Why do birds fly south in the winter?

Joke image

Because it's too far to walk!

Q: Why do birds fly south in the winter?

A: Because it's too far to walk!

如果走路的话就未免太远了。

Discussion

我们都知道候鸟是会在冬季飞往南方的,想想它们如果走路的话,那就会十分有趣!
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