White-winged Scoter
Melanitta deglandi
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حول
A large diving duck (~1.6 kg) in family Anatidae, distinguished by white secondaries visible in flight. Breeds on freshwater lakes in boreal North America; winters along Pacific and Atlantic coasts. Dives for mussels, clams, and aquatic insects. Least Concern; North American populations remain broadly stable despite some local declines.
Physical Description
| Measurement | Value | Imperial |
|---|---|---|
| طول الجناح | 54,0 cm | 21.3 in |
| الوزن | 1647,1666666666667 g | 58.10 oz |
التعرف
الريش
Male is black with conspicuous white secondaries and a white comma-shaped mark below eye; orange-yellow bill with black basal knob. Female dark brownish-black with two pale facial patches and white wing patch.
Habitat & Range
النطاق الجغرافي
Breeds in boreal forest and tundra of interior North America. Winters along Pacific and Atlantic coasts south to California and the Gulf states.
Diet & Feeding
Dives for molluscs, crustaceans, and small fish in coastal and inland waters. Favours mussels and clams; forages in flocks.
حالة الحفاظ
السلوك والتكاثر
التعشيش
Nest type: SC. Incubation: 25-31 days. Fledging: 50-55 days.
عدد البيض في الوضع
6-16
الصوت
الغناء
Male produces a soft, whistled note; female gives a harsh, grating call. Similar to Velvet Scoter; the female's rasping call carries across North Pacific bays and coastal inlets.
التصنيف
| Kingdom | Animalia |
| Phylum | Chordata |
| Class | Aves |
| الرتبة | Anseriformes (Waterfowl) |
| الفصيلة | Anatidae (Ducks, Geese & Swans) |
| Genus | Melanitta |
| الأنواع | Melanitta deglandi |
Distribution
White-winged Scoter has been recorded in 4 countries.
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External Databases
الأسئلة الشائعة
What does the White-winged Scoter eat?
Where does the White-winged Scoter live?
Is the White-winged Scoter endangered?
How does the White-winged Scoter nest?
What does the White-winged Scoter sound like?
How big is the White-winged Scoter?
What order and family does the White-winged Scoter belong to?
Similar Birds
Other species in the Anatidae family