The Birds of El Paso County, Colorado 477 



have been examined were immature birds. Aiken has had a 

 good number brought to him during recent years. Three 

 were killed on Prospect Lake, Colorado Springs, in November, 

 1898. There is a mounted specimen in the Aiken Collection, 

 Colorado College Museum, which was sent in the flesh from 

 Monument, May 11, 1901, and presumably killed near that 

 place. 



Lanis delawarensis. Ring-billed Gull. 



A common migrant, usually appearing in April. It has 

 been taken from March 10 to May 16 in spring, and from 

 September 7 to November 6 in autumn. There are three 

 specimens in the Aiken Collection, two taken near Colorado 

 Springs, the other labeled as from El Paso County. C. E. 

 Eldredge brought one to Aiken, January 2, 1890, recently 

 taken at his ranch in Chico Basin. An unusual date. 



Larus Philadelphia. Bonaparte's Gull. 



Rare ; but few have been taken in the County. 



Sterna forsteri. Forster's Tern. 



Rare. "Taken at intervals, according to Mr. Aiken." 

 Allen and Brewster. The preceding note, published in 1883, 

 holds good today. We have no recent records for the County. 



Hydrochelidon nigra surlnamensis. Black Tern. 



A not uncommon migrant. Aiken saw two at a reservoir 



near Skinner's, southeast of Colorado Springs, July 30, 1907, 

 and there is a mounted specimen in the Aiken Collection taken 

 at Fountain, August 7, 1908. 



Phalacrocorax auritus auritus. Double-crested Cormorant. 



Rare. Has been taken occasionally near Colorado Springs 

 in migration. One was shot near Fountain, October 21, 1901, 

 by George Wright. 



Pelecanus erythrorhynchos. White Pelican. 



A not uncommon migrant, spring dates range from April 



