People as they get older experience high frequency hearing loss.

Do dolphins?
Do bats?

And in each case if so then how does that affect them?

mollwollfumble said:

People as they get older experience high frequency hearing loss.

Do dolphins?
Do bats?

And in each case if so then how does that affect them?

I would think that as animals age or, for whatever reason, their hearing acuity diminishes they are more likely to become prey for other animals.