Blue Duck
Hymenolaimus malacorhynchos
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<birdfyi-bird slug="hymenolaimus-malacorhynchos"></birdfyi-bird>The Blue Duck (Hymenolaimus malacorhynchos) is a bird species in the family Anatidae (ducks, geese & swans), within the order Anseriformes (waterfowl). Recorded measurements include a wingspan of 45.6 cm and a weight of 861.8 g. The IUCN Red List classifies it as Endangered.
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حول
A medium-sized blue-grey torrent duck with a pale pink bill tipped with a distinctive flap of skin, and chestnut-spotted breast. Endemic to New Zealand's fast-flowing mountain rivers. One of New Zealand's most endangered endemics. Monogamous with strong site fidelity to individual river territories.
Physical Description
| Measurement | Value | Imperial |
|---|---|---|
| طول الجناح | 45,6 cm | 18.0 in |
| الوزن | 861,75 g | 30.40 oz |
التعرف
الريش
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.
حالة الحفاظ
السلوك والتكاثر
التعشيش
Nest type: CR,CV. Incubation: 31-35 days. Fledging: 70-82 days.
عدد البيض في الوضع
5-6
الصوت
الغناء
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.
التصنيف
| Kingdom | Animalia |
| Phylum | Chordata |
| Class | Aves |
| الرتبة | Anseriformes (Waterfowl) |
| الفصيلة | Anatidae (Ducks, Geese & Swans) |
| Genus | Hymenolaimus |
| الأنواع | Hymenolaimus malacorhynchos |
Distribution
Blue Duck has been recorded in 1 countries.
countries highlighted
External Databases
الأسئلة الشائعة
Where does the Blue Duck live?
Is the Blue Duck endangered?
How does the Blue Duck nest?
What does the Blue Duck sound like?
How big is the Blue Duck?
What order and family does the Blue Duck belong to?
Similar Birds
Other species in the Anatidae family