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