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Brazilian Merganser

Mergus octosetaceus

Critically Endangered
Rentang Sayap
39,2 cm
Berat
827,6666666666666 g
Famili
Anatidae
Ordo
Anseriformes

Tentang

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
Rentang Sayap 39,2 cm 15.4 in
Berat 827,6666666666666 g 29.20 oz

Identifikasi

Bulu

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

Rentang Geografis

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.

Status Konservasi

Critically Endangered
IUCN Red List

Perilaku & Berkembang Biak

Bersarang

Nest type: CV. Incubation: 34 days.

Ukuran Sarang

5-8

Suara

Kicauan

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.

Taksonomi

Kingdom Animalia
Phylum Chordata
Class Aves
Ordo Anseriformes (Waterfowl)
Famili Anatidae (Ducks, Geese & Swans)
Genus Mergus
Spesies Mergus octosetaceus

Distribution

Brazilian Merganser has been recorded in 1 countries.

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Hadir Not recorded
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countries highlighted

External Databases

Pertanyaan yang Sering Diajukan

What does the Brazilian Merganser eat?
Dives for small fish in fast-flowing South American rivers. Critically endangered; uses serrated bill to catch fish in clear streams.
Where does the Brazilian Merganser live?
Critically endangered; restricted to a few rivers in southern Brazil, Argentina, and Paraguay. Found on fast-flowing rivers in Atlantic Forest.
Is the Brazilian Merganser endangered?
The Brazilian Merganser has a conservation status of Critically Endangered.
How does the Brazilian Merganser nest?
Nest type: CV. Incubation: 34 days.
What does the Brazilian Merganser sound like?
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.
How big is the Brazilian Merganser?
The Brazilian Merganser has a wingspan of 39.2 cm, weight of 827.6666666666666 g.
What order and family does the Brazilian Merganser belong to?
The Brazilian Merganser (Mergus octosetaceus) belongs to the order Anseriformes and the family Anatidae.

Similar Birds

Other species in the Anatidae family

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