Swallow bird houses – Swallows are over North America and northern Europe. They are welcome back yard visitors; they consume large amounts of mosquitoes and other insect pests. Swallows build their nests in protected areas such as barns, garages or porches; however, they can quickly become a nuisance, they are defensive of their young and will bomb those who get too close. To encourage these helpful birds living near your home, choose an out-of-the-way place and construct a nesting platform where swallows can raise their kids without coming into conflict with human inhabitants. How to build swallow bird houses; select a location for nesting platform….