Brazilian Merganser
Mergus octosetaceus
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<birdfyi-bird slug="mergus-octosetaceus"></birdfyi-bird>关于
巴西秋沙鸭是南美洲最濒危的鸭类之一，仅分布于巴西南部、阿根廷和巴拉圭的溪流和河流。雄鸟头部深绿色，嘴部橙红色，体羽灰白色具黑色横纹；雌鸟头部棕褐色。由于河流污染、水坝建设和采矿活动，种群数量已不足250只，被列为极危物种。
Physical Description
| Measurement | Value | Imperial |
|---|---|---|
| 翼展 | 39.2 cm | 15.4 in |
| 体重 | 827.6666666666666 g | 29.20 oz |
识别
羽毛
Male has dark glossy greenish-black head with long shaggy crest; finely vermiculated grey body, white wing patch. Female similar but with rufous-chestnut wash on head and shorter crest.
Habitat & Range
分布范围
Critically endangered; restricted to a few rivers in southern Brazil, Argentina, and Paraguay. Found on fast-flowing rivers in Atlantic Forest.
Diet & Feeding
Dives for small fish in fast-flowing South American rivers. Critically endangered; uses serrated bill to catch fish in clear streams.
保护状况
行为与繁殖
筑巢
Nest type: CV. Incubation: 34 days.
产卵数
5-8
声音
鸣唱
Male produces a harsh, rasping call; female gives a guttural, grunting series. Critically endangered; quiet vocalizations suit its secretive lifestyle in fast-flowing Brazilian mountain rivers.
分类学
| Kingdom | Animalia |
| Phylum | Chordata |
| Class | Aves |
| 目 | Anseriformes (Waterfowl) |
| 科 | Anatidae (Ducks, Geese & Swans) |
| Genus | Mergus |
| 物种 | Mergus octosetaceus |
Distribution
Brazilian Merganser has been recorded in 1 countries.
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External Databases
常见问题
What does the Brazilian Merganser eat?
Where does the Brazilian Merganser live?
Is the Brazilian Merganser endangered?
How does the Brazilian Merganser nest?
What does the Brazilian Merganser sound like?
How big is the Brazilian Merganser?
What order and family does the Brazilian Merganser belong to?
Similar Birds
Other species in the Anatidae family