DEAR JOAN: I’m used to the squawking of Steller’s jays, but one regular visitor to our yard mimics the cry of hawks in our area. Have you ever heard of this? Any explanation? — Gary Summers, Walnut ...

DEAR GARY: Steller’s jays are more than a little bit devious, using their ability to mimic hawk calls to gain an advantage over a food source. Helping birds navigate our urban world What critter is ...