VOICES OF THE NIGHT 
persistent caroller that has often been mis- 
taken for the nightingale. The difference in 
this respect between the two subjects of these 
remarks is that the nightjar is invariably 
silent all through the day, whereas the 
nightingale sings joyously at all hours. It is 
only because his splendid music is more 
marked in the comparative silence of the 
night, with little or no competition, that his 
daylight concert is often overlooked. 
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