Owls. 



372. Saw-whet Owl; Acadian Owl (Nyctala acadica) . 

 L. 8. Ads. Above cinnamon brown; forehead with 

 many, hindhead with few streaks; back with white 

 spots; feet and legs less heavily feathered than in No. 

 371 and without dusky bars. Yng. Breast and back 

 cinnamon brown with few white markings; belly rusty 

 buff,unstreaked. Notes. A frequently repeated whistle; 

 sometimes high, sometimes low; generally begins slow 

 and ends rapidly; resembles noise of saw-filing. 

 (Ralph.) 



Range.— North America; breeds from mountains of Pennsylvania. 

 Massachusetts (rarely) , northern New York, northern Illinois; and, in 

 Rocky Mountains, from Mexico northward; winters south to Virginia, 

 Kansas and central California. 



372a. Northwest Saw-whet Owl (N. a. scotoea). 

 Similar to No. 372, but darker both above and below, 

 dark markings everywhere heavier; flanks, legs and 

 feet more rufescent. (Osgood.) 



Range.— Queen Charlotte Islands, British Columbia. 



379. Pygmy Owl {Glaucidium gnoma). L. 7. 

 Top of head spotted. Ads. Above grayish brown; 

 spots whitish. Yng. No spots on head. Notes. A soft 

 cooing coohuhj coohuh, repeated a number of times. 

 (Bendire.) 



Range.— "Timbered regions of western North America, from south- 

 ern Rocky Mountains in Colorado, New Mexico, and Arizona," west to 

 California, Oregon, and Washington, except coast belt, south into 

 Mexico. 



379a. California Pygmy Owl (G. g. calif or nicum) . 

 Similar to No. 379, but darker; spots above buff or 

 rusty. 



Range. — Humid coast region from Monterey, California, north to 

 British Columbia. 



379.1. H oski n Pyg my Owl ( Glaucidium hoskinsii ) . 



Similar to No. 379a, but smaller and grayer, the fore- 

 head and facial disc with more white, the upperparts 

 less distinctly spotted. (Brewst.) 



Range. — Southern Lower California. 



380. Ferruginous Pygmy Owl (Glaucidium phalce- 

 uoides). L. 7. Top of head streaked. Ads. Above 

 varying from grayish brown marked with whitish to 

 plain reddish brown without marks; below white 

 streaked with grayish brown or reddish brown. Yng. 

 No streaks on head. Notes. A softly whistled coo re- 

 peated many times at intervals of about one second. 



Range.— Tropical America; from Brazil north to Mexican border of 

 United States. 



38 1. Elf Owl (Micropallas whitneyi). L. 6. Small- 

 est of our Owls. Ads. Above grayish brown, head 

 spotted; back barred with rusty; below mixed rusty, 

 white and grayish. Notes. A "tremulous cha-cha, cha- 

 cha, in different keys, sometimes low, sometimes dis- 

 tinct. (Bendire.) 



Range.— Tableland of Mexico from Puebla north to Mexican border 

 of United States; Lower California, and (rarely) California. 



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