It may be hard to believe, but cats have better hearing than dogs. A cat can hear a mouse's 60,000 Hz ultrasound high-frequency squeaks, which humans cannot hear. You can help keep your cat's ears in top shape with a few simple actions.

Check the ears of your cat to make sure they're clean, a pale pink color, and clear of dirt, with no unpleasant odor. Also, check the earwax. Dark earwax may indicate ear mites. See your vet if you discover any unusual changes. Ask your vet how to properly clean your cat's ears.