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Ferruginous Duck

Aythya nyroca

Near Threatened
翼開長
36.5 cm
体重
594.1666666666666 g
Anatidae
Anseriformes

について

メジロガモはユーラシア中部に繁殖し、地中海地方や南アジアで越冬する潜水性カモです。雄は栗色の頭部と白い目が特徴的で、飛翔時に翼の白い帯が目立ちます。葦原や水草が豊富な湿地に生息し、絶滅危惧種に指定されています。

Physical Description

Measurement Value Imperial
翼開長 36.5 cm 14.4 in
体重 594.1666666666666 g 20.96 oz

識別

羽毛

Rich chestnut-brown head, neck and breast; white undertail conspicuous. White eye in males (brown in females). Dark back. Bold white wing stripe in flight. Compact and rounded. Males brighter chestnut; Palearctic diving duck.

Habitat & Range

Freshwater lakes, marshes, and river deltas with dense emergent vegetation in southern Eurasia from central Europe east to Central Asia and China. Winters in the Mediterranean, South Asia, and sub-Saharan Africa.

分布域

Breeds in boreal and sub-Arctic Canada; winters on the Atlantic coast from New England to the Gulf States.

Diet & Feeding

Eats molluscs, crustaceans, and aquatic invertebrates; dives in coastal habitats; diet dominated by hard-shelled invertebrates.

保全状況

Near Threatened
IUCN Red List

行動と繁殖

営巣

Incubation: 25-28 days. Fledging: 55-60 days.

一腹卵数

4-17

鳴き声

さえずり

Male emits a soft, wheeling purr; female gives a harsh, rapid quacking series. The male's quiet purring display call contrasts with the female's repeated, grating notes on Mediterranean marshes.

分類学

Kingdom Animalia
Phylum Chordata
Class Aves
Anseriformes (Waterfowl)
Anatidae (Ducks, Geese & Swans)
Genus Aythya
Aythya nyroca

Distribution

Ferruginous Duck has been recorded in 9 countries.

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生息あり Not recorded
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countries highlighted

External Databases

よくある質問

What does the Ferruginous Duck eat?
Eats molluscs, crustaceans, and aquatic invertebrates; dives in coastal habitats; diet dominated by hard-shelled invertebrates.
Where does the Ferruginous Duck live?
Freshwater lakes, marshes, and river deltas with dense emergent vegetation in southern Eurasia from central Europe east to Central Asia and China. Winters in the Mediterranean, South Asia, and sub-Saharan Africa.
Is the Ferruginous Duck endangered?
The Ferruginous Duck has a conservation status of Near Threatened.
How does the Ferruginous Duck nest?
Incubation: 25-28 days. Fledging: 55-60 days.
What does the Ferruginous Duck sound like?
Male emits a soft, wheeling purr; female gives a harsh, rapid quacking series. The male's quiet purring display call contrasts with the female's repeated, grating notes on Mediterranean marshes.
How big is the Ferruginous Duck?
The Ferruginous Duck has a wingspan of 36.5 cm, weight of 594.1666666666666 g.
What order and family does the Ferruginous Duck belong to?
The Ferruginous Duck (Aythya nyroca) belongs to the order Anseriformes and the family Anatidae.

Similar Birds

Other species in the Anatidae family

比較

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