Harming bats is illegal in most states according to the dec 4.
Do bats harm your attic.
If it gets colder than that the bats in the attic will migrate out allowing you to seal up cracks and other entry points once they leave for the season.
If the attic is warm enough year round.
If your attic is very warm or if you live in an area that is warm all year the bats will never leave except to go out each night to feed.
Otherwise they migrate and return each spring.
Bats are good animals gentle and beneficial to the environment.
Over time this can cause your home s roof support beams to rot leading to expensive repairs or even a caved in ceiling.
Bats can cause considerable damage in the attic.
Remember it s important not to harm bats.
Guano has a strong odor and besides that it can cause secondary issues such as mold fungus and bug infestation.
They eat a lot of insects which people seem to like.
If you have bats in your home visit your state s dec webpage to find numbers for local offices to follow up on laws in your state.
Really it s a great thing that bats are majority protected.
Read more about all the ways that bats can cause damage in your attic.
If you live in an area that is colder seasonally the bats may migrate for the winter but they will return when the weather warms up again.
Many bat problems happen when the young start to crawl around and fly and sometimes the inexperienced young crawl down into the house.
If you live in an area with mild temperatures throughout the year the bats will stay year round.
It depends on many factors such as the length of time the bats have been in the attic and the number of bats.
Bats can also cause severe property damage through their droppings and their claws.
Bat skin secretes an oil that rubs off on the walls of your attic leaving a tell tale sign that you have unwanted guests.