free-documentary 3 years ago
documentaries #Wildlife

Birds of Passage | A Secret Journey Through the Skies

For the first time ever, explore unprecedented migratory travels! Every year, millions of migratory birds make their epic journey across Europe. Heading south in the fall, north in the spring, recently there have been fewer birds in our skies. Some species have even vanished entirely. What could be discouraging them from flying over our lands?

Free Documentary
wildlife | culture | history