Hawaiian Duck
Anas wyvilliana
Hawaiian Duck (Anas wyvilliana) — Ducks, Geese & Swans of Oceans & Seabirds.
Found across 4 guides in our atlas — open any for the full checklist, photos and what's around right now.
The Hawaiian Duck (Anas wyvilliana) is a member of the Anatidae family found in Oceans & Seabirds. Adults weigh 843 g. The IUCN Red List lists it as Vulnerable.
Conservation status
IUCN Red List (opens in a new tab)Facing a high risk of extinction in the wild.
Where it fits
- Class Aves
- Order Anseriformes
- Family Anatidae Ducks, Geese, Swans
- Genus Anas
- Species wyvilliana
Quick facts
- Weight
- 843 g
- Diet
- Omnivores
- Family
- Anatidae
- Order
- Anseriformes
- Habitat
- Wetland, lake & coast
How to identify
Similar birds
Near Threatened
Least Concern
Least Concern
Least Concern
Biology & behaviour
Diet
The Hawaiian Duck is a omnivore — it takes a broad, omnivorous diet of both plant and animal foods.
Behaviour
A bird of rivers and riverside habitats, it uses a wide range of foraging strategies.
Migration
The Hawaiian Duck is largely sedentary, staying within its range year-round rather than making regular long-distance migrations.
The Hawaiian Duck (Anas wyvilliana) is a species of bird in the Anatidae family, part of the order Anseriformes. It is found across Oceans & Seabirds. Its distribution covers PO Hawaiian Is.
It is a large bird. Adults weighs around 843 g, with a wing length of about 22 cm and a tail of around 7 cm.
It is classified as Vulnerable on the IUCN Red List and is a focus of conservation concern. Vulnerable species face a high risk of extinction in the wild if pressures continue.
The species has a mapped global range of roughly 4,181 km² — a relatively restricted global range.
Songs & calls
Frequently asked questions
How big is the Hawaiian Duck?
The Hawaiian Duck is a large bird that weighs around 843 g.
Where does the Hawaiian Duck live?
The Hawaiian Duck is found across Oceans & Seabirds with a range covering PO Hawaiian Is, where it is associated with wetlands, lakes and other open water.
What family does the Hawaiian Duck belong to?
The Hawaiian Duck (Anas wyvilliana) belongs to the Anatidae family, in the order Anseriformes.
What does the Hawaiian Duck eat?
The Hawaiian Duck is a omnivore — it takes a broad, omnivorous diet of both plant and animal foods.
Does the Hawaiian Duck migrate?
The Hawaiian Duck is largely sedentary, staying within its range year-round rather than making regular long-distance migrations.
Is the Hawaiian Duck endangered?
It is classified as Vulnerable on the IUCN Red List and is a focus of conservation concern Vulnerable species face a high risk of extinction in the wild if pressures continue.
What sound does the Hawaiian Duck make?
1 real field recording of the Hawaiian Duck — including its call — can be played in the Songs & calls section on this page, credited to the recordist who captured it.
How large is the Hawaiian Duck's range?
The Hawaiian Duck has a mapped global range of about 4,181 km².
Conservation
Every bird benefits from bird-safe windows, native plants, and keeping cats indoors. Small changes at home add up to real protection.
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