In the United States, Magnificent Frigatebirds only breed in the Dry Tortugas. The breed elsewhere in the Caribbean and also in various locations in the Pacific. Frigatebirds wander regularly to North Carolina and the shores of the Gulf of Mexico. Hurricanes blow them further astray, often considerable distances inland. Several frigatebirds have even been recorded in Minnesota.
Dunn and Alderfer 2006). Notice this male frigatebird's red throat pouch.
Diamond and Schreiber 2002).