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Contact information
For more information on bats and bat houses, contact:
Heather Kaarakka
Conservation biologist
608-266-2576

Build a bat house

Little brown bats in a bat house

Bat house expert Kent Borcherding builds a bat house. Photo by Dave Redell, Wisconsin DNR.

Bats are important predators of mosquitos and night-flying insects and can reduce these pests around your home and garden. Help keep these valuable mammals in your area by building them their own bat house to roost in and raise their young.

Build it right

Bats are picky tenants. Encourage them to take up residence in your bat house by providing just the right conditions. Learn how to build a house they'll love by reading our building instructions.

Make the bats in your bat house count

If bats are using your bat house, please consider counting the number of bats using it. Sit near the entrance and count them as they emerge. Bats start exiting just after sunset. The Wisconsin Bat Program will use the information you provide to better understand Wisconsin's bats. For more information on how to become a volunteer visit the Wisconsin Bat Program website [exit DNR].

Bat house building videos

Building a bat house is easy! It only takes a few tools and a little time. Watch the videos below as bat house experts explain how.

Last revised: Monday July 31 2017