BIRDS OF THE BRITISH ISLES. 371 



3celanfc (Bull 



THE Iceland Gull (Larus leucopterus, Faber) is a rare 

 straggling autumn and winter migrant to the British Isles, 

 and is found inhabiting the Northern Nearctic Region. 

 The adult in summer has the mantle and wing-coverts pale 

 grey; remainder of plumage, white; irides, light yellow; 

 bill, yellow, red at the angle beneath ; legs and feet, pinkish 

 flesh tint. Length, about twenty-two inches. The adult in 

 winter has the head and neck streaked with grey. The 

 young have the upper plumage creamy-white, more or less 

 varied with light brown markings. 



