i8(; 



KEY TO THE BIRDS OF EASTERN NORTH AMERICA. 



Group 5. Wing, over 15 inches long. 



Bill, 1)lack; jjeneral i)luinage, tawny black and white; lioni-like tufts of 

 feathers over the eyes. 



Great Horned Owl. 



Bubo virginianux^ and races. 

 See No. 309. 



Bill, black; general plumage, white, usually more or less marked witii slate 

 brown, or dark brown ; uo horu-like tufts of feathers over the eyes. 



Snowy Owl. 

 Nijclca nijctea. 

 See No. 312. 



Bill, yellowish ; no horn-like tufts of feathers over eyes ; general plumage, gray 

 mixed with white and dark brown. 



Great Gray Owl. 



Scotia2)tex cinerea. 

 See No. 304. 









Great Gray Owl. 



Great HorneU Owl. 



