Why Are Elephants' Ears So Big?

An elephant’s large ears assist it with thermoregulation, hearing, and communication.

The Garden of Eaden: March 2012

Why do elephants have tusks, big ears and long trunks? - Little

Why Elephants Have Big Ears: And Other Riddles from the Natural

Why Do Elephants Have Big Ears?

Bellringer:  Why are an African Elephant's ears so big? - ppt

Elephant Parade

Why Do Elephants Have Big Ears?

Sri Lankan elephant, mammal

Elephant Parade

Why Do Elephants Have Big Ears?

Enormous Elephants (Great Big Animals) (Paperback)