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Can Rough-Legged Hawk

Ad., light phase. - Upper parts fuscous-brown, margined with whitish and ochraceous-buff; inner vanes of the primaries white at the base; basal half of the tail white or buffy, end with two or three grayish or whitish bars; under parts varying from white to ochraceous-buff, streaked and spotted with black, these marks uniting to form a broken band across the belly; front of tarsi entirely feathered. Im., normal phase. Similar to the ad., but the end half of the tail without bars except for the white tip, the under parts more heavily marked with black, the belly band being broad and continuous. Black phase. - Plumage more or less entirely black, the primaries and tail barred with whitish and grayish. L., 22.00; W., 16.00; T., 9.50.