Elephants can communicate with other elephants across distances of up to five kilometers (3 miles) by producing sounds that travel through the air. However, they have a second way of sending signals: seismic waves traveling through the ground. These vibrations are transmitted from elephants' fe...

Source: [Phys.org](https://phys.org/news/2026-07-elephants-footsteps-messages-ground-skull.html)

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