This cute little birdie is the Cactus Wren and is the state bird of Arizona! It is the largest wren in North America (about 7-9 inches long), and the male and female look alike.
They like to build their nests in cactus - preferably Chollas and Saguaros. Their nests resemble footballs with a hole in one end. They are noisy birds, and will chatter at other animals while they are building a nest.
Ted got these pictures while hiking this past weekend.