Why do elephants have large ears?

Elephants have large ears that help regulate their body temperature. The ears act as natural cooling systems, as the blood vessels in them help dissipate excess heat. When elephants flap their ears, they increase airflow, which cools the blood flowing through the vessels. Additionally, large ears also aid in communication, as elephants use their ears to signal mood and intentions to other elephants. These impressive ears help the animal survive in hot environments like the African savannah.