36 



OUR NATIVE BIRDS 



prevailing rain storms. On buildings, the east side 

 is the most desirable, but the north side will also do, 

 if protected by an overhanging roof. The south and 



west sides are likely to 

 be too hot unless they 

 are shaded. No box 

 will be occupied that 

 is readily accessible to 

 cats. 



Special Directions. 

 Measurements are given 

 in inches unless other- 

 wise stated. 



1. Titmice, Chicka- 

 dees, and Wrens. In- 

 side measurement of box 

 about 7x5x5, place 

 it against out-buildings 

 or on trunks and limbs 

 of trees from 6 to 12 

 feet high. Size of en- 

 trance about 1^ inches 



in the middle of the board, a little widened both toward 

 the inside and the outside. Nail a little last | an inch 

 below the entrance. If the hole is too large the English 

 sparrows will move in, if too small you are likely to have 

 wasps or bees as your renters. The birds referred to 

 will not nest near the gathering places of English spar- 

 rows. I have observed the house wren build in a box 

 that had the entrance in one of the lower corners with 



FIG. 6. TREE TRUNK WITH BARB 

 WIRE COILS. 



