Richard Ward

 Tags: Decontamination

Bats aren’t dangerous creatures by nature, but that doesn’t make them everyone’s favourite houseguests. Living with bats brings potentially harmful side effects. Find out more about bat infestation dangers that could harm your household, and learn what to do if you have bats living in your home.

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1. Bat Guano

Are you wondering how dangerous it is to have bat guano in the attic? It’s one of the biggest consequences of finding bats in the home because their droppings contain several harmful viruses. 

A few bats in the home can slowly turn into a full-blown colony, which results in a larger pile of guano in the home and around their exits and entrances. This can increase the chance of the airborne fungus Histoplasma capsulatum being carried throughout the home. You might end up inadvertently breathing it in through natural air circulation. 

Homeowners should be especially careful during clean-up. When droppings are disturbed, it can increase the risk of exposure.

2. External Damage

Interior damage isn’t your only concern: Your home’s exterior may require mending. If you find milky white stains on roofing, shingles, and brick, it’s bat urine, and it requires a thorough clean-up.

One feature of bat anatomy includes a greasy, oily coat trail, which covers their fur in a smooth gloss. This oily residue leaves a mark around entry points. If you found rub marks around entrances, they may be slightly sticky, covered in bat hairs, and appear to be a yellow-brown or black colour.

Bats find any way possible to enter a home—through the roof, the chimney, and even the vents. This can damage your home’s integrity, in addition to creating costly repairs. For a closer look, use a ladder around the home. You’ll likely see piles of guano or urine in one area, and grease stains around crevices and cracks. This is clear evidence of a bat entry and exit point.

Broken shingles and loose boards make it easy to slip inside, while creating a bigger problem for you to fix. Regular home maintenance is important for reducing the likelihood of bats entering the home.

3. Water Contamination

You might notice bat urine outside the home, and your home’s layout combined with the bats roosting location could result in urine entering the water system. If you have an outdoor water collection or use a rainwater tank, there’s a risk of urine seeping inside. This exterior damage is one of the bat infestation dangers that’s best avoided.

4. Diseases

Bats host many human-infecting viruses, so catching a disease from a bat brings a host of unpleasant problems. Rabies is one such disease that humans could be exposed to through bat bites. And it can be difficult to tell if bats are infected. It’s important to avoid any direct contact with them.

5. Lack of Peace of Mind

You might not notice when bats first entered the home, but once you’re aware of them, they’ll be hard to forget. Irritating sound effects include their vocal squeaking, grooming, scratching, and crawling, which is often heard before dusk and around dawn. Their fluttering and squeaking could keep you up, and there’s no denying the benefits of a good night’s sleep. While it’s one of the lesser bat infestation dangers, it certainly is a nuisance.

There are key bat-proofing tips homeowners can use, but evicting bats from your home is a job best left to a professional. Call wildlife removal services for bat eviction. They have the know-how and expertise to remove bats safely and humanely.


Richard Ward

With four years of experience as a wildlife technician, Richard has worked for All Wildlife Removal Inc. as a technician since 2015 and is now the Operations Manager.