24 cm (9") Common. Pacific coast rocky shores, breakwaters.
Black head and chest, white belly. Legs are dark reddish brown.
Breeding: white eyebrow stripe and white spot between bill and eye, white speckling on side of breast.
In flight: boldly patterned black and white.
Song: rattling guttural calls.
Images

Credit: Andrea Pokrzywinski

Credit: David Hofmann

Credit: Chuq Von Rospach

Credit: Len Blumin

Credit: Bill Bouton