For the curious, the larger sandpipers turned out to be just large Least
Sandpipers.

http://skygardener.zenfolio.com/p996964534/h5e092330#h5e092330

[...]

> I also have an ID request. What is the larger sandpiper in the
> background of these photos? There were four of these birds mixed in
> with some Least Sandpipers. They were noticeably larger. I have
> another shot that includes a Killdeer, and they are smaller than a
> Killdeer. Are they just larger Least Sandpipers or something else?

John Riegsecker
jriegsecker at pobox dot com
Gig Harbor, WA.

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John Riegsecker