Western Scrub-JayAphelocoma californica
11-13" (28-33 cm). Robin-sized, but large strong bill and long tail make it appear larger. Head, wings, and tail blue (conspicuous when it glides in a long, undulating flight); back dull brown; underparts light gray. No crest; dusky face mask. White throat offset by incomplete blue necklace. See Gray-breasted Jay.