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THE NATIONAL GEOGRAPHIC MAGAZINE 



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SNOWY OWL 



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From a painting by Ivouis Agassiz Ftiertes 

 OP THE SEVEN OWLS ORDINARILY ENCOUNTERED IN Tl-IE UNITED STATES, THE ONLY 

 ONE THAT DOES MORE HARM TITAN GOOD IS THE GREAT HORNED 



While most of the others occasionally kill a bird, they are, as a family, decidedly helpful 

 to man, -killing vast quantities of mice, rats, gophers, and squirrels. They see by day just as 

 well as other birds. 



