Eastern Spot-billed Duck
Anas zonorhyncha
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<birdfyi-bird slug="anas-zonorhyncha"></birdfyi-bird>The Eastern Spot-billed Duck (Anas zonorhyncha) is a bird species in the family Anatidae (ducks, geese & swans), within the order Anseriformes (waterfowl). Recorded measurements include a wingspan of 53.6 cm and a weight of 1 kg. The IUCN Red List classifies it as Least Concern.
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について
オナガガモに似たこのカモは東アジアに分布し、中国、ロシア極東、日本などに生息します。嘴に黄色い斑点があるのが特徴で、湿地や水田、池に生息します。冬季には暖かい地方に渡りますが、一部は通年同じ地域に留まります。
Physical Description
| Measurement | Value | Imperial |
|---|---|---|
| 翼開長 | 53.6 cm | 21.1 in |
| 体重 | 1017.5 g | 35.89 oz |
識別
羽毛
Brown body with pale buff face and throat; dark crown and eye stripe. Yellow-tipped black bill lacking the red spot of Indian Spot-billed Duck. Iridescent green speculum with white border. Orange legs. Sexes similar.
Habitat & Range
Freshwater lakes, rivers, marshes, and rice paddies in northeastern Asia from eastern Russia and Siberia through China, Korea, and Japan. Winters in southern China and southern Japan.
分布域
Found in wetlands across Southeast Asia, from India to China, Vietnam, and Indonesia. Largely resident; local seasonal movements.
Diet & Feeding
Eats fish, aquatic invertebrates, and amphibians; dives in freshwater rivers; serrated bill grips prey; fish dominant in diet.
保全状況
行動と繁殖
営巣
Nest type: M. Incubation: 24-28 days. Fledging: 49-56 days.
一腹卵数
7-9
鳴き声
さえずり
Female produces a loud, descending quacking series; male gives a low, nasal grunt. Vocalizations closely resemble the Indian Spot-billed Duck; pairs call antiphonally on East Asian wetlands.
分類学
| Kingdom | Animalia |
| Phylum | Chordata |
| Class | Aves |
| 目 | Anseriformes (Waterfowl) |
| 科 | Anatidae (Ducks, Geese & Swans) |
| Genus | Anas |
| 種 | Anas zonorhyncha |
Distribution
Eastern Spot-billed Duck has been recorded in 2 countries.
countries highlighted
External Databases
よくある質問
What does the Eastern Spot-billed Duck eat?
Where does the Eastern Spot-billed Duck live?
Is the Eastern Spot-billed Duck endangered?
How does the Eastern Spot-billed Duck nest?
What does the Eastern Spot-billed Duck sound like?
How big is the Eastern Spot-billed Duck?
What order and family does the Eastern Spot-billed Duck belong to?
Similar Birds
Other species in the Anatidae family