Hawaiian Ducks

By P.R.


  • A Hawaiian Duck's (scientific name- Anas wyvilliana) are also known as their Hawaiian name, Koloa Maoli
  • Both genders are spotted with brown feathers
  • Male ducks are 19-20" long and female ducks are 16-17" long (Wikipedia)
  • Hawaiian Ducks are private and secretive animals and don't communicate much with other animals

Food Chain and Habitat

  • Hawaiian Ducks are omnivores
  • Koloa Maoli eat freshwater vegetation, mollusks, insects, and other marine invertebrates
  • Hawaiian Ducks find their food in freshwater areas
  • Hawaiian Ducks live in the low, marshy wetlands of Hawaii
  • Some ducks also live in freshwater areas
  • Cats, rats, and small Asian Mongooses are threats to these ducks because they prey on eggs of Hawaiian Ducks


  • Hawaiian Ducks are very cautious animals
  • They are also very prepared
  • Koloa Maoli are very quiet, sneaky, and agile
  • Hawaiian Ducks also communicate with other ducks with silent quacking noises at signs of danger

Reasons For Endangerment

  • Hawaiian Ducks are endangered for several reasons
  • For example, these ducks are affected by factors like habitat loss, disease, predators and etc.
  • Another reason for endangerment is that some ducks have trouble adapting to their surroundings and cannot survive
  • Since the Koloa Maoli population is decreasing, several organizations are trying to help. For example, "Ducks Unlimited" have tried to restore some of the wet lands that were destroyed.
  • Another example is that many people have stopped hunting these ducks
  • Hawaiian Ducks are greatly affected by human disturbances. It is the biggest reason for its endangerment