ADULT In summer has iridescent greenish black head and neck; note two rows of white stripes on neck.… read more
ADULT In summer, has reddish orange neck and flanks. Back is black and black head is adorned with go… read more
ADULT In summer, has gray-brown plumage, palest on flanks and neck. Bill is pale gray with a strikin… read more
ADULT has mainly dark plumage, but pale feather centers on back and upper wings create a scaly appea… read more
ADULT Has pure white plumage; during breeding season, long back plumes trail beyond tail. At all tim… read more
ADULT Typical morph appears blue-gray overall, but neck is tinged pinkish and adorned with black and… read more
ADULT Has beautifully patterned brown plumage. Neck and breast have chestnut stripes on paler backgr… read more
ADULT Has pure white plumage for much of year but at height of breeding season it becomes flushed ye… read more
ADULT Has dark green crown, rufous-maroon face and neck, and white running from throat down center o… read more
ADULT BREEDING Has mostly dark blue-gray plumage but a rich purplish maroon head and neck. Has long … read more
ADULT MALE Mainly yellow-buff, palest on underparts, with buff stripes on throat and breast. Cap and… read more
ADULT BREEDING Blue-gray overall with pale streaks on back and wings and striking face markings: whi… read more
ADULT Has dark, daggerlike bill, black crown and back, gray wings, and pale face and underparts; eye… read more
ADULT Appears mainly blackish in harsh light, but brownish plumage tone is revealed at close range. … read more
ADULT Has blackish plumage, except for silvery white primaries. Bald head and upper neck are gray wi… read more
ADULT MALE Has shiny green-blue crown and mane, adorned with white lines. Chin and throat are white,… read more
ADULT MALE Has chocolate brown head and nape, with white breast extending as stripe up side of head.… read more
ADULT MALE Has a striking head pattern with green stripe stretching back from eye, creamy white fore… read more
ADULT MALE Has shiny green head (looks dark in poor light), white breast, and chestnut on flanks and… read more
ADULT MALE Has chestnut-orange head with green patch through eye, faintly bordered with yellow. Plum… read more
ADULT MALE Has bluish head with diagnostic white crescent. Body is buffy brownish, marbled with dark… read more
Mallard
Anas platyrhynchos
ADULT MALE Has yellow bill and green, shiny head and upper neck that are separated from chestnut bre… read more
ADULT MALE Has a buffy gray head and neck, with clear separation from the darker gray, finely patter… read more
ADULT MALE Has black head and neck, former appears shiny purple in good light (green in male Greater… read more
Redhead
Aythya americana
ADULT MALE Has a reddish orange head and upper neck, clearly demarcated from the black lower neck an… read more
ADULT MALE Has light gray belly and flanks, the leading edge of which is pale and appears as a verti… read more
ADULT MALE Has a reddish chestnut head, black breast and vent, and otherwise very pale gray body. No… read more
ADULT Has black head and neck, and white cheek. Bill and legs are black. Typical birds have gray-bro… read more
ADULT MALE Has rather large, rounded head that looks black and white in poor light; good light revea… read more
ADULT MALE Has mainly black and white plumage. Rounded, peaked head appears dark in poor light, but … read more
ADULT WHITE MORPH Has mainly white plumage, with black primaries. Bill and legs are pink. ADULT blue… read more
Hooded Merganser
Lophodytes cucullatus (Mergus cucullatus)
ADULT MALE Has large crest that can be flattened or fanned, presenting a large, gleaming white patch… read more
ADULT MALE Unmistakable, with bright red-orange bill, glossy green head (looks dark in poor light), … read more
ADULT MALE Has a narrow reddish bill, a green head (looks dark in poor light), white neck, and strea… read more
ADULT MALE In breeding plumage, has orange-chestnut body plumage, white cheeks, black cap and nape, … read more
ADULT Has dark blue-gray upperparts, darkest on crown and palest on nape (creating capped effect). U… read more
ADULT Has mainly dark blue-gray upperparts, barred orange-rufous underparts, and fluffy white vent f… read more
ADULT Has brown head, back, and upper wings, and reddish tail. Most eastern birds have pale underpar… read more
ADULT ssp. lineatus (the typical subspecies in east) Has mostly faintly barred reddish orange underp… read more
ADULT Light morph has brown upperparts including head; throat is pale, with dark malar stripe, breas… read more
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