This looks like a aberrant Glacous-winged Gull, possibly
leucistic.

Sherry Hagen wrote:
>
> As Mark Miller reported yesterday on Obol about the GLAUCOUS GULL at Wy'East
> School. We found it in the afternoon on the grass in the pouring rain. We
> went back
> today in better weather and no gulls were there (soccer going on, etc) so we
> checked the Mt. View HS but only on bird so we checked the Safeway parking
> lot (known for the gulls on the poles) at the corner of SE 136th Ave. and
> Mill Plain in east Vancouver and sure enough it was on one of the light
> poles. A man came by on his bike and threw out bread and it along with the
> others came down and fed near by. At one point it flew across the road to
> the High School Pharmacy parking lot of feed too then flew back to Safeway.
> It is a delight to see this bird when it flies.
> Photos can be seen at the following website:
>
> http://home.pacifier.com/~birder/gull.html
>
> Sherry Hagen
> Vancouver WA
> littlebirder at netzero.net
>

--
Mike Patterson
Astoria, OR
celata at pacifier.com

A child who becomes acquainted with the birds about him
hears every sound and puzzles out its meaning with a cleverness
that amazes those with ears who hear not.

-Neltje Blanchan

http://www.pacifier.com/~mpatters/bird/bird.html