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Smew

Mergellus albellus

Least Concern
翼展
37.5 cm
体重
658.75 g
Anatidae
Anseriformes
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关于

白秋沙鸭是最小的秋沙鸭,雄鸟羽色精美:全身白色为主,背部和头部具黑色斑纹,极为醒目;雌鸟头部褐色,有白色脸斑。繁殖于欧亚北部针叶林的湖泊,越冬于西欧、黑海和中国东部。以鱼类和水生无脊椎动物为食,在树洞中营巢,常利用黑啄木鸟的旧巢。

Physical Description

Measurement Value Imperial
翼展 37.5 cm 14.8 in
体重 658.75 g 23.24 oz

识别

羽毛

Male is largely white with black eye patch, black lines on back, and fine black lines on flanks creating a cracked-ice pattern. Female has chestnut-red head, white cheeks, and grey body.

Habitat & Range

分布范围

Breeds in boreal forests of northern Europe and Siberia. Winters on large lakes and coasts from western Europe east to Japan and China.

Diet & Feeding

Dives for small fish, aquatic insects, and crustaceans in freshwater and coastal habitats. Uses serrated bill to grip slippery prey.

保护状况

Least Concern
IUCN Red List

行为与繁殖

筑巢

Nest type: CV. Incubation: 26-28 days. Fledging: 70 days.

产卵数

5-11

声音

鸣唱

Male gives a soft, crow-like krr note; female produces a grating, rasping call. Both sexes are relatively quiet; the male's harsh, crow-like call is surprisingly low for such a small elegant duck.

分类学

Kingdom Animalia
Phylum Chordata
Class Aves
Anseriformes (Waterfowl)
Anatidae (Ducks, Geese & Swans)
Genus Mergellus
物种 Mergellus albellus

Distribution

Smew has been recorded in 5 countries.

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出现 Not recorded
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countries highlighted

External Databases

常见问题

What does the Smew eat?
Dives for small fish, aquatic insects, and crustaceans in freshwater and coastal habitats. Uses serrated bill to grip slippery prey.
Where does the Smew live?
Breeds in boreal forests of northern Europe and Siberia. Winters on large lakes and coasts from western Europe east to Japan and China.
Is the Smew endangered?
The Smew has a conservation status of Least Concern.
How does the Smew nest?
Nest type: CV. Incubation: 26-28 days. Fledging: 70 days.
What does the Smew sound like?
Male gives a soft, crow-like krr note; female produces a grating, rasping call. Both sexes are relatively quiet; the male's harsh, crow-like call is surprisingly low for such a small elegant duck.
How big is the Smew?
The Smew has a wingspan of 37.5 cm, weight of 658.75 g.
What order and family does the Smew belong to?
The Smew (Mergellus albellus) belongs to the order Anseriformes and the family Anatidae.

Similar Birds

Other species in the Anatidae family

比较

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