carrying twigs by its feet in early April. We live in a residential area, so they couldn't be building a nest around here, could they? A: Yes, a pair of ...