|HEAR home > species info > vertebrates > Anas wyvilliana (Anatidae)|
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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
An overview of Anas wyvilliana is provided by the Hawaii Department of Land and Natural Resources (Hawaii's Comprehensive Wildlife Conservation Strategy, 2005).
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).
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).
Wetland features that influence occupancy by the endangered Hawaiian duck
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).
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|The content of this page is based on information last generated on 15 October 2017 by PT. The template for this page was created on 15 March 2004 by EMS, and was last updated on 20 February 2006 by PT.|