Nebraska is truly a flyover state for millions of snow geese, sandhill cranes and other migratory birds traveling north from south of the border during early spring. The area has become world famous for bird watchers who themselves migrate to the Audubon's Rowe Sanctuary along Nebraska's Platte River to see and hear the birds up close.
NBC News correspondent Harry Smith and photographer Abraham Villela told their story on last night's Nightly News, but many beautiful images were left unseen. Below Villela presents an extended director's cut of the sights and sounds of the mighty migration.
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