JAN., 1909. BIRDS OF ILLINOIS AND WISCONSIN CORY. 



GROUP 3. Wing, n to 13 inches long. 



Back, not heavily barred or mottled with whitish ; first and second 

 primaries, "notched" or emarginate; ear tufts, very small, hardly 

 noticeable. Asio flammeus. 



Short-eared Owl. 

 See No. 175. 



Back, finely mottled with whitish (not heavily barred); head, 

 with ear tufts an inch or more long; first primary only, "notched." 



Asio wilsonianus . 

 American Long-eared Owl. 

 See No. 174. 



General plumage, umber brown, mottled and barred with whitish; 

 belly, streaked dark with brown and whitish; toes, feathered; no 

 ear tufts. Strix varia. 



Barred Owl. 

 See No. 176. 



Barn Owl. 

 About one seventh natural size. 



Under parts, white, or tawny white, with more or less small spots 

 of brown; middle toe nail, with comb-like edge. (This species 

 belongs in Family Aluconidae, the Barn Owls having been separated 

 from the Strigidae. ) Aluco pratincola. 



Barn Owl. 

 See No. 173. 



