For Fiddler Crabs, Size Matters

Fiddler crabs use their claws to communicate - and its size is symbolic in more ways than one.

Join us on a trip around the world, visiting different countries to see some of nature's most fascinating animals. Each week we'll take you to a new and wild part of the world and teach you about one amazing animal. Who says traveling the globe has to be so hard? Join us every week on Discovery World Safari.

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