BIRDS -OF THE BRITISH ISLES. 



357 



tail-coverts, brown ; irides, brown ; bill, deep horn colour ; 

 tip, black ; legs and feet, black. Length, about twenty-one 

 inches. 



Ikittiwafce, 



THE Kittiwake (Larus tridactylus, Linnaeus) is a resident 

 in the British Isles. It is also met with in the Northern 

 Palearctic Region, as well as the North-east Nearctic 

 Region. The adult in nuptial dress has the mantle and 

 wings pale bluish-grey ; head, neck, under parts, and tail, 

 white ; secondaries, with white tips ; outer primaries on 

 terminal portions, black; irides, hazel; bill, greenish-yellow; 

 legs and feet, brownish dusky-green ; hind toe absent at 

 all times. Length, from fifteen to sixteen inches. The 

 female is similar to the male. The young in first plumage 

 have the crown and nape deep grey, and the feathers on 

 the back are margined with brown. 



