THE GREAT MIGRATION 



37 



faintly caught in the south wind and sun. Then comes the 

 welcome morning when the sedge-warbler's tireless babble 

 is heard again from the screen of russet flags, recalling more 

 memories of the past summer than the notes of almost any 



SNOWFLAKE 



other bird. For the sedge-warbler sings by night as well as 

 by day, far into the dog-days when almost all birds are still, 

 and the nightingale's music seems a dream of bygone spring. 

 It is the most faithful of all the summer singers except the 

 chiffchaff, which it far excels in the variety and surprises of 

 its song. This is an extraordinary medley of sweet and harsh 

 notes, poured forth with no discrimination, but with inex 



