Brazilian Merganser
Mergus octosetaceus
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<birdfyi-bird slug="mergus-octosetaceus"></birdfyi-bird>เกี่ยวกับเรา
One of the world's rarest waterfowl (~830 g), family Anatidae, with a serrated bill and dark green head with bushy crest. Inhabits fast-flowing clear rivers in the Atlantic Forest of Brazil, Argentina, and Paraguay. Feeds on fish and aquatic invertebrates. Critically Endangered; fewer than 250 mature individuals remain due to dam construction and river degradation.
Physical Description
| Measurement | Value | Imperial |
|---|---|---|
| กว้างปีก | 39.2 cm | 15.4 in |
| น้ำหนัก | 827.6666666666666 g | 29.20 oz |
การยืนยันชนิดพันธุ์
ขนนก
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
อาณาเขตทางภูมิศาสตร์
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.
สถานะการอนุรักษ์
พฤติกรรมและการผสมพันธุ์
การทำรัง
Nest type: CV. Incubation: 34 days.
จำนวนไข่
5-8
เสียง
เสียงร้อง
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.
อนุกรมวิทยา
| Kingdom | Animalia |
| Phylum | Chordata |
| Class | Aves |
| อันดับ | Anseriformes (Waterfowl) |
| วงศ์ตระกูล | Anatidae (Ducks, Geese & Swans) |
| Genus | Mergus |
| ชนิดพันธุ์ | Mergus octosetaceus |
Distribution
Brazilian Merganser has been recorded in 1 countries.
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External Databases
คำถามที่พบบ่อย
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