Contrary to what you see in popular culture—a stream of bats flying out of a cave, screeching and flapping loudly—bats don't make very much noise at all. In fact, long before you hear Bat Sounds in your attic or home, they may have been there long enough to destroy most of where they are nesting with their guano.
There are many audio samples of bat sounds on the internet, but it's much easier to investigate the mess left behind from your attic intruders to determine if you have bats, or check to see if they are coming at going during bat feeding hours from your home.
You'll notice bats outside every now and again at night without them nesting inside your home. This is business as usual for these creatures. But if you see more than one or two flying around, or clinging close to your soffit or roof, you might want to get an inspection. Eaves, fences, and porches are also popular hang out spots for bats. Do a test yourself: go outside at sunset or just before dawn and watch for bats coming and going from near the roof of your house. That's one of the ways Wildlife Removal experts are alerted to the presence of these creatures in your home.
No, seriously, their guano is not only harmful to the nose, but to your overall health. You're going to smell the guano, or see unexplained stains where they nest. This includes the walls and ceilings of your home. If you notice wet spots on your ceiling, have your attic inspected. That's most likely bat urine, and it has a horrible odor.
While bats are terrible at disposing of their waste properly, they also have poor hygiene. Bat fur is saturated with oils, dirt, and feces, and they can track that around as they fly in and out of your home. Any entry points they are using to your attic may have stains from where their dirty fur comes in contact with your home exterior. However, these types of stains can also be from rats if they are low enough to the ground. If this is the case, you should also seek Rat Removal Specialist. Either way, it doesn't look very nice.
Bats, however quiet, do make some sounds. The most common is the sound of wings flapping, or a scratching sound near dawn or dusk. Most Bat Removal specialists, and can quickly identify if you have bats in your home or attic.
For instance, if you call and set up an appointment with a bat removal expert, an inspector will be dispatched to your location to enter the suspected nest areas of bats inside your home, and identify the points of entry. Once this is done, they will recommend a plan to humanely exclude the creatures from your home and repair any damage they have caused.
If you have any doubts as to what type of critter is lurking in your attic, remember to use caution and not engage the animals or get in close contact with their feces. Wildlife Removal experts utilize protective gear to ensure that they do not contract diseases or come in contact with pathogens or allergens that can be harmful to your health.
If you read my articles about bat sight, you'll find out, among other things, bats use echolocation and actually do have eyes. However, their flight patterns will suggest something different. They don't land gracefulyl like birds, and tend to scratch, claw, and squeeze themselves through openings in your soffit.
That being said, heavy thuds and loud scratching on your roof or in your attice can indicate that you have a larger creature making its home above your ceiling. This could be a raccoon, and while these creatures don't nest in such large numbers as bats, they can produce a large amount of excrement and can be dangerous to you and your family's health. You really should contact a Raccoon Removal service to assist you in trapping and properly releasing the nuisance wildlife from your atti or home.