Why do elephants wave their trunks in the air?

Answer 1

The elephant's ears are large and thin, with lots of blood vessels. Flapping its ears is a way for the elephant to cool itself.

Answer 2

In captivity it is likely a sign of deep frustration and boredom. They are intelligent creatures that need a very large habitat to be comfortable.

Answer 3

Elephants wave their trunks in the air and side-to-side to improve their sense of smell. They also use their trunks as "snorkels" while swimming.

Answer 4

Because they are keeping time.

Answer 5

to keep off of bugs