Every year, a tiny 100-gram bird performs a journey that defies biology, physics, and the limits of life itself.br The Arctic Tern flies from the Arctic all the way to Antarctica, completing an unbelievable 80,000-kilometer round trip — the longest migration ever recorded in the animal kingdom.br br This cinematic documentary from Biography Plus reveals the science, the mystery, and the raw survival behind the world’s greatest traveler.br Discover how this fragile bird:br br • Navigates storms larger than citiesbr • Sleeps while flyingbr • Eats in mid-airbr • Uses Earth’s magnetic field as a natural compassbr • Lives almost entirely in sunlightbr • And returns every year to the exact region where it was bornbr br This is not just a story about a bird.br It is a story about endurance, instinct, courage — and nature’s most extraordinary traveler.br br If you believe breathtaking true stories deserve to be told,br you’re watching Biography Plus.