Family XVIII. CORVINAE. CROWS.
GENUS II. PICA, Briss. MAGPIE
Bill of moderate length, stout, considerably compressed; upper mandible with the dorsal line declinate and arched, the sides convex, the ridge narrow, the edges nearly straight and overlapping, the notches faint, the tip declinate, and rather sharp; lower mandible with the angle rather long and wide, the dorsal line ascending and slightly convex, the edges inclinate, the tip narrow. Nostrils basal, lateral, roundish, covered by narrow stiff feathers directed forwards. Head large, ovate; neck rather short; body compact. Legs of moderate length, strong; tarsus stout, compressed, with eight scutella; toes of moderate length, stout, first large, stronger; lateral nearly equal, third considerably longer. Claws strong, arched, compressed, acute. Plumage full, soft, blended. Wings of moderate length, much rounded, the first quill very short, extremely narrow and falciform, fourth and fifth longest. Tail very long, graduated. Digestive organs as in Corvus.