We have bats in Alaska too! I was quietly working on the computer in my den when something swooped out of the closet, nearly hit me in the head, then flew out into the hallway. I was extremely startled and yelled like my wife has never heard (she was in bed). I followed it to the living room and it was flying back and forth. I had to actually approach its pattern to open the deck door, and this was the worst. Finally it went out the door: glad I didn't have to hurt it so it could continue to eat mosquitoes that are so plentiful here. I think it must have come in an open window at dusk and perched in the dark closet.
