Harlequin Duck
Histrionicus histrionicus
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A compact sea duck (~550 g) in family Anatidae, males strikingly patterned in slate-blue with chestnut and white markings. Breeds along fast-flowing mountain streams in North America, Greenland, and Iceland; winters on rocky surf-swept coastlines. Feeds on aquatic invertebrates. Least Concern with stable populations across its range.
Physical Description
| Measurement | Value | Imperial |
|---|---|---|
| กว้างปีก | 38.8 cm | 15.3 in |
| น้ำหนัก | 553.0 g | 19.51 oz |
การยืนยันชนิดพันธุ์
ขนนก
Male is slate-blue with bold white crescent before eye, white spots and streaks on head, neck, and scapulars, and rich chestnut flanks. Female is dark sooty-brown with three white facial patches.
Habitat & Range
อาณาเขตทางภูมิศาสตร์
Breeds on fast-flowing rivers in Iceland, Greenland, and northern North America. Winters along rocky Pacific and Atlantic coasts south to California.
Diet & Feeding
Forages in fast-flowing streams for aquatic insect larvae, amphipods, and small fish. Dives and clings to rocks in turbulent water.
สถานะการอนุรักษ์
พฤติกรรมและการผสมพันธุ์
การทำรัง
Nest type: CP. Incubation: 27-29 days. Fledging: 42-70 days.
จำนวนไข่
3-9
เสียง
เสียงร้อง
Male gives a squeaky, mouse-like squeal; female produces a guttural, grunting call. The male's bizarre, high-pitched squealing call is completely unexpected in such a compact seaduck.
อนุกรมวิทยา
| Kingdom | Animalia |
| Phylum | Chordata |
| Class | Aves |
| อันดับ | Anseriformes (Waterfowl) |
| วงศ์ตระกูล | Anatidae (Ducks, Geese & Swans) |
| Genus | Histrionicus |
| ชนิดพันธุ์ | Histrionicus histrionicus |
External Databases
คำถามที่พบบ่อย
What does the Harlequin Duck eat?
Where does the Harlequin Duck live?
Is the Harlequin Duck endangered?
How does the Harlequin Duck nest?
What does the Harlequin Duck sound like?
How big is the Harlequin Duck?
What order and family does the Harlequin Duck belong to?
Similar Birds
Other species in the Anatidae family