Searching for the Sea

Red crabs live on Christmas Island. The island is in the Pacific Ocean. Every year, the crabs migrate. How do they know when to go? When the wet season comes, they know to move. The crabs leave the rainforest. They travel to the sea. They lay eggs. Then they return home.

Each year, millions of red crabs make a mad dash to the sea.

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Over the Ice

During winter on Antarctica, Adelie penguins migrate north. They live on large chunks of ice. During summer, they head south to beaches. They look for ice‑free land to build nests.

Penguins follow the sun. In winter, the sun is hard to find. So, penguins follow the ice. The ice “grows” over the ocean during winter. They live at the edge of this ice near the ocean.

Adelie penguins chase the sun on their migration.

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The Great Glide

Whooping cranes needed help. They did not know how to migrate. They did not know where to go. Why? There were no older birds to teach the young birds. So, people taught the young birds to follow small airplanes. The planes guided the birds along a safe route. Now these cranes know where to go! They teach their babies.

Whooping cranes needed a lesson on where to go.

Migration Madness

Many animals migrate. They use different ways to help them get where they’re going.

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