Koloa Maoli
Hawaiian Duck

Habitat 

Historically , Koloa Maoli were found on all of the main Hawaiian Islands, except Lana'i and Kaho'olawe . There are no estimates on the population of Koloa Maoli before 1940, but scientists believe that Koloa Maoli were commonly found in natural and wetland farm habitats . From the late 1800's ,the growing of taro provided wetland habitats for the Koloa Maoli.
The decline in the number of Koloa Maoli was caused by rats, mongooses, dogs ,cats, and introduced fish and birds. The loss of wetlands and local hunting also caused the decline in the number of Koloa Maoli. By 1960, the Koloa Maoli were gone on Maui, Moloka'i, and Oahu. They were found in small numbers on Kaua'i and Ni'ihau. Koloa Maoli have been restored on Hawaii, Oahu, and Maui. They are found in elevations from sea level to 9,900 feet. The Koloa Maoli are endemic, found only in the wetlands of Hawaii.

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