Complex sentence: The Ascension frigatebird ("Fregata aquila") is a seabird of the frigatebird family Fregatidae which breeds on the tiny Boatswain Bird Island just off Ascension Island in the tropical Atlantic Ocean.
Split into simpler sentences: The Ascension frigatebird ("Fregata aquila") is a seabird of the frigatebird family Fregatidae. It breeds on the tiny Boatswain Bird Island just off Ascension Island in the tropical Atlantic Ocean.