This fact sheet discusses bat biology, how to handle a single bat flying into a house or a bat colony in a house, bat-proofing techniques, legal status, and public health concerns. It includes information on making bat boxes and sources for more information.

This publication describes the important role that bats play in our environment and explains what to do if you find yourself sharing living quarters with them. It also discusses the reality behind the most commonly held misconceptions surrounding these beneficial mammals. It includes information on bat-proofing materials and bat box construction plans.

WNS refers to a white fungus on the muzzles and wing membranes of affected bats that typically die during hibernation.