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Hawaiian Duck Anas Wyvilliana

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Hawaiian Duck

Appearance: - The Hawaiian Duck resembles the female Mallard with a mottled brown plumage, a greenish-blue speculum bordered with white, dark tail, and legs and feet are orange. Both sexes are similar but the larger male has an olive green beak while the female has a dark beak with orange markings.

Size: - Typical Adult is 44-51cm (17-20in).

Food: - Aquatic plants, seeds, molluscs, aquatic invertebrates and insects.

Habitat/Range: - Wetlands, lakes, river valleys, marshes, and mountain streams. This duck is endemic to the large Hawaiian Islands and in particular the island of Kaua'i. The Hawaiian Duck has been re-introduced to other Hawaiian Islands but they have bred with feral Mallards producing hybrid offspring. Pure Hawaiian ducks can only be found on the island of Kaua'i.

Breeding Season: - All year round but primarily December to May.

Eggs: - 2 to 10 (greenish-white colour).

Notes: - The Hawaiian Duck is an Hawaiian dabbling duck. It is listed as 'Endangered' because of its small range, introduced predators, habitat loss, and its interbreeding with introduced feral Mallards.

Conservation status (IUCN 3.1):

Classification: - Family: Anatidae,
Subfamily: Anatinae, Genus: Anas.

Wildfowl (Alphabetical order):
A-B    C-F    G-L    M-R    S-Z   


Hawaiian Duck
Hawaiian Duck (Anas Wyvilliana) -