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Jan 1, 2007
Pt. Douglas Park
Washington Co.

At 1:30pm today I watched a female goldeneye that had an entirely yellow bill.  
It was about 300 m away, but even at that distance the bill color was obvious. 
Not bright yellow, rather dull yellow, but very obvious compared to several 
female Common Goldeneyes that it was with, none of which had more than the 
usual dipped-in-yellow tips to their bills.  The bird was with several Common 
Goldeneyes, both males and females. I watched the bird for about 15 mins. and 
could not see any structural difference in bill shape or head shape with the 
COGOs. Nor did I see the wings open. In fact, my feeling was that the bill was 
even a bit larger, perhaps due to its brightness? Yellow-billed female Common 
Goldeneyes are apparently very rare, e.g. see Madge and Burn (1988 - An 
identification guide to the ducks, geese and swan of the world); Eadie, J. M., 
M. L. Mallory, and H. G. Lumsden. (1995). Common Goldeneye (Bucephala 
clangula). The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell 
Laboratory of Ornithology; and R. Allen 1992. Female goldeneye with yellow 
bill. Br. Birds 86: 669–670. 

Hopefully, views (and photos) of this bird can be obtained at a much closer 
distance. Good birding and Happy New Year.

Jim
Eagan
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<DIV><SPAN class=authors>Jan 1, 2007</SPAN></DIV>
<DIV><SPAN class=authors>Pt. Douglas Park</SPAN></DIV>
<DIV><SPAN class=authors>Washington Co.</SPAN></DIV>
<DIV><SPAN class=authors></SPAN>&nbsp;</DIV>
<DIV><SPAN class=authors>At 1:30pm today I watched a female goldeneye that had 
an entirely yellow bill.&nbsp; It was about 300 m away, but even at that 
distance the bill color was obvious. Not bright yellow, rather dull yellow, but 
very obvious compared to several female Common Goldeneyes that&nbsp;it 
was&nbsp;with, none of which had more than the usual dipped-in-yellow tips to 
their bills.&nbsp; The bird was with several Common Goldeneyes, both males and 
females. I watched the bird for about 15 mins. and could not see any structural 
difference in bill shape or head shape with the COGOs. Nor did I see the wings 
open. In fact, my feeling was that the bill was even a bit larger, perhaps due 
to its brightness? Yellow-billed female Common Goldeneyes are apparently very 
rare, e.g. see Madge and Burn (1988 - An identification guide to the ducks, 
geese and swan of the world); Eadie, J. M., M. L. Mallory, and H. G. Lumsden. 
(1995). Common Goldeneye (<I>Bucephala clangula</I>). The Birds of North 
America Online (A. Poole, Ed.). Ithaca: Cornell Laboratory of Ornithology; and 
</SPAN><SPAN class=authors><EM>R. Allen</EM></SPAN> 1992. Female goldeneye with 
yellow bill. Br. Birds 86: 669–670. </DIV>
<DIV>&nbsp;</DIV>
<DIV>Hopefully,&nbsp;views (and photos) of this bird can be obtained at a much 
closer distance. Good birding and Happy New Year.</DIV>
<DIV>&nbsp;</DIV>
<DIV>Jim</DIV>
<DIV>Eagan</DIV>
<DIV>&nbsp;</DIV>
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