The band-tailed pigeon (Patagioenas fasciata) is a medium-sized bird of the Americas. Its closest relatives are the Chilean pigeon and the ring-tailed pigeon, which form a clade of Patagioenas with a terminal tail band and iridescent plumage on their necks. There are at least 8 sub-species, and some authorities split this species into the northern band-tailed pigeon (Patagioenas fasciata) and the southern band-tailed pigeon (Patagioenas albilinea). It ranges from British Columbia, Washington, Oregon, California, and southern Arizona south in higher elevations through Mexico and Central America to northern Argentina. In autumn it migrates out of its permanent resident range into northern California, New Mexico, and parts of Utah and Colorado. It is found from almost sea level to 3,600 m (12,000 ft), generally in oak, pine-oak, and coniferous forests. It feeds on seeds, notably acorns, as well as berries and small fruits.