Animals are noisy. And their noises can travel a long way.
But making sounds can be a double-edged sword: It can help them communicate, sometimes over long distances, but it can also reveal them to predators.
In new research published in the Journal of Mammalian Evolution, my colleague and I studied how far the sounds of 103 different mammal species travel, and discovered some surprising patterns.
What’s more, these patterns hint at an overlooked impact humans may be having on our fellow creatures: not only changing their sonic landscapes through our own noise, but also changing the world their sounds are traveling through, with unknown effects.
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