204 



BIRDS IN THEIR RELATIONS TO MAN. 



are plentiful, the young- ones form a large share of the food 

 of this species. 



The . old story of how these owls live in harmony with 

 prairie-dogs and rattlesnakes, all in the same burrows, is a 



BURROWING OWL. 

 (After Biological Survey.) 



myth. The owl and the snake are both parasites, the dog, 

 an unwilling host, being forced to yield its home and often its 

 life to its unwelcome guests. 



