Ill 



FIELD BIRDS 



LTHOUGH their power of flight 

 enables birds to move quickly and 

 easily from place to place and, if 

 need be, to travel thousands of 

 miles, many species in their wander- 

 ings are restricted to a certain kind 

 of territory. T|ius, while Horned Larks and Snow 

 Buntings might enter the woods, we should no more 

 expect to find them there than we should daisies or 

 clover. On the other hand, the Ruffed Grouse and 

 Winter Wren are as closely confined to the forests 

 as the partridge berry or moccasin flower. Such 

 birds and flowers are termed specialized; that is, they 

 have become so closely adapted to life under certain 

 special conditions that they can live only where these 

 conditions are present. 



Birds which are not so closely governed in the 

 choice of haunts and food, are spoken of as general- 

 ized in habit. The Crow, for example, is a general- 

 ized bird. He is found in both fields and woods, 

 on the seashore and in the mountains. He usually 



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