Torrent Duck

소개

중간 크기의 오리로 체장 43–46cm이며, 수컷은 흰색 머리에 검은 줄무늬, 자주빛 가슴, 빨간 부리와 다리를 갖는다. 안데스 산맥의 빠른 고산 하천에 서식하는 고유종이다. 잠수하여 수생 곤충과 소형 어류를 먹는다. 관심 필요 종이다.

Physical Description

Measurement	Value	Imperial
날개 폭	32.7 cm	12.9 in
체중	366.875 g	12.94 oz

식별

깃털

Striking sexual dimorphism. Males have white head with black stripes and red bill; dark back with rufous breast. Females gray above with rufous-cinnamon underparts. Stiff tail; specialized for fast-running rivers.

Habitat & Range

Fast-flowing clear Andean mountain rivers and torrents at 1,500–4,500 m from Venezuela south through Colombia, Ecuador, Peru, Bolivia, and Chile to Tierra del Fuego. Requires bouldered well-oxygenated rapids.

분포 지역

Breeds in the northern prairie pothole region; winters along both coasts of the United States and south to Mexico.

Diet & Feeding

Filter-feeds on aquatic invertebrates and seeds; dabbles in shallow wetlands; diet more plant-based in winter non-breeding period.

보전 상태

Least Concern

IUCN Red List

행동 및 번식

둥지

Nest type: CV,O. Incubation: 43-44 days.

산란 수

3-4

소리

노래

A sharp, staccato 'pit' or 'wit' call. Males give a loud, ringing whistle. The Torrent Duck is a fast-flowing Andean river specialist; calls carry over powerful rapids.

분류학

Kingdom	Animalia
Phylum	Chordata
Class	Aves
목	Anseriformes (Waterfowl)
과	Anatidae (Ducks, Geese & Swans)
Genus	Merganetta
종	Merganetta armata

Distribution

Torrent Duck has been recorded in 4 countries.

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출현 Not recorded

countries highlighted

🇳🇴 Norway 🇨🇴 Colombia 🇪🇨 Ecuador 🇻🇪 Venezuela

External Databases

자주 묻는 질문

What does the Torrent Duck eat?

Filter-feeds on aquatic invertebrates and seeds; dabbles in shallow wetlands; diet more plant-based in winter non-breeding period.

Where does the Torrent Duck live?

Fast-flowing clear Andean mountain rivers and torrents at 1,500–4,500 m from Venezuela south through Colombia, Ecuador, Peru, Bolivia, and Chile to Tierra del Fuego. Requires bouldered well-oxygenated rapids.

Is the Torrent Duck endangered?

The Torrent Duck has a conservation status of Least Concern.

How does the Torrent Duck nest?

Nest type: CV,O. Incubation: 43-44 days.

What does the Torrent Duck sound like?

A sharp, staccato 'pit' or 'wit' call. Males give a loud, ringing whistle. The Torrent Duck is a fast-flowing Andean river specialist; calls carry over powerful rapids.

How big is the Torrent Duck?

The Torrent Duck has a wingspan of 32.7 cm, weight of 366.875 g.

What order and family does the Torrent Duck belong to?

The Torrent Duck (Merganetta armata) belongs to the order Anseriformes and the family Anatidae.