This video is about bird migration.
Watch a Mesmerizing Migration Map
Watch the wonder and spectacle of bird migration captured on a single map. Using millions of bird observations from participants in eBird and the Great Backyard Bird Count, scientists at the Cornell Lab generated an animated map showing the annual journeys of 118 bird species. Watch how the routes change in spring and fall as birds ride seasonal winds to their international destinations. See the map in motion and read more.
Want to know which species is which? Check out the numbered key.