Pink-Sided Junco
567g. Junco hyemalis mearnsi. 6 inches.
These breed at high altitudes in the mountains of Montana, Wyoming and Idaho, and winter south to Mexico.
Thurber Junco
567c. Junco hyemalis thurberi. 6 inches.
Found most commonly in the Sierra Nevadas from Oregon to southern California. The difference in coloring is shown in the illustrations of this and the two preceding.