A large group of migrating tree swallows were seen filling the sky in Fire Island, New York, on Thursday, October 3.Videographer Micheal Busch told Storyful that the swallows were “everywhere, they flew within inches of my head!”East Coast tree swallows most likely head south along the Atlantic Coast to spend the winter in Florida and Central America, according to Cornell University’s All About Birds. Credit: Micheal Busch via Storyful