Unseen Marvels: 18 Animal Senses Outperforming Human Perception in Astonishing Ways
The Elephant's Seismic Sense

Elephants communicate using infrasound, low-frequency sounds that humans cannot hear. These sounds can travel over long distances and even through the ground. Elephants also perceive these ground vibrations through specialized cells in their feet, allowing them to "hear" messages from far-off herd members.