showed heavy traffic similar to that of dabbling species down the 

 Great Plains and relatively heavily used corridors from these central 

 arteries eastward across the Great Lakes area to the Atlantic coast, 

 terminating particularly in the vicinity of Chesapeake Bay. A fairly 

 well-used corridor extends along the Atlantic coast. 



Breeding Range 

 Winter Range 

 Lightly Traveled Routes 

 Heavily Traveled Routes 



Figure 14- Distribution and migration of Harris' sparrow. This is an example of a 

 narrow migration route through the interior of the country. 



64 



