Range.—Eastern N. A., breeding in the northern half of the United States and southern Canada; winters in Central America. 756a. Willow Thrush (salicicola) is more olive above; it is found in the Rockies and eastward to the Mississippi River.
GRAY-CHEEKED THRUSH
757. Hylocichla aliciæ. 7½ inches
Quite similar to the following but with the eye ring white and the sides of head and breast much paler.
Breeds in northern Canada and migrates through the eastern states to Central America. 757a. Bicknell Thrush (bicknelli) is similar to the Gray-cheeked but smaller. It breeds in Nova Scotia.
OLIVE-BACKED THRUSH
758a. Hylocichla ustulata swainsonii. 7¼ inches
Upper parts woolly olive gray, with no brownish tinge; eye ring, sides of head and breast distinctly buff; breast spotted with blackish.
Song.—Quite similar to that of the Veery.