828 BIRDS OF ILLINOIS. 



available for the purpose. From an almost equal familiaritj- with 

 the two birds, we are able to say that their notes diflfer decidedly, 

 especially those of the male during the breecUug season, the "song" 

 of the WLsturn bird being very much louder and more musical, or 

 metallic, than tlint of its eastern relative. 



