Slate-colored Dark-eyed Junco

Slate-colored Junco
Dark-eyed Junco - Slate-colored

The above image is a Slate-colored Dark-eyed Junco. Accordingly to The Sibley Guide to Birds the Slate-colored is like the Oregon in size and shape.

Check out more images and information on other Dark-eyed Juncos such as the Oregon, the Pink-sided, the Oregon with Tick, or the Leucistic Oregon.