200 Wild Bird Guests 



writer's belief that if Berlepsch nest boxes are 

 made available for American birds they will 

 eventually be occupied by practically all species 

 which naturally nest in holes in trees. As von 

 Berlepsch himself has proved by repeated ex- 

 periment, when properly made these nest boxes 

 are the best in the world. But he warns bird 

 lovers to beware of unscrupulous dealers, who, 

 ignorant of the real requirements of birds, make 

 boxes which on the outside only, resemble the 

 properly-made ones. These fail to attract the 

 birds, of course, and the result is disappointment 

 and discouragement to the bird lover. 



A very common cause of failure with nest 

 boxes is lack of knowledge of when, how, and 

 where to hang them. The following rules are 

 intended to enable the reader to avoid failure 

 from this cause. They were written with special 

 reference to Berlepsch nest boxes, but apply 

 equally well to any other type of nest box with 

 which it is hoped to attract American birds. 



Time of Year 



Nest boxes may be put up at any time of the 

 year, and the sooner they are put up the better. 

 Of course, if they are put up so late in the spring 

 that the birds have already selected other sites 



