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.
GRAY-HEADED JUNCO.
570b. Junco phœonotus caniceps. 6 inches.
The same as the Slate-colored, with the exception of having the back a reddish brown. The nests of all the Juncos are placed on the ground, and the markings of their eggs vary but little.
BAIRD JUNCO.
571. Junco bairdi. 6 inches.
Found in the mountains of southern and Lower California. This is a gray-headed variety with brown on the back and sides.