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File:Anas wyvilliana? or Anas wyvilliana x A. platyrhynchos? (6247184780).jpg

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This trio of ducks has me somewhat baffled. They flew in one day and were gone by the day's end.

They have so many traits of the endemic Hawaiian duck or koloa maoli: small birds; overall mottled pattern; did not quack (koloa maoli quack less or softer than mallards); orange feet. But, when I see "koloa maoli" near sea level on Oʻahu, I have my suspicions.

Koloa maoli (Anas wyvilliana) is endemic and an endangered species in the main Hawaiian Islands; whereas the mallard is not and very common. Hybridization is a major problem with the feral mallards.

These ducks were seen in Waimea Valley, Oʻahu (Man-made Pond #3) swimming amongst introduced waterlilies, Victoria sp., and native ʻakaʻakai (Schoenoplectus tabernaemontani).
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Source Anas wyvilliana? or Anas wyvilliana x A. platyrhynchos?
Author David Eickhoff from Pearl City, Hawaii, USA
Camera location21° 38′ 15.23″ N, 158° 03′ 26.09″ W Kartographer map based on OpenStreetMap.View this and other nearby images on: OpenStreetMapinfo

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This image, originally posted to Flickr, was reviewed on 15 November 2012 by the administrator or reviewer File Upload Bot (Magnus Manske), who confirmed that it was available on Flickr under the stated license on that date.

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current06:00, 15 November 2012Thumbnail for version as of 06:00, 15 November 20122,272 × 1,704 (560 KB)File Upload Bot (Magnus Manske) (talk | contribs)Transferred from Flickr by User:Tim1357

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