MD Osprey:
On Saturday, a non-breeding plumage White-winged Tern was reported at
Ted Harvey WMA in DE. At this time of the year, I assume that
"non-breeding" plumage means a sub-adult. Keep your eyes open for
"marsh terns" in Maryland. Carefully scan any apparent Black Terns
(with short, square-tails) for white rumps.
Phil
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Phil Davis Davidsonville, Maryland USA
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