Blue Duck

について

ブルーダックはニュージーランド固有の希少なカモで、ニュージーランドの国鳥の候補の一つです。青灰色の羽毛と岩の間を縫うように飛ぶ能力が特徴的です。急流の清澄な渓流に生息し、水生昆虫を主食とします。

Physical Description

Measurement	Value	Imperial
翼開長	45.6 cm	18.0 in
体重	861.75 g	30.40 oz

識別

羽毛

Distinctive slate-blue-gray plumage; breast spotted with chestnut-brown in both sexes. Pale bill with flexible pink lobes at tip. Chestnut eye. Sexes similar; adapted to fast-flowing mountain streams in New Zealand.

Habitat & Range

Fast-flowing clear turbulent mountain rivers and streams in pristine native forest at 300–1,500 m in both main islands of New Zealand. Requires undisturbed riparian habitat with abundant aquatic invertebrates.

🌲 Forest 🌿 Wetland

分布域

Breeds on open prairie wetlands of the Great Plains; winters in shallow estuaries and marshes along the Gulf of Mexico.

Diet & Feeding

Eats aquatic invertebrates, seeds, and plant material; dabbles in shallow fresh water; invertebrate diet peaks in breeding season.

保全状況

Endangered

IUCN Red List

行動と繁殖

営巣

Nest type: CR,CV. Incubation: 31-35 days. Fledging: 70-82 days.

一腹卵数

5-6

鳴き声

さえずり

A soft, musical whistle from fast-flowing South Island rivers. Call is a clear 'whio' — giving the bird its Maori name. Also gives a soft, reedy 'squeak'. Endangered; rarely heard.

分類学

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

Distribution

Blue Duck has been recorded in 1 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

🇳🇴 Norway

External Databases

よくある質問

What does the Blue Duck eat?

Eats aquatic invertebrates, seeds, and plant material; dabbles in shallow fresh water; invertebrate diet peaks in breeding season.

Where does the Blue Duck live?

Fast-flowing clear turbulent mountain rivers and streams in pristine native forest at 300–1,500 m in both main islands of New Zealand. Requires undisturbed riparian habitat with abundant aquatic invertebrates.

Is the Blue Duck endangered?

The Blue Duck has a conservation status of Endangered.

How does the Blue Duck nest?

Nest type: CR,CV. Incubation: 31-35 days. Fledging: 70-82 days.

What does the Blue Duck sound like?

A soft, musical whistle from fast-flowing South Island rivers. Call is a clear 'whio' — giving the bird its Maori name. Also gives a soft, reedy 'squeak'. Endangered; rarely heard.

How big is the Blue Duck?

The Blue Duck has a wingspan of 45.6 cm, weight of 861.75 g.

What order and family does the Blue Duck belong to?

The Blue Duck (Hymenolaimus malacorhynchos) belongs to the order Anseriformes and the family Anatidae.