Other Names: none
Distribution: western United States and Canada.
Size: 11-13 cm in length with a 18-30 cm wingspan.
Plumage: Both sexes have a black cap and throat, white cheeks and eyestripe, a gray back, and dull white undersides. The flight feathers are narrowly and indistinctly edged with white. The legs, beak, and eyes are black.