The greater yellowlegs is similar in appearance to the smaller lesser yellowlegs. The call is harsher than that of the lesser yellowlegs. The call of this bird is softer than that of the greater yellowlegs. The lesser yellowlegs ("Tringa flavipes") is a medium-sized shorebird. The greater yellowlegs ("Tringa melanoleuca") is a large North American shorebird. Migrants include, lesser snow geese, greater and lesser yellowlegs, long-billed dowitchers, and western sandpipers. Marsh birds include lesser yellowlegs, spotted sandpipers, Wilson's snipes, and upland sandpipers. A medium-large shorebird, the lesser yellowlegs measures .