The house has been rented...

I knew someone was using , or had used the box because I had cleaned it out in spring  and there were twigs visible in the opening. I had not seen anyone going in or out till today when this little wren popped it's head out of the opening.It was very quiet for a wren , probably another sign it's nesting. Normally they are one of the noisiest  birds  for their size. Feisty little things too.!