Knob-billed Duck
Sarkidiornis melanotos
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<birdfyi-bird slug="sarkidiornis-melanotos"></birdfyi-bird>The Knob-billed Duck (Sarkidiornis melanotos) is a bird species in the family Anatidae (ducks, geese & swans), within the order Anseriformes (waterfowl). Recorded measurements include a wingspan of 64.2 cm and a weight of 1.8 kg. The IUCN Red List classifies it as Least Concern.
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について
ノブビルダックはアフリカ、南アジア、南米に広く分布するカモです。雄の嘴の根元にある肉質のコブが特徴的です。木の洞に営巣し、湿地、川、池に生息します。季節的な移動をすることがあります。水草、種子、農作物を採食します。
Physical Description
| Measurement | Value | Imperial |
|---|---|---|
| 翼開長 | 64.2 cm | 25.3 in |
| 体重 | 1817.5 g | 64.11 oz |
識別
羽毛
Males have white head with black spots; iridescent dark blue-black back and wings; white underparts with gray flanks. Large black fleshy knob atop bill. Females smaller, brown, and lack the knob. African species.
Habitat & Range
Freshwater lakes, marshes, floodplains, and forested wetlands across sub-Saharan Africa and South and Southeast Asia from India to southern China. Nests in large tree hollows near water.
保全状況
行動と繁殖
営巣
Nest type: CV. Incubation: 28-30 days. Fledging: 70 days.
一腹卵数
6-20
鳴き声
さえずり
A low, grunting 'wuk' or soft, nasal 'krank'. Similar to Comb Duck in call quality. Generally quiet; calls are not loud or distinctive compared to other large African waterfowl.
分類学
| Kingdom | Animalia |
| Phylum | Chordata |
| Class | Aves |
| 目 | Anseriformes (Waterfowl) |
| 科 | Anatidae (Ducks, Geese & Swans) |
| Genus | Sarkidiornis |
| 種 | Sarkidiornis melanotos |
Distribution
Knob-billed Duck has been recorded in 7 countries.
countries highlighted
External Databases
よくある質問
Where does the Knob-billed Duck live?
Is the Knob-billed Duck endangered?
How does the Knob-billed Duck nest?
What does the Knob-billed Duck sound like?
How big is the Knob-billed Duck?
What order and family does the Knob-billed Duck belong to?
Similar Birds
Other species in the Anatidae family