Jedna od najvećih svjetskih migracija zastane svakog marta na jednom skromnom mjestu, na ravnici američke države Nebraske, pune kukuruznih polja, smještenih u središtu Sjedinjenih Država. Dok ljudi mogu prelijetati ili se voziti kroz to područje velikom brzinom ždralovi se zadržavaju na ovom mjestu, pored rijeke Pate, nalazeći i sklonište i hranu. Prošle godine, rekordnih 1 milion ždralova - oko 85 posto svjetske populacije ovih ptica - zaustavilo se na poljima Nebraske na svom migracionom putu ka sjeveru.
Ždralovi nad Nebraskom

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FILE -- Sandhill cranes begin a playful hopping and leaping as the sun rises on the Platte River in central Nebraska, a staging location on one of the world's largest migrations.

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FILE -- Sandhill cranes fill the skies at sunset, descending to their roost on the river where they are protected from predators.

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As the sun rises, crane watchers look out the holes in the blinds at Aububon's Rowe Sanctuary to spot sandhill cranes perched on the river or flying overhead, near Gibbon, Nebraska, March 16, 2019.

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FILE -- The evening rush hour on the Platte River includes thousands of sandhill cranes drifting down from the sky at dusk to find a place among the masses standing in shallow water on the river, Feb. 22, 2019.