How Animals Navigate Epic Migrations

Added: 2026-05-07

[00:00:00]Imagine traveling [music] thousands of miles without GPS or a map.

[00:00:04]Many animals do just that every year.

[00:00:07]Monarch butterflies, [music] for instance, migrate up to 3,000 miles, guided by the sun and an internal clock that helps them adjust their direction.

[00:00:15]Sea turtles use Earth's magnetic field as a natural compass, sensing subtle variations to find their way home.

[00:00:22]Birds like the Arctic Tern navigate [music] by reading the stars and even detecting polarized light. These extraordinary strategies show how evolution has equipped animals [music] with astonishing tools, making migration one of nature's greatest feats.