Brazilian Merganser
Mergus octosetaceus
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Sobre
O merganso-brasileiro é um pato mergulhador criticamente ameaçado endémico do Brasil, com populações remanescentes muito pequenas também na Argentina e Paraguai. É um dos patos mais raros do mundo. Os machos têm cabeça e pescoço verde escuro iridescente e peito branco. Habita rios de montanha de correnteza rápida com margens rochosas em florestas de mata atlântica e cerrado. As ameaças incluem poluição, degradação de habitat e perturbação.
Physical Description
| Measurement | Value | Imperial |
|---|---|---|
| Envergadura | 39,2 cm | 15.4 in |
| Peso | 827,6666666666666 g | 29.20 oz |
Identificação
Plumagem
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
Distribuição 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 conservação
Comportamento e reprodução
Nidificação
Nest type: CV. Incubation: 34 days.
Tamanho da postura
5-8
Som
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.
Taxonomia
| Kingdom | Animalia |
| Phylum | Chordata |
| Class | Aves |
| Ordem | Anseriformes (Waterfowl) |
| Família | Anatidae (Ducks, Geese & Swans) |
| Genus | Mergus |
| Espécies | Mergus octosetaceus |
Distribution
Brazilian Merganser has been recorded in 1 countries.
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External Databases
Perguntas frequentes
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