136 Birds of Oregon and WasJiington 



This Flycatcher is probably not to be found in every 

 locality alike in this section, but is abundant in some 

 parts. 



This is the western variety of the Alder Fly- 

 catcher of the East. It will be difficult for 

 many of us to distinguish him. In order to 

 make the way as easy as possible, I give Ridg- 

 way's more technical 



Particular Description. — " Above, olive, usually 

 decidedly grayer on head ; wing-bands, varying from 

 dull, brownish-gray to nearly white ; lower parts, white, 

 tinged, more or less, with sulphur-yellow underneath, and 

 shaded with olive-grayish on sides of breast ; under wing- 

 coverts, very pale buffy-yellow." 



Summer resident. 



THE WESTERN FLYCATCHER. 



This member of the family is on the average 

 a little smaller than the Traill's Flycatcher, and 

 is found most frequently and abundantly near 

 streams and in cations. 



Ridgway says that it nests in clefts of old 

 logs or stumps and that its nests are made of 

 moss and are bulky. Keeler says, "nests on 

 mossy bank by stream," but Mr. H. J. Leland, 



