Question

what animals have external ears

Answer 1

All mammals such as elephant, deer, bear, zebra etc. have external ears.

The external part of the ear is called “pinna”.

All mammals have this “pinna” except the most primitive mammals such as the “monotremes” that is, the egg laying mammals don’t have ears with pinna.

These external ears are only found in those mammals.

Answer 2

Almost all mammals have external ears. The mammals like elephant, deer, bear, zebra, etc.

The outer ear or external ear consisting of the auricle and ear canal. It collects the sound energy and protects the eardrum.

The biological name of external part of the ear is “pinna”.

All mammals have this "pinna," except for the most primitive mammals like the "monotremes," that is, the mammals laying the egg have no pinna ears.