MFF: Unusual Birdhouse ATC

I like the idea of unusual birdhouses...I've seen some adorable man-made "birdhouses" that are made of teapots and other household items. Let's make an ATC that shows a bird or birds in an unusual type of birdhouse...one that isn't created by the birds. You may certainly choose a "regular" man-made birdhouse that is quirky or eccentric in some way, or (even better) an object (such as the swap graphic shows) that a bird has chosen to use as a nest. Have fun with this swap theme!