Gadwall
Mareca strepera
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<birdfyi-bird slug="mareca-strepera"></birdfyi-bird>The Gadwall (Mareca strepera) is a bird species in the family Anatidae (ducks, geese & swans), within the order Anseriformes (waterfowl). Recorded measurements include a wingspan of 50.3 cm and a weight of 857.5 g. The IUCN Red List classifies it as Least Concern.
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について
カドワール。ユーラシア大陸と北アメリカに広く分布するカモ。雄は灰褐色の体と黒い尾部が特徴的。体長46〜56cm。湖や池、湿地に生息。植物性の食物を好む雑食性。北半球で繁殖し南へ渡る。低危険種。
Physical Description
| Measurement | Value | Imperial |
|---|---|---|
| 翼開長 | 50.3 cm | 19.8 in |
| 体重 | 857.5 g | 30.25 oz |
識別
羽毛
Males have finely vermiculated gray-brown plumage with black rump and undertail. White speculum patch diagnostic in flight. Females mottled brown like Mallard but smaller and with orange-sided bill. Subtle but elegant.
Habitat & Range
Freshwater lakes, reservoirs, marshes, and rivers with emergent vegetation across Eurasia and North America. Winters on large open wetlands and coastal estuaries. Range and population increasing in Europe.
保全状況
行動と繁殖
営巣
Nest type: SC. Incubation: 21-27 days. Fledging: 48-63 days.
一腹卵数
5-15
鳴き声
さえずり
Male utters a soft, nasal nheck note; female produces a series of descending, quacking notes. Both sexes are relatively quiet; female's quacking is softer and less strident than a Mallard.
分類学
| Kingdom | Animalia |
| Phylum | Chordata |
| Class | Aves |
| 目 | Anseriformes (Waterfowl) |
| 科 | Anatidae (Ducks, Geese & Swans) |
| Genus | Mareca |
| 種 | Mareca strepera |
Distribution
Gadwall has been recorded in 7 countries.
countries highlighted
External Databases
よくある質問
Where does the Gadwall live?
Is the Gadwall endangered?
How does the Gadwall nest?
What does the Gadwall sound like?
How big is the Gadwall?
What order and family does the Gadwall belong to?
Similar Birds
Other species in the Anatidae family