Question

why buffalos moves their ear ​

Answer 1

Explanation:

Head waving is used as communication between bison and bison or between a buffalo and an out- sider (human, dog, cat, etc.). The meaning is either MOVE or your "head waving" had better be more forceful than theirs. ... Since this is a test, don't wave at your bison unless you are sure you rank higher on the pecking order

Answer 2

Maybe in simple words

☞ Many animals move their ears to get better focus and attention on a novel sound.......