Blue Duck

Sobre

O pato-azul da Nova Zelândia é um pato único e ameaçado encontrado em rios de montanha de correnteza rápida na Nova Zelândia. Tem plumagem cinzenta azulada com bico rosadinhas. Está altamente especializado para a vida em rios torrenciais de montanha. Alimenta-se de invertebrados aquáticos. As populações sofreram declínios severos devido a predadores introduzidos como furões, arminhões e ratos. Os esforços de conservação incluem programas de controlo de predadores e criação em cativeiro.

Physical Description

Measurement	Value	Imperial
Envergadura	45,6 cm	18.0 in
Peso	861,75 g	30.40 oz

Identificação

Plumagem

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

Distribuição geográfica

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.

Estado de conservação

Endangered

IUCN Red List

Comportamento e reprodução

Nidificação

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

Tamanho da postura

5-6

Som

Canto

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.

Taxonomia

Kingdom	Animalia
Phylum	Chordata
Class	Aves
Ordem	Anseriformes (Waterfowl)
Família	Anatidae (Ducks, Geese & Swans)
Genus	Hymenolaimus
Espécies	Hymenolaimus malacorhynchos

Distribution

Blue Duck has been recorded in 1 countries.

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Presente Not recorded

countries highlighted

🇳🇴 Norway

External Databases

Perguntas frequentes

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.