THE BIRD SUPPLY 



vides for an increased number of other species of 

 wild life. 



Effect of Forest Devastation. — Only in a compara- 

 tively few cases has bird life suffered from the de- 

 struction of forests. In parts of the Middle West 

 the Woodpeckers have no doubt decreased in num- 



Passenger Pigeons Are Now Extinct 

 [ 127] 



