This junco occurs in the mountains at the southern tip of Mexico's Baja California Peninsula. A specimen comparison cited by the AOS describes its extensive cinnamon sides and lighter, duller back.
Compared with related Mexican Yellow-eyed Junco forms, it is described as having extensive cinnamon sides and a lighter, duller back.
Species accounts place it in arid oak and pine-oak woodland, including semi-open areas, and describe it as terrestrial and omnivorous.
An extinction-risk assessment has not been added yet.