Why do many animals gather?

Putting a small fish alone in a fish tank, you can see it swimming around all day, as if looking for its intimate “companion.” If a small mirror is placed …

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Why does rattlesnake tail sound?

In certain areas of the Americas, Australia, and Africa, one often hears a “clacking” sound, which inexperienced individuals might mistake for the sound of flowing water from a stream. However, …

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