In Dominican Republic is known as Gaviota Oscura.
PS: THe Sooty and the Bridle terns can be easily confused. THey only differ by their size, the Sooty tern been slightly larger than the Bridle, The Sooty tern also has a slightly darker back and broader white forehead. For someone with absolute no experience with these birds, it was difficult to identify one from the other so, any correction would be appreciated.
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