Remsen, J.V. 1974 Harlan's Hawk Buteo jamaicensis harlani Dec. 28 Barr Lake to Myir Spgs, Colo : I very pale bird along S. Platter. near Goodrich, Morgan Co - mostly dark above and with dark wing linings and some dark streaks on chest ; undersides of primaries and secondaries white, chest mostly whitish, some head white on face, tail white with some dark longitudinal streaks; chunky, Red-tail shape.