> How are birds capable of making loud noises?

How are birds capable of making loud noises?

How are birds capable of making loud noises?

Posted at： 2014-11-15　
Like tiny little birds are always so noisy. Shouldn't they be quieter since they are smaller?

In the wild they have to communicate over long distances, no matter what size they are. That's why they are so loud.

they have the same sized syrinx

Like tiny little birds are always so noisy. Shouldn't they be quieter since they are smaller?
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