The Longspurs, genus Calcarius, are a group of birds in the family Calcariidae. The name refers to the long claw on the hind toe of each foot.
These are chunky ground-feeding birds with long wings which are usually seen in open areas. Males declare ownership of a territory by singing during short flights over it. The male's breeding plumage is much brighter than his winter plumage. These birds gather in large flocks in winter.