Doug,
I tried with all my might to make it a Tufted Duck, but I can't.  The bill pattern looks good for Ring-necked.  As does the white "spur" on the forward flank and grayer flank panel behind it.  Also the tail seems grayer rather than blacker.  I see no hint at all of a tuft, not that it always shows on Tufted Duck.
Intriguing - thanks for posting.  And would be glad to hear what others may reply.
Carlton SchooleyStrasburg (Tuscarawas)
 

    On Friday, October 27, 2017 10:14 PM, Doug Overacker <[log in to unmask]> wrote:
 

 Larry Jeanblanc took some pictures of an aythya duck in Old Reid Park in
Clark County on 10/26/17. It looks odd to me. I have posted the pictures on
the Clark County Audubon website at www.clarkcountyohioaudubon.org. I would
like any comments on this bird. It mostly looks like a Ring-necked Duck but
there are some odd things about the bird.

Thanks for any comments.

Doug Overacker
Springfield, Ohio

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