LARID^: Gulls and Terns 



21 



Coastwise W. V . Nov.- 

 April. Common. Abun- 

 dant in spring migration. Im- 

 matures much more numerous 

 along the beach ; adults on the 

 water. Occasionally comes a 

 few miles inland. 



ir 



p< 

 ' Glaucous'winqedGull 



California W.V. Sept.- 

 May Abundant. Chiefly on 

 ocean. Occurs inland on larger 

 bodies of water. Often collects 

 into flocks of hundreds or 

 thousands, resting on the ocean 

 or tide-bays. 



Bonaparte Gull 



Southern California 

 - W V. Oct.-May. 

 Rare. On salt or fresh 

 water. Likely more 

 numerous than sup- 

 posed to be, but iden- 

 tified as one of the 

 Gull band with which 

 it often associates. 



Caspian "Tern 



Excepting the Black Tern, all our species are white-bodied with pearly 

 or gray mantle and black cap, white-streaked or nearly all white in 

 winter. Outer tail feathers in genus Sterna variously lengthened in breed- 

 ing plumage. 



