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Millions of Insects Squeeze Through a Narrow Mountain Pass in the Pyrenees Each Year!

By: Simon Birch
Originally Published in  Discover Wildlife

Discover the incredible journey of millions of insects migrating through the Pyrenees.

The article "Millions of Insects Squeeze Through a Narrow Mountain Pass in the Pyrenees Each Year!" from BBC's Discover Wildlife reveals how over 17 million insects migrate through a narrow mountain pass in the Pyrenees each autumn.

Student Article Info

BBC's Discover Wildlife brings you closer to nature with expert advice, conservation news, the best nature writing and stunning wildlife photography. Learn more about subscriptions here.

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A swarm of small winged insects
© Getty

Most passages are available in three different versions: Level 1 (Grade 3-5), Level 2 (Grade 6-8), and Level 3 (Grade 9-12). Some more complex texts are available only in Level 2 and Level 3. Use the versions that are most appropriate for the students in your class.

Note: The BBC Learning Hub Editorial Team made use of AI tools to create multiple versions of this article, each tailored to different student reading levels. Every version undergoes a thorough review by our BBC Learning editors to ensure accuracy, quality, and appropriateness.

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Level 1 Reading Passage
Grades: 3-5Lexile Level: 400-600L
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Level 2 Reading Passage
Grades: 6-8Lexile Level: 700-900L
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Level 3 Reading Passage
Grades: 9-12Lexile Level: 900-1200L
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