topSize: 43-61 cm (17-24 in)
Wingspan: 94-111 cm (37-44 in)
Weight: 486-774 g (17.16-27.32 ounces)
Medium-sized to large hawk.
Wings and tail striped black and white.
Underparts barred reddish.
Pale crescent near wingtips in flight.
Rusty red on upper part of wing. In flight, rusty wing coverts contrast with black-and-white striped flight feathers. Tail with several wide dark bands separated by thin white ones; tail pattern light below, dark above. Legs and cere yellow. Eyes black.
Sexes look alike; female larger
Juvenile in East streaked brown and white on underside, brown above, tail with dark and light brown bands, wing crescent tawny. Juvenile in West similar to adult, with more barring than streaking on underside and distinct tail banding.