WHITE BORDER WHITE BELLY SILVERY BORDERED RED IRIS RED AND WHITE BILL ADULT MALE HIGHLY COLORED ECLIPSE AND IMMATURE MALE WHITE PATCH CONSPICUOUS WHITE EYE-RING CRESTED

HARLEQUIN DUCK
(Histrionicus histrionicus)

WHITE MARKS STOCKY, DARK, SMALL BILL FEMALE HAS SMALLER BILL PLAIN DARK BODY

DIVING DUCK CHARACTERISTICS
(Aythyinae)

LEGS SET NEAR REAR OF BODY DIVE COMPLETELY UNDER WATER TO SECURE FEED SPECULUM GENERALLY DULL, LACKS IRIDESCENCE USUALLY SWIM WITH TAIL HELD CLOSE TO WATER HIND TOE LOBED, FOOT LARGE ON TAKE OFF PATTER ALONG SURFACE FOR SOME DISTANCE

REDHEAD
(Aythya americana)

GRAY BACK GRAY WING STRIPE CHESTNUT HEAD HIGH ABRUPT FOREHEAD BLUE BILL, BLACK TIP BLACK BREAST LIGHT PATCH