190 CITIZEN BIRD 



Nest made of a few leaves or straws, in a bird-box when it is 

 provided — otherwise in a hollow tree. Eggs white, without any 

 spots. 



A good Summer Citizen and a favorite everywhere ; but for 



1. Mule. 2. Female. 



Purple Martin. 



many reasons it is growing scarcer every year. The English Spar- 

 row is one of its greatest enemies, and not only drives it from its 

 nesting-boxes, but attacks the young birds. 

 A member of the guild of Sky Sweepers. 



