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

by Charles K. Reed

WESTERN EVENING GROSBEAK.

514a. Hesperiphona vespertina montana. 8 inches.

Western North America, and breeding from British Columbia to central California. They build in the evergreen trees upon the mountain side or along some stream in the willows; they are always frail structures made up of a few loosely put together twigs and roots. Three or four pale greenish eggs, spotted sparingly with brown, are the usual complement (.90 × .65).