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A tree frog showing ist throat sac

Suede Chen

Frogs & Friends

Frogs & Friends

Frogs often amplify their calls using their vocal sacs. They do so by filling their throat sac with air to inflate it. This not only creates a larger resonance chamber, but the sound waves are also dispersed more evenly in every direction. After all, frog males need a good way to locate a female. Their vocal sac allows tree frogs to achieve especially high volumes.

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Details

  • Title: A tree frog showing ist throat sac
  • Creator: Suede Chen
  • Location: Berlin, Germany
  • Original Source: Frogs & Friends

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