Adults are among the largest sparrows, heavily spotted and streaked underneath. All feature a central breast spot though it is less noticeable on the thick billed and slate-colored varieties. Plumage varies markedly from one group to another.
The Fox Sparrow forage by scratching the ground, which makes them vulnerable to cats and other predators, though they are generally plentiful. Fox sparrows migrate on the west coast of the United States.
They mainly eat seeds and insects, as well as some berries. Coastal fox sparrows may also eat crustaceans.
Fox sparrows nest in wooded areas across northern Canada and the west coast of North America from Alaska to California. They nest either in a sheltered location on the ground or low in trees or shrubs. Nests typically contains two to five pale green to greenish white eggs speckled with reddish browns.