122 ANIMAL LIFE UNDER WATER 



Bute : trout (salmo fario) were found in 64 per 

 cent, of the birds, one specimen contained nine 

 trout, from 2% to 4 inches in length, and several 

 fish of 6 inches were taken. 



Of eighteen common gulls shot in the same 

 vicinity 44.6 per .cent, contained trout from 

 5 to 7 inches in length. 



In the Summer Number of Country Life, 

 June 7th, 1919, there is an article "A New 

 Colony of Black-headed Gulls." The photo- 

 graphs which accompany this article are beautiful 

 pictures by Arthur Brook. If Mr. Brook is also 

 the author of the 'text he has exactly hit off the 

 habits of the bird about which there has been so 

 many complaints. These are the words of this 

 ardent bird observer : " When the black-headed 

 gull leaves the pond" (breeding grounds) "it 

 does not at all follow that it wings its way back 

 to its seaside haunts. On the contrary, it takes 

 very readily to the moorland, where the stream 

 provides as much food as the sea itself." Mr. 

 Brook then describes how gulls fish upstream 

 so as to avoid being detected by the wary fish. 

 " The gull, on a beat of a mile or so, comes up 

 as warily and vigilantly as a good angler, and 

 when he reaches the end of his beat departs over 



