THE LESSER TERN 237 



half the size, and cannot easily be confused with those of any 

 other British bird. When the nesting-place is visited by man 

 the little birds become very anxious and fly hurriedly about, 

 uttering their loud creaking-note at intervals. Only one 

 brood is reared in the season, and almost as soon as the 

 young can fly the great southern journey begins. 



