I didn't even consider that scenario but I can see how that could happen. What kind of bat house is it and where did you put it...on your house or on a tree? Do you think any bats ever took up residence there?
BTW, this subject made me think of the story of Lil Drac, the orphaned bat, so I reposted his story here:
http://livingfaithforum.com/forum/sh...e-orphaned-bat