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? DEAR GARY: Steller’s jays ...

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. A day in the life of a Bay Area bird-watcher: ‘It’s a ...