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Sandwich (Cayenne) tern? Aruba, December 2023 (1 Viewer)


This particular tern (immature/non breeding plumage?) was at Baby beach, Aruba with several hundred royal and sandwich terns. The size is smaller than a royal tern, almost similar to the sandwich terns nearby with the yellow and black bill.
I went through what I could find on Eurasian, Cabott and Cayenne sandwich terns, and to me it looks like a cayenne subspecies.
Any thoughts?


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