ELI5: Explain Like I'm 5

Alarm call

An alarm call is like when your mommy or daddy tells you to wake up in the morning. It's a loud noise that reminds you to get out of bed and start your day. In the animal world, some animals make alarm calls to warn their friends about danger. For example, a squirrel might make a loud chattering noise if it sees a hawk flying overhead. This noise tells the other squirrels that there might be danger nearby, and they need to be careful. Just like your mommy and daddy want you to be safe, animals make alarm calls to help keep their friends safe too!
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