BACK COUNTRY BY ROBERT ADAMS 
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 ROBERT ADAMS 
 undreds of tree swallows, which are aerial insectivores, rest  
 on a cattle fence in a light rain. After the rain stops and their  
 wings dry, they will go hunting for flying insects, which is  
 good natural mosquito and fly management. These birds are  
 migratory and some live as far away as Alaska in the summer;  
 Florida, Mexico and Central America in fall and winter. H