Jan., 1909. Birds of Illinois and Wisconsin — Cory. 



493 



at Fort Atkinson, August, 1872. Mr. J. N. Clark, of Meridian, Dunn 

 County, took one specimen, February 24, 1893, capturing it in his 

 hands from the side of a straw stack. One specimen (no record) is 

 preserved in the Milwaukee Public Museum." 



179. Glaux acadicus (Gmel.). 



Saw-whet Owl. Acadian Owl. 



Nyctala acadica (Gmel.), A. O. U. Check List, 1895, p. 145. 



Distr.: Throughout North America, breeding from the middle 

 states northward; occurs in mountainous districts in the West as far 

 south as Mexico. 



Adult: Decidedly smaller than Richardson's Owl, which is the 

 only species with which it might be confounded ; top of head, streaked 



Immature. 



Saw-whet Owl 



(not spotted) ; upper plumage, dark cinnamon brown, more or less 

 marked with white, but mostly on the nape and upper back; tail and 

 wings, cinnamon brown, marked with white; legs and feet, plain buff 

 or buffy white, without dark spots or marks. 



Immature birds have the face dusky and a white streak over the 

 eye. 



Length, 7.20 to 8.50; wing, 5.20 to 5.85; tail, about 3. 



This interesting little species is not uncommon in Illinois and 

 Wisconsin. Numerous specimens have been taken in and about 

 Chicago, more commonly in winter. ' While it has occasionally been 

 observed in summer, there are no records of its breeding in Illinois. 



