This hardy species nests in moist pastures and wetlands and forages for seeds, insects, and grain in treetops, fields, and swamplands. In northern areas, it is often the first species to return on spring, the male’s creaky song and flashing red epaulets foretelling winter’s end. After breeding, Red-wingeds may form flocks in the millions.
Bicolored Blackbirds (2 California subspecies) has a black median coverts
VOICE SONG is a harsh, rising hark-a-rree! CALLS include the usual blackbird chk and a higher _pyiu, tyiu, tzit- and tszeeur