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Bird- Lore 



at the waterside. This was repeated over and over again, and sometimes 

 the old birds, losing patience, would actually knock the youngsters from 

 their perches by force, and then call them up to some other nearby tree. 

 They even went so far as to make a few pits on an oak at a point near a 

 dead stub of a limb. The young birds would try the sap, which appeared 

 unpalatable, and the old birds would attempt to interest them in the insects in 

 the dead stub. The adults labored persistently at the weaning, but with little 



FIG. 2. GRAY BIRCHES KILLED BY SAPSUCKERS. 



