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THE NATIONAL GEOGRAPHIC MAGAZINE 



From a painting by Loui- Agassiz Fuertes 



OF THE SEVEN OWLS ORDINARILY ENCOUNTERED IN THE UNITED STATES, THE ONLY 

 ONE THAT DOES MOKE HARM THAN GOOD IS THE GREAT HORNED 



While most oi 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. 



