Northern Prairie Wildlife Research Center

A. The Peterson house has seven parts and is assembled in this order:

B. The inner roof is toe-nailed to the back.

C. Then the floor is toe-nailed to the back.

D. Third, one side is nailed to the resulting frame.

E. Then the other side is nailed to the frame.

F. Next, the swing-down front is fastened by a nail into each side. A third nail is pounded part way into the side near the entrance hole. This is removed each time the house is a checked.

G. Finally, the outer roof is nailed on top.

Editor's Note: -- Good sanitation and maintenance of the nest box at the end of the breeding season are your best defenses against ectoparasites and other insects. To repel blowflies, wasps and ants during the breeding season, some researchers recommend using a pyrethrin insecticide as the safest pesticide.