Educator Guide: Why Baby Ducks Swim in a Line

Many ducklings, such as these mallards (Anas platyrhynchos) trail their mothers in orderly lines. Such an arrangement gives the little ones a boost from the waves stirred up by their mother.
Vicki Jauron, Babylon and Beyond Photography/Getty Images Plus
About this guide
In this guide, students will learn how scientists figured out why baby ducks save energy when swimming in a certain formation and discuss drag force using real-world examples.
This Guide Includes:
How ducklings dodge drag
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