White-backed Duck
Thalassornis leuconotus
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<birdfyi-bird slug="thalassornis-leuconotus"></birdfyi-bird>The White-backed Duck (Thalassornis leuconotus) is a bird species in the family Anatidae (ducks, geese & swans), within the order Anseriformes (waterfowl). Recorded measurements include a wingspan of 33.3 cm and a weight of 704.7 g. The IUCN Red List classifies it as Least Concern.
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について
ホワイトバックドダックはアフリカ南部と東部に分布する潜水性カモです。背中の白い斑と斑模様の羽毛が特徴です。水草が豊富な湖や湿地に生息し、主にキイトモ（Potamogeton）の塊茎を潜って採食します。繁殖期には水面に浮かぶ巣を作ります。
Physical Description
| Measurement | Value | Imperial |
|---|---|---|
| 翼開長 | 33.3 cm | 13.1 in |
| 体重 | 704.6666666666666 g | 24.86 oz |
識別
羽毛
Heavily mottled and barred brown and buff overall. Diagnostic white back patch visible in flight. Head brown with whitish face and chin. Stiff tail held erect. Sexes similar; stiff-tail diving duck.
Habitat & Range
Freshwater lakes, ponds, and swamps with abundant floating aquatic vegetation, especially water lilies, in sub-Saharan Africa and Madagascar. Prefers shallow sheltered water with emergent vegetation for cover.
保全状況
行動と繁殖
営巣
Incubation: 29-33 days. Fledging: 55 days.
一腹卵数
4-10
鳴き声
さえずり
Soft, low whistles and hissing sounds. The White-backed Duck is relatively quiet compared to whistling-ducks. Alarm call is a low 'peep'. Mostly heard at night.
分類学
| Kingdom | Animalia |
| Phylum | Chordata |
| Class | Aves |
| 目 | Anseriformes (Waterfowl) |
| 科 | Anatidae (Ducks, Geese & Swans) |
| Genus | Thalassornis |
| 種 | Thalassornis leuconotus |
External Databases
よくある質問
Where does the White-backed Duck live?
Is the White-backed Duck endangered?
How does the White-backed Duck nest?
What does the White-backed Duck sound like?
How big is the White-backed Duck?
What order and family does the White-backed Duck belong to?
Similar Birds
Other species in the Anatidae family