In both 1984 and 1985 Masked Boobies ( Sula dactylatra) attempted to nest on sandy islets at the Dry Tortugas, Florida. Nesting attempts failed because the nest sites were washed away by summer storms. It seems likely that this species will eventually nest there successfully and will establish a small breeding population. This is the first documented nesting by this species in the contiguous United States.
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Nesting of the masked booby on the Dry Tortugas, Florida: the first record for the contiguous United States