Western Bird Guide: Birds of the Rockies and West to the Pacific

by Charles K. Reed

OLIVED-BACKED THRUSH.

758a. Hylocichla u. swainsoni. 7½ inches.

Range.—North America, breeding on the western coast in Alaska, Oregon, California and Colorado. Their nesting habits, eggs and song are the same as the [Russet-backed] (not illustrated).