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SUPER SCIENCE

Why do baby ducks swim in a line?

作者:TEENS
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为什么小鸭子总是跟着妈妈排队游?



 

They do this to save energy. When mother duck swims, she leaves waves behind. Following their mother, baby ducks can swim in the waves. Some waves give them a push and make them swim easily. But if they fall out of line, swimming gets harder.

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