Hawaiian Duck (Anas wyvilliana)
Where Listed: WHEREVER FOUND
The Hawaiian Duck or koloa, is generally mottled brown and has a green to blue speculum (the distinctive feathers on the secondary wing feathers) with white borders. Adult males tend to have a darker head and neck feathers (sometimes green). Both sexes have orange legs and feet. Females have a dull orange bill. The male koloa is 19 to 20 inches in length while the female is 16 to 17 inches. Their quack is a little softer than the mallard and koloa are not as vocal.
- States/US Territories in which the Hawaiian Duck, Wherever found is known to or is believed to occur: Hawaii
- US Counties in which the Hawaiian Duck, Wherever found is known to or is believed to occur: View All
- USFWS Refuges in which the Hawaiian Duck, Wherever found is known to occur:
Hakalau Forest National Wildlife Refuge, Hanalei National Wildlife Refuge, Huleia National Wildlife Refuge, James Campbell National Wildlife Refuge, Pearl Harbor National Wildlife Refuge
- Additional species information
|Status||Date Listed||Lead Region||Where Listed|
|03/11/1967||Pacific Region (Region 1)||Wherever found|
» Federal Register Documents
|Date||Title||Plan Action Status||Plan Status|
|10/28/2011||Recovery Plan for Hawaiian Waterbirds, Second Revision||View Implementation Progress||Final Revision 2|
|Date||Citation Page||Title||Document Type|
|01/19/2012||77 FR 2753 2754||Recovery Plan for Hawaiian Waterbirds, Second Revision||
|03/08/2007||72 FR 10547 10550||Initiation of 5-Year Reviews of 71 Species in Oregon, Hawaii, Commonwealth of the Northern Mariana Islands, and Territory of Guam||
|02/05/2013||78 FR 8185 8187||Endangered and Threatened Wildlife and Plants; Initiation of 5-Year Status Reviews of 44 Species in Oregon, Hawaii, Guam, and the Northern Mariana Islands||
|08/24/2005||70 FR 49668 49669||Draft Revised Recovery Plan for Hawaiian Waterbirds, Second Draft of Second Revision: Notice of document availability for review and comment.||
|07/09/1999||64 FR 37148 37149||Availability of a Draft Revised Recovery Plan for Hawaiian Waterbirds, Second Revision||
|07/23/2015||Hawaiian duck 5-year review 2015|
|07/31/2009||Hawaiian duck completed 5-year review|
» Critical Habitat
No critical habitat rules have been published for the Hawaiian Duck.
» Conservation Plans
|HCP Plan Summaries|
|Kawailoa Wind Power Facility - Oahu|
|SHA Plan Summaries|
|Programmatic Safe Harbor Agreement Covering Hawaiian Goose, Duck, Moorhen, Coot, and Stilt for Participants of USDA Farm Bill Conservation Programs|
» Life History
No Life History information has been entered into this system for this species.
» Other Resources
NatureServe Explorer Species Reports -- NatureServe Explorer is a source for authoritative conservation information on more than 50,000 plants, animals and ecological communtities of the U.S and Canada. NatureServe Explorer provides in-depth information on rare and endangered species, but includes common plants and animals too. NatureServe Explorer is a product of NatureServe in collaboration with the Natural Heritage Network.
ITIS Reports -- ITIS (the Integrated Taxonomic Information System) is a source for authoritative taxonomic information on plants, animals, fungi, and microbes of North America and the world.
FWS Digital Media Library -- The U.S. Fish and Wildlife Service's National Digital Library is a searchable collection of selected images, historical artifacts, audio clips, publications, and video.