Why do elephants flap their ears?

Elephants flap their ears to regulate body temperature and communicate. Their large ears are filled with blood vessels, and flapping helps cool the blood by increasing airflow. This cooling effect is crucial in hot climates, where elephants face intense heat. Additionally, ear flapping can signal emotions like agitation or excitement, serving as a form of non-verbal communication within herds. This dual-purpose behaviour demonstrates how elephants adapt to their environment while maintaining social bonds.