http://www.spoiledbirds.com/martinbi...

Martin Bird House Plans are some of the most difficult plans to build. Why? Since Martin Birds are social they like to nest together. This particular bird house allows for 8 bird families to nest.

The materials that you will need in order to build this bird house from these martin bird house plans are all basic tools. Make sure that you have a 2 1/4 diameter drill bit in order to drill the entrance holes.