Other Names: none
Distribution: intermountain western United States in summer; mountainous areas of north and central Mexico in winter.
Size: 9-10 cm in length.
Plumage: Males are metallic green, with a rose-red gorget, green crown, and a broad dull tail. Females have green central tail feathers, outer tail feathers that are rust-colored at the base, black in middle, and white on the outer tips. The bill and eyes are black.