392 



PRACTICAL ZOOLOGY 



quently, trees or shrubs that bear berries eaten by birds should 

 be planted (Fig. 264). Among these may be mentioned the 

 mountain ash, sumac, raspberries, elder, Virginia creeper, mul- 

 berry, barberry, cherry, dogwood, and red cedar. 



In winter the permanent residents or winter visitors sometimes 

 have difficulty in finding enough food to keep them warm and 

 will welcome any help from human friends. Grain scattered 



FIG. 265. A bird bath. (Photo, by Hegner.) 



about on the snow will attract tree sparrows, juncos, and others. 

 Pieces of pork rind or of suet tied to a limb of a tree will tempt 

 the appetites of woodpeckers, nuthatches, and chickadees. 



Water is needed by birds both to drink and for bathing, of 

 which they are very fond. This is especially true during the 

 hotter days of summer. If there is a water tap on the lawn, a 

 very good bird bath can be constmcted by making an inden- 

 tation a few inches deep and three feet long and lining this with 

 round stones set in clay (Fig. 265). In such a place as this 

 many different kinds of birds make their toilets on warm summer 

 days. 



