Ring-necked Duck (Aythya collaris)

Species Account

Ordered chronologically (not necessarily by HRBP number)

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HRBP 0400. Ring-necked Ducks (Aythya collaris), two males and a female (right), with a Canvasback (left) and Lesser Scaups. Waiakea Pond, Hawai'i Island, 1 Dec 1977. © Robert J. Shallenberger
HRBP 0399. Ring-necked Duck (Aythya collaris), left, with Canvasback. Waiakea Pond, Hawai'i Island, 1 Dec 1978. © Robert J. Shallenberger
HRBP 5647. Ring-necked Duck (Aythya collaris). BPBM 179748 collected on Laysan in 1993, probably fall. Photo © Peter Pyle
HRBP 5648. Ring-necked Duck (Aythya collaris). BPBM 179748 collected on Laysan in 1993, probably fall. Photo © Peter Pyle
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HRBP 5319. Ring-necked Duck (Aythya collaris). Haleiwa, O'ahu, 28 Oct 2006. © Michael Walther
HRBP 5837. Ring-necked Ducks (Aythya collaris). Haleiwa, O'ahu, 28 Oct 2006. © Michael Walther
HRBP 5838. Ring-necked Ducks (Aythya collaris). Haleiwa, O'ahu, 28 Oct 2006. © Michael Walther
HRBP 5503. Ring-necked Ducks (Aythya collaris), left and right, with Hawaiian Coot and Tufted Duck (center) Kona Sewage Treatment Plant, Hawai'i Island, 6 Jan 2008. © Reginald David
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HRBP 5884. Ring-necked Duck (Aythya collaris), left, with Lesser Scaup. Kawaiele, Kaua'i, 17 Jan 2008. © Jim Denny
     
Photographs and images contributed to Hawaii Rare Bird Photograph (HRBP) file, B. P. Bishop Museum, Honolulu and part of The Birds of the Hawaiian Islands: Occurrence, History, Distribution, and Status by Robert L. Pyle and Peter Pyle. See Introduction for more information.