Hawaiian Ecosystems at Risk project (HEAR)

Anas wyvilliana
(Anatidae)

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Species description or overview Taxonomy & nomenclature Federal endangered/threatened status Threats to this species Videos Images
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Species description or overview

Anas wyvilliana (Hawaiian duck) species summary: Hawaii View info about Adobe Acrobat PDF format  important item 
Information about Anas wyvilliana (Anatidae) (Hawaiian duck) in Hawaii is provided by Bishop Museum (Honolulu) based on the studies of Robert L. Pyle and Peter Pyle.

USFWS species report on Anas wyvilliana
The is available online. A general description of the organism and information about its distribution in the U.S. (including territories and national wildlife refuges) is presented by the U.S. Fish & Wildlife Service, along with links to other documentation regarding federal (endangered/threatened) status, recovery information, and additional resources.

Koloa maoli (Hawaiian duck) overview View info about Adobe Acrobat PDF format
An overview of Anas wyvilliana is provided by the Hawaii Department of Land and Natural Resources (Hawaii's Comprehensive Wildlife Conservation Strategy, 2005).

Taxonomy & nomenclature

Anas wyvilliana information from ITIS
The Integrated Taxonomic Information System ITIS provides authoritative taxonomic information on Anas wyvilliana, as well as other plants, animals, fungi, and microbes of North America and the world.

Federal endangered/threatened status

USFWS species report on Anas wyvilliana
The is available online. A general description of the organism and information about its distribution in the U.S. (including territories and national wildlife refuges) is presented by the U.S. Fish & Wildlife Service, along with links to other documentation regarding federal (endangered/threatened) status, recovery information, and additional resources.

Anas wyvilliana species profile from USFWS
A species profile for Anas wyvilliana is provided by the U.S. Fish & Wildlife Service, including links to information regarding the federal endangered/threatened status of this species.

Hawaiian duck's future threatened by feral mallards
The Koloa maoli is threatened by "genetic extinction" from hybridization with invasive Mallard ducks. Biologists are acting to prevent the loss of Hawaii's unique native fowl (USGS fact sheet, 2007).

Threats to this species

Saving Hawaii's native duck
The threat to the native Hawaiian duck by feral mallards is explained (Hawaii Conservation Alliance).

Videos

Koloa maoli hybrid prevention public service announcement (video, 30 sec)
The Koloa maoli is an endangered Hawaiian duck that is facing extinction because of several threats including hybridization with feral Mallards. A public service announcement from Malama Hawaii alerts the public to this threat.

Koloa maoli - endangered native Hawaiian duck (video)
An overview of the Hawaiian duck, threats to this species, research are in a video from Malama Hawaii (YouTube, 2008)

Koloa maoli - hybridization a serious threat (video)
The threats to endangered koloa are discussed by wildlife managers from Kauai (YouTube).

Images

Hawaiian duck images
Images and species information for Hawaiian duck are on the ARKive site.

In the news

Hawaii Division of Forestry and Wildlife: Recovery Youth Conservation Corps Day of Service on Maui
Endangered birds at Kanaha Pond (Maui).

Full-text articles

Hawaiian duck's future threatened by feral mallards
The Koloa maoli is threatened by "genetic extinction" from hybridization with invasive Mallard ducks. Biologists are acting to prevent the loss of Hawaii's unique native fowl (USGS fact sheet, 2007).

Wetland features that influence occupancy by the endangered Hawaiian duck View info about Adobe Acrobat PDF format
Variations of koloa use of 48 wetlands with 14 site and landscape variables on the island of Hawaii revealed potential habitat improvements to promote koloa survival (The Wilson Journal of Ornithology, 2008).

Abstracts

Identification of endangered Hawaiian ducks (Anas wyvilliana), introduced North American mallards (A. platyrhynchos) and their hybrids using multilocus genotypes
Koloa and mallard-koloa hybrids can be distinguished with a high degree of confidence using microsatellite and AFLP markers (Conservation genetics).

Teacher resources

Our native duck, the koloa maoli, needs our help
Educational material including lesson plans, videos, and suggestions to help the Hawaiian duck are on the Malama Hawaii site.

Other resources

Hawaiian duck information from Wikipedia
Image, scientific classification, ecology, and general information about the Hawaiian duck are in the Wikipedia entry.

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The Hawaiian Ecosystems at Risk (HEAR) project was historically funded by the Pacific Basin Information Node (PBIN) of the National Biological Information Infrastructure (NBII) through PIERC (USGS) with support from HCSU (UH Hilo). More details are available online. Pacific Basin Information Node (PBIN) National Biological Information Infrastructure (NBII)
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