THE BIRDS OF A NORTHERN LOCH 67 



up and leave if they hear even a slight 

 click, but they are not afraid of the 

 smooth muffled noise made by the 

 bioscope. 



The same day that these Hooded 

 Crows took the Goslings, we saw another 

 remarkable incident which proves how 

 desperate these robber birds are. There 

 were three Crows harassing the Gulls. 

 They made many attempts to get the 

 eggs, but all the time the Gulls were 

 trying to drive them away. One Gull, a 

 Herring Gull, sat tight on its nest ; the 

 robbers endeavoured hard to get her 

 eggs, but each time they came near her 

 she pecked at them with her big beak. 

 However, the Crows were determined to 

 get a meal, and two of the birds attacked 

 the Gull, one each side, and they caught 

 hold of her wings and actually pulled 

 her from the nest ! Holding her wings 

 so that she could not fly, making her 

 practically helpless, the two birds dragged 



