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Chicken Hawk (Ad Upper parts dark grayish)
Ad. - Upper parts dark grayish brown or fuscous-brown, more or less edged with rufous, ochraceous-buff, and whitish; four outer primaries "notched," the outer one not regularly barred; wing-coverts not edged with rufous; tail rich rufous, with a narrow black band near its end and a white tip; upper breast heavily streaked with grayish brown and ochraceousbuff, lower breast lightly streaked and sometimes without streaks; upper belly streaked, spotted, or barred with black or blackish, forming a kind of broken band across the belly; lower belly generally white without streaks. Im.-Similar, but the tail of about the same color as the back, crossed by numerous more or less distinct blackish bands; no rufous in the markings of the under parts. & L., 20.00; W., 15.50; T., 9.25; B. from N., 95. L., 23.00; W., 16:50; T., 9.75.