Two Goldeneye graced Centennial this afternoon.  One with an all-yellow bill
had me going for a while, but size of both was same and I've since learned
that female Commons rarely show an all-yellow bill.

Also present were

Great Blue Heron
Canada Goose - several thousand
Ring-necked Ducks - 40+
Lesser Scaup - 4
Canvasback - 6
Ruddy Duck - 9
Hooded Merg - I forget, maybe a dozen (it's written down)
Belted Kingfisher - 1

I lacked the patience to troll the Canadas for a smaller one!  

Kurt Schwarz
HowCo
goawaybird at comcast dot net