This bird is native to western coastal North America. Males have red shoulder patches and females are gray. They nest in colonies among waterside vegetation and form large flocks outside the breeding season.
Males have dark red shoulder patches and white areas on the wings. In fall, males have brown plumage; females are gray with a lighter throat.
It nests among aquatic plants and forms large colonies during breeding. Outside that season it moves in large flocks and eats insects, seeds, and other plant foods.
An extinction-risk assessment has not been added yet.