Coveside Sparrow-Resistant Eastern Bluebird House

Attract beautiful, musical bluebirds to your yard while dissuading sparrow invaders with this  Coveside Sparrow-Resistant Eastern Bluebird House.  The innovative design of this nest box  effectively deters sparrows from roosting, while providing bluebirds a great housing option.  Research from the University of Kentucky found that bluebirds will readily use a slot entry, while sparrows prefer a round hole.  The 4" long and 1.25" high, rectangular entry on this shelter perfectly meets these needs, and a generous, overhanging roof protects the interior from precipitation.  Place the included, 1.5" thick, pine block at the base of the home to decrease its depth, as this same research indicates that bluebirds will still roost, while sparrows prefer a deeper nest.  The open corners below the roof keep this home ventilated and aid in regulating its internal temperature, bolstered by the 0.75" thick, all pine construction.  Pull the front panel of this home upward for nest checks and to add t