Animal Trivia : Where is elephant's ear holes?

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An elephant's ear holes are on the outside of the flaps.







Elephant's earhole is on the side of the head and the pinna has reached from the back to cover the earhole. 
The structure is the same as a human ear. 
Aural of the elephant develops very much and they can catch the super-bass that cannot be listened by us. 
Because a super-bass reaches far, they can talk with other elephants that are far away that can not be seen. 
 
The elephant greatly expands both ears when it is in a bad mood. 
The purpose of this is for the enemy to show large the body and to collect a lot of information at a critical moment.