Dark-eyed Junco
Junco hyemalis

Juncos visit every fall. They don't always stay all winter. But it's fairly common to see them around the feeder in winter.

They disappear and head north each spring.

I think the environment should be put in the category of our national security. Defense of our resources is just as important as defense abroad. Otherwise what is there to defend?
Robert Redford
Yosemite National Park dedication, 1985