Brazilian Merganser
Mergus octosetaceus
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Acerca de
El merganso brasileño es uno de los patos más amenazados del mundo, con menos de 250 individuos maduros que subsisten en ríos rápidos y limpios del interior del Brasil, con pequeñas poblaciones en Argentina y Paraguay. Tiene plumaje negro con los flancos rojizos en el macho. La deforestación, la contaminación y los proyectos hidroeléctricos han destruido gran parte de su hábitat.
Physical Description
| Measurement | Value | Imperial |
|---|---|---|
| Envergadura | 39,2 cm | 15.4 in |
| Peso | 827,6666666666666 g | 29.20 oz |
Identificación
Plumaje
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
Distribución geográfica
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.
Estado de conservación
Comportamiento y reproducción
Nidificación
Nest type: CV. Incubation: 34 days.
Tamaño de la puesta
5-8
Sonido
Canto
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.
Taxonomía
| Kingdom | Animalia |
| Phylum | Chordata |
| Class | Aves |
| Orden | Anseriformes (Aves Acuáticas) |
| Familia | Anatidae (Patos, Gansos y Cisnes) |
| Genus | Mergus |
| Especies | Mergus octosetaceus |
Distribution
Brazilian Merganser has been recorded in 1 countries.
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External Databases
Preguntas frecuentes
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