Hawaiian Duck

Anas wyvilliana Sclater, PL, 1878

Anatidae — Ducks, Geese, Swans

Hawaiian Duck, Anas wyvilliana, is a duck in the Anatidae family and is native to the large islands of Hawaiʻi in the Pacific Ocean. It is also known as koloa maoli, or simply koloa. The species is closely related to the mallard, and the two can produce fertile young. Males and females look alike, and the bird does not migrate. It is now treated as a separate species within the mallard group.

Order
Anseriformes
Family
Anatidae — Ducks, Geese, Swans
Breeding range
Pacific Ocean: Hawaiian Is.
Hawaiian Duck
© Mike's Birds from Riverside, CA, US · Wikimedia Commons · CC BY-SA 2.0

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