southward in the fall, their path of migration becomes more and 

 more constricted, until, at the time they leave the United States, all 

 are included in the 600-mile belt from eastern Texas to the Florida 

 peninsula. The boundaries continue to converge through Honduras 

 and Costa Rica where they are not more than 100 miles apart. The 

 species winters in the heavily forested areas of northwestern South 

 America including parts of Colombia, Ecuador, and Peru. 



The rose-breasted grosbeak also leaves the United States through 

 the 600-mile stretch from eastern Texas to Apalachicola Bay, but 



16. Distribution and migration of the rose-breasted grosbeak. Though the width 

 of the breeding range is about 2,500 miles, the migratory lines converge until the 

 boundaries are only about 1,000 miles apart when the birds leave the United States. 



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