Complex sentence: Common starlings may be sucked into aircraft jet engines, one of the worst instances of this being an incident in Boston in 1960, when sixty-two people died after a turboprop airliner flew into a flock and plummeted into the sea at Winthrop Harbor.
Split into simpler sentences: Common starlings may be sucked into aircraft jet engines, one of the worst instances of this being an incident in Boston in 1960. Sixty-two people died after a turboprop airliner flew into a flock and plummeted into the sea at Winthrop Harbor.