GULLS. 91 



with other gulls in bays and sounds. Flight, 

 exceedingly graceful, easy, and tern-like and 

 this distinguishes it from the Herring Gull 

 when seen at a distance. Common cry in the 

 breeding season; Kitti-wake wake wake wak- 

 er. 



Breeds from the Gulf of St. Lawrence 

 northward in June, migrating southward in 

 Oct.; winters from off the coast of New Eng- 

 land south to the Middle States, casually al- 

 most to the Bahamas. 



Nests, usually placed on rock shelves of 

 perpendicular cliffs overhanging the ocean. 

 They are small for the size of the birds, and 

 are made of sea-weed. 



Coast Gulls. 



Gulls of this group are of somewhat va- 

 riable size. Adults are white beneath* and if 

 not white above, then the mantle is bluish 

 of some shade. If the wing is not entirely 

 white, the dark tips of the primaries have 

 white spots in them called mirrors; tail, short 

 and square. Young are at first brownish and 



