THE TRAVELS OF BIRDS 



ledges. But in the East, where it is much less 

 common, it places its close-set rows of mud tene- 

 ments beneath the eaves of barns and other out- 



THE TRAVELS OF THE MOURNING WARBLER. 



Like the Cliff Swallow some Mourning Warblers travel from 

 their summer home in Nova Scotia to their winter home in 

 Northern South America through Texas, Mexico and Central 

 America, instead of through Florida and the West Indies, a 

 route 2,000 miles shorter. Dotted area summer home. Black 

 area winter home. Arrows migration route. 



buildings. So it is probable that Cliff Swallows, 



or, as they are also called, Eave Swallows, have 



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