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- i45- 

 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. 



Adult. 



(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. 



