Other Names: none
Distribution: discontinuously throughout coniferous forests of North America in summer; northern South America in winter.
Size: 13-14 cm in length.
Plumage: Olive-brown to gray overall, with dark sides of the breast and flanks separated by a white patch down the center of the breast. White feather tufts protrude from the lower back at the base of the tail. The beak and legs are gray and the eyes are black.