Monarch butterfly /

Monarch Butterflies. Every year, up to 300 billion monarch butterflies migrate more than 2000 miles from Canada to Mexico. Sudden changes in their environment though, can be disastrous. From changes in weather to deforestation, these butterflies continue to face challenges. Certain organizations are...

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Bibliographic Details
Format: Video
Language:English
Language Notes:In English.
Published: Washington, D.C. : National Geographic, [2015]
Series:Academic Video Online
Subjects:
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