Owls 



375. Great Horned Owl (Bubo virgimaiius) . (^, 



L. 22; W. 15' '^tis. Ears conspicuous; the feathers 

 nearly throughout the body rusty basally; facial disc 

 rich rusty. Notes. A loud, low, deep-toned wkoo, hoo- 

 hoo-hoo, wkooo-whooo, variable, but usually on the same 

 note; rarely a hair-raistng scream. 



Rmigti. — 'Eii^lej'Li Noj Ih Aiui^rjca; uoi Lli to Labratjur^ ^outli to Central 

 America; lesldent. 



375a. Western Horned Owl {B. v. paliescdns). 

 Smaller and paler than No. 375t W. 13.7; facial disc 

 washed with rusty. 



Ranee.— Western Unites States, except Pacific coast reg'lon. east 

 lo Great plains; casually Vi'isconsin an4 Illinois Iiorth 10 Manitoba 

 and British Columbia; south to Mexico. 



375b. Arctic Horned Owl {R. n. arcticu'^). Black 

 and white prevailing above; bases of feathers !i§ht 

 yellowish buff; below black and wliiLe with 

 little or no buffy, facial disc gray. 



Range. — Interior of Arctic America, from Rocliy Mountains cast to 

 Hudson Bay; breeds north of Lai. 51= ; In winter Etragglcs south 

 ward to adjacent border of United States; rarely to V/yomlng and 

 Nebraslca. 



375c. Dusky Horned Owl (8. v. saturaius). Size 

 of No. j';5b, but much ddiker; black bars below equal- 

 ling white ones in width; darkest bird ot group. 



Range.— "Pacific const reeton from Monterey Bay. California, 

 north to AlaElta; east to Hudson Bay and Labrador." (A. O, IJ.) 



375d. Pacific Horned Owl {B.v. pactficus). Some- 

 what smaller tiujn No. 375b, W. 13.5; more like No. 

 375 in color but less rusty. 



Range.— California, except humid coast region; east to Arizona. 



375e. Dwarf Horned Owl CB. o. dachisius). Sim- 

 ilar to No. 375c, but very much smaller. W. c?> 12-8; 

 9, 13-4- (Brewster.) 



Range. — Lower California. 



376. Snowy Owl (Nyctea nyctea) . L. 25. ^d. cf. 



White more or less barred with blackish. Ad. S. Sim- 

 ilar, but more heavily barred. 



Range. — Northern parts of northern hemisphera; in America breeds 

 iroa\ Lat. 50° northward; winters south to northern United States; 

 straggles as far a* Texas and California. 



377a. American Hawk Owl [Surnia ulula caparoek) . 

 L. i5i T. 7.2 long and rounded. Ads. Above 

 brownish black, crown thickly spotted, scapulars con- 

 spicuously margined with white; chin blackish; belly 

 barred. NoUs, A shrill cry generally uttered while 

 flying. (Fisher.) 



Range. — Northern North America; breeds from Newfoundland and 

 norrni^in Montana nonhward; winters south to northern United 

 SutM, rarely to New Jersey, Pennsylvania, and Illinois; rare on 

 P&clfic coast, 



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