Field Notes

David Fix
74. by David Fix on July 09, 2011 at 07:41 pm

Adult Mew Gulls (of w. N. Am.) can be distinguished at some distance in flight by the "double dip" of white in the wingtips, produced by two large "mirrors." This gives them comparatively more white vs. black in the outer wing than, say, Cals or Ring-bills. Although this can be seen almost as far as the bird is visible, beware the winter phenomenon of "false Black-legged Kittiwakes"--Mew Gulls which forage out beyond the ocean breakers, flying buoyantly, fluttering, and dipping abruptly to the surface, much like a kittiwake. Through a less-than-steady scope, and given inexperience with this, such birds can be misidentified.

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Citation: Personal Experience. I observe this regularly, highly confident.

Mark S. Szantyr
98. by Mark S. Szantyr on August 14, 2011 at 08:59 pm

Mew (Common) Gull, L. canus canus, the European form of our Mew Gull, as stated above is more Ring-billed like. The bill is heavier than North American birds, the mantle, while darker than Ring-billed, is not as dark as the N.A. form, and the wing tips including the white mirrors, are not as extensively white as the N.A. form, though the white mirrors are larger than in Ring-billed Gull. I included a few images of a bird found in CT in March 2009 to the identification images above.

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Citation: Personal Experience. I observe this regularly, highly confident.

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01/31/15 Dave Irons, OR 110
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Recent Activity

Activity Date & Time
Steve Dimock added Mew Gull to their Bandon Water Tx Facility & Boat Basin smart list 10/20/2012 at 2:03PM
Dave Irons added Mew Gull to their Mt. Tabor Park, Portland, Multnomah Co., OR smart list 4/28/2012 at 3:11PM
Mark S. Szantyr added a note to Mew Gull Notes 8/14/2011 at 8:59PM
Dan Mitchell added Mew Gull to their Denali National Park, Alaska smart list 7/23/2011 at 8:34PM
David Fix added a note to Mew Gull Notes 7/09/2011 at 7:41PM