Rodents are the some of the fastest moving animals that live in attics. Mouse-sized rodents will make softer noises and do not have the weight to make heavy thumping noises. ... Bats are generally very quiet, but they often do make a soft scratching noise as they crawl around.

Do bats make a knocking sound?

Chirps will obviously be birds and bats tend to make high-pitched chirps that you may not have previously heard. No matter which of animal is causing the knocking sound in your attic, you should try to get them out of the space as soon as possible.

Why do I hear loud bangs in my house?

The knocking or banging noise you hear coming from your walls usually occurs when air pressure builds in your water pipes. This pressure builds up and causes your pipes to vibrate once the pressure is released (when your faucets are turned on or your toilet is flushed).