Auckland Teal

Anas aucklandica

Near Threatened

翼開長

27.0 cm

体重

522.25 g

科

Anatidae

目

Anseriformes

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について

オークランドティールはニュージーランドのオークランド諸島に固有の飛べないカモです。マガモから進化した島嶼固有種で、翼が退化して飛行能力を失っています。島の森林内の池や小川に生息し、無脊椎動物、植物、種子などを採食します。外来捕食者の排除が保全の鍵です。

Physical Description

Measurement	Value	Imperial
翼開長	27.0 cm	10.6 in
体重	522.25 g	18.42 oz

識別

羽毛

Dark chocolate-brown plumage; males have iridescent dark green head and white eye-ring. Females dark brown with white eye-ring. Near-flightless. Iridescent speculum. Flightless wings. Auckland Islands endemic.

Habitat & Range

Restricted to predator-free islands of the Auckland Islands subantarctic group (Adams, Disappointment, Ewing islands). Inhabits dense tussock grassland, scrub, and freshwater streams.

🌿 Wetland 🏖️ Coastal

分布域

Breeds in Arctic and sub-Arctic North America; winters on Pacific and Atlantic coasts south to California and the Carolinas.

Diet & Feeding

Dives for molluscs, crustaceans, and aquatic invertebrates; diet dominated by hard-shelled prey in coastal habitats.

保全状況

Near Threatened

IUCN Red List

行動と繁殖

営巣

Nest type: CP. Incubation: 27-35 days. Fledging: 50-70 days.

一腹卵数

1-6

鳴き声

さえずり

Female gives a short, nasal quack; male produces a barely audible high note. Nearly flightless; extremely quiet and seldom vocal; calls are reduced even compared with other flightless island teals.

分類学

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

Distribution

Auckland Teal has been recorded in 2 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 🇬🇧 United Kingdom

External Databases

よくある質問

What does the Auckland Teal eat?

Dives for molluscs, crustaceans, and aquatic invertebrates; diet dominated by hard-shelled prey in coastal habitats.

Where does the Auckland Teal live?

Restricted to predator-free islands of the Auckland Islands subantarctic group (Adams, Disappointment, Ewing islands). Inhabits dense tussock grassland, scrub, and freshwater streams.

Is the Auckland Teal endangered?

The Auckland Teal has a conservation status of Near Threatened.

How does the Auckland Teal nest?

Nest type: CP. Incubation: 27-35 days. Fledging: 50-70 days.

What does the Auckland Teal sound like?

Female gives a short, nasal quack; male produces a barely audible high note. Nearly flightless; extremely quiet and seldom vocal; calls are reduced even compared with other flightless island teals.

How big is the Auckland Teal?

The Auckland Teal has a wingspan of 27.0 cm, weight of 522.25 g.

What order and family does the Auckland Teal belong to?

The Auckland Teal (Anas aucklandica) belongs to the order Anseriformes and the family Anatidae.