Today during an excursion into the pannes of Scarborough Marsh I observed the continuing Wilson's Phalarope with a group of other shorebirds. I originally assumed this to be the same bird that Matthew Gilbert found here on the 17th, but upon reviewing photos at home it appears that it is not so. Matthew's bird had replaced (gray) scapulars, as well as a few other minor differences, while the bird that I observed today had all of its juvenal scaps intact.
It looks like the photos that Noah Gibb and Charles Duncan took on the 18th depict the same individual that I observed today (that is, different from the individual that Matthew found and photographed on the 17th).
Thought that would be worth sharing!
Happy birding,
-Weston