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2-5-2011 Madison county IL.  
The Hartford IL Mew Gull from Thur. flew to Bend rd. at days end today.

Here an adult winter Mew Gull. (American small-billed) L.c.brachyrynchus:
classic field marks: dark eye (mini Slaty-backed wing tips)
Here note: dove like jizz; lead grey mantle (less blue); small smudged bill (no ring);
P6 sub-terminal black band surrounded by white (up against the tertial crescent):
(looking like a piece of electrical tape on a marshmallow) 
Here shown with Ring-billed bills:

Your turn: Expert Field ID Challenge.
Here in harsh winter light:
Here hidden in plain sight:
Here sleeping:

LBIMO
Bill Rudden
St. Louis
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The Audubon Society of Missouri's Wild Bird Discussion Forum
ASM Website: http://mobirds.org/