FIGURES 

 Title 



1 Nesting densities of waterbirds in nine northeastern States 

 relative to wetland area 



2 Location of major nesting colonies in southern Maine and 



New Hampshire, 1977 



3 Location of major nesting colonies in Massachusetts, 1977 . . . 



4 Location of major nesting colonies in Rhode Island, 1977. . . . 



5 Location of major nesting colonies in Connecticut, 1977 . . , . 



6 Location of major nesting colonies in Long Island, 



New York, 1977 



7 Location of major nesting colonies in New Jersey, 1977 



8 Location of major nesting colonies in Delaware, 1977 



9 Location of major nesting colonies in Maryland, 1977 



10 Location of major nesting colonies in Virginia, 1977 



11 Aerial estimation of adults vs. nest counts at nine Maine 



gull colonies, 31 May 1977 



12 Aerial estimation of adults vs. nest counts at 11 Massachusetts 

 colonies, 1 and 6 June 1977 



13 Aerial photograph of great blue heron colony at Poplar Island, 

 Chesapeake Bay, Maryland, 22 June 1977 



14 Aerial photograph of double-crested cormorant colony at rock 

 south of Cat Island, Marblehead, Massachusetts, 24 June 1977. . 



15 Nesting chronology of the double-crested cormorant 



16 Nesting chronology of the great black-backed gull 



17 Nesting chronology of the herring gull 



18 Nesting chronology of the laughing gull 



19 Nesting chronology of the gull-billed tern 



Pacje 

 16 



20 

 21 

 22 

 23 



24 



25 

 26 

 27 

 28 



45 



46 



51 



52 

 85 

 87 

 88 

 89 

 90 



XT 1 



