Learn how to coexist with bats in ways that will keep you safe and allow the bats to find a different home
When There are Bats in Your House
Obviously, no one should share living quarters with wild animals, but bats using houses or other buildings are in a perilous predicament. Frequently they are exterminated. If they are lucky, they are evicted. Unfortunately, suitable habitat is now extremely limited, and bats may have nowhere to go once evicted.
Most building colonies are comprised of mothers and their young. Bats reproduce very slowly, and evicted bats are often forced to abandon their young, causing the young to starve and die. Besides being terribly cruel, the practice of separating mothers from young, or outright extermination, causes the loss of hundreds of years of reproductive potential. Every mother or baby that dies means that potential descendants are lost too. Every lost maternity colony pushes our little brown bat closer to oblivion.
“Hello. I made a horrible mistake by having someone come out and exclude some bats. Now they are on the outside of the house”
If bats are using your house or building for summer residence, there are ways to coexist that will keep you safe and allow the bats to find a different home. The only sure way to evict bats in a process called exclusion. All potential entrances are sealed except one, and a one-way door is installed and left in place until all the bats are out. Only exclude colonies before pups are born or after they’re flying. Your local wildlife agency, nature center, or wildlife rescue group can give you appropriate exclusion dates for your area. Also, please be aware that some localities are writing new laws to protect bats because they are disappearing so quickly. If you hire a professional, be sure they follow the law, do a thorough inspection, and offer at least a one-year warranty. Anyone suggesting shortcuts like spraying or trapping and relocating does not know bat behavior and may be violating local or federal ordinances.
Wildlife Exclusion Professionals:
If you would like us to refer to you, please contact us with your bat exclusion protocols. If you can show you follow Best Management Practices for bats in the Northeast and Mid-Atlantic, we will be happy to refer to you. Please check out the BMPs listed below for guidance. Please note: we will not recommend excluders who do not follow BMPs, regardless of state regulations.
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