Ring-necked Duck

について

リングネックドダックは北米に繁殖する潜水性カモです。雄は黒い頭部と胸部、灰色の体、嘴の白いリングが特徴的です。森林に囲まれた湖や池を好み、水草の塊茎、種子、水生昆虫を潜って採食します。冬季には南部の湖や河川に大群で渡ります。

Physical Description

Measurement	Value	Imperial
翼開長	39.0 cm	15.4 in
体重	825.5 g	29.12 oz

識別

羽毛

Males black back and breast; gray flanks with white vertical mark near breast. Iridescent dark purple head with subtle chestnut neck ring. Bill blue-gray with white ring near tip. Females brown with pale eye-ring and face.

Habitat & Range

Breeds on boreal lakes and bogs in North America from Alaska and Canada south to the northern United States. Winters on freshwater lakes, reservoirs, and marshes across the southern United States, Mexico, and Caribbean.

🌲 Forest 🌿 Wetland 🏖️ Coastal

分布域

Breeds in western Arctic Canada and Alaska; winters along the Pacific coast from Alaska to Baja California.

Diet & Feeding

Eats molluscs, crustaceans, and aquatic invertebrates; dives in shallow coastal water; diet dominated by benthic invertebrates.

保全状況

Least Concern

IUCN Red List

行動と繁殖

営巣

Nest type: PL,CP. Incubation: 25-29 days. Fledging: 49-56 days.

一腹卵数

6-14

鳴き声

さえずり

Male produces a low, purring wheeze; female gives a harsh, rolling quack. The purring male call is understated; found on North American freshwater lakes; female calls are emphatic and nasal.

分類学

Kingdom	Animalia
Phylum	Chordata
Class	Aves
目	Anseriformes (Waterfowl)
科	Anatidae (Ducks, Geese & Swans)
Genus	Aythya
種	Aythya collaris

Distribution

Ring-necked Duck has been recorded in 10 countries.

{# Distribution Map — simplified SVG world map with highlighted countries. Expects `country_codes` variable: list of ISO alpha-2 codes (e.g. ["US", "CA", "MX"]). Uses Alpine.js to toggle classes on country paths. #}

生息あり Not recorded

countries highlighted

🇹🇼 Taiwan 🇧🇪 Belgium 🇩🇰 Denmark 🇩🇪 Germany 🇳🇴 Norway 🇨🇴 Colombia 🇪🇨 Ecuador 🇻🇪 Venezuela 🇺🇸 United States 🇸🇪 Sweden

External Databases

よくある質問

What does the Ring-necked Duck eat?

Eats molluscs, crustaceans, and aquatic invertebrates; dives in shallow coastal water; diet dominated by benthic invertebrates.

Where does the Ring-necked Duck live?

Breeds on boreal lakes and bogs in North America from Alaska and Canada south to the northern United States. Winters on freshwater lakes, reservoirs, and marshes across the southern United States, Mexico, and Caribbean.

Is the Ring-necked Duck endangered?

The Ring-necked Duck has a conservation status of Least Concern.

How does the Ring-necked Duck nest?

Nest type: PL,CP. Incubation: 25-29 days. Fledging: 49-56 days.

What does the Ring-necked Duck sound like?

Male produces a low, purring wheeze; female gives a harsh, rolling quack. The purring male call is understated; found on North American freshwater lakes; female calls are emphatic and nasal.

How big is the Ring-necked Duck?

The Ring-necked Duck has a wingspan of 39.0 cm, weight of 825.5 g.

What order and family does the Ring-necked Duck belong to?

The Ring-necked Duck (Aythya collaris) belongs to the order Anseriformes and the family Anatidae.