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NOVA - Mystery of the Animal Pathfinders

Seizoen: 13 - Aflevering: 17 / 284 - Eerst uitgezonden: 25 november 1986 - Episode ID: 400381

Birds do it; bees do it, butterflies, bats and eels do it—all leave one habitat to migrate to another, often thousands of miles away. NOVA penetrates the mystery of where animals migrate, why and how they get there.