S28 Colorado College PuBLicAtioW 



first, 1912. Several were seen about Monument Valley Park 

 May 26 and 27, 1913 ; this was of course just after their arrival 

 in the spring. 



Myiochanes richardsoni richardsoni. Western Wood Pee- 

 wee. 



Summer resident; common. Arrives about May 20, 

 departs the last of September. 



Found practically all over the County wherever trees can 

 be found, whether on the plains or in the mountains. It was 

 common on the Divide north of Peyton July 17, 1897, 15 being 

 seen then. Aiken noted them singing as late as August 25, 

 the song being aee-a, uttered in an explosive manner. 



Empidonax difficilis difBcilis. Western Flycatcher. 



Summer resident; not common. 



Most common in the mountains, and it is rarely found 

 along the Fountain during the spring migration. Its habits 

 are similar to those of other flycatchers of the genus. Noted 

 on the Divide north of Peyton, August 28, 1907. 



Empidonax trailli trailli. Traill's Flycatcher. 



Summer resident ; common. Arrives about May 25. 



Common almost everywhere in the County, up to nearly 

 9,000 feet. Seems to prefer the neighborhood of the alders 

 along the creeks. 



Empidonax minimus. Least Flycatcher. 



.Rare migrant ; arrives in May. 



This widely distributed Eastern species reaches the west- 

 ern limit of it range at the eastern base of the Rocky moun- 

 tains. It was first taken in Colorado by Aiken on Turkey 

 Creek, May, 1873, and in recent years he has found it several 

 times along Fountain Creek between the towns of Fountain 



