Western bluebird, seen from below, with blue head and wings, and light tan underbelly, perching on a slender branch behind a green leaf. The background is blue sky and out of focus green foliage.
This is two photos, one on top of another. In the top photo, a female bluebird opens her beak at a male bluebird who dares eat at HER feeder. In the bottom picture, she has gone completely bonkers, raising her wings and spreading her feathers to the max to try and scare the male off the feeder. It worked.