Name That Shorebird!

I took The Shorebird Guide out for a test drive. In honor of the review coming within the next few entries I offer this shorebird I took a picture of at 180th Street Marsh in Dakota County. Anyone care to try and id it?

Today's prize is a Vortex Lens Pens that can be used to clean binoculars, spotting scopes, glasses and camera lenses: