man i am so bummed.me and my dad spent a whole saturday renovating my old bird box a few weeks ago with a swinging door and a better roof.we hung it on a tree in my yard facing the east it is soo perfect an yet today i found a whole bluebird nest in my paperbox. still no sign of life in my little bird box well keep praying and check out kayla's blog she has some really cool facts about birds and a great website to loock up is sialis.org!