Anatomy: The American Tree Sparrow is about 6 inches (15 cm) long. It has a long tail and a red-brown cap. It is distinguished by a dark spot in the center of its breast, and frosty edges on the wings and tail.

Diet: The American Tree Sparrow eats seeds and small insects.

Nest and Eggs: The American Tree Sparrow's nest is built on or near the ground in a natural depression, near the base of scrubby trees and shrubs. The female lays 3-5 eggs in each clutch (a set of eggs laid at one time).