12-6 



WATERFOWL 



72 



8- 



UJ 



n 6- 



00 



c 



UJ 

 GO 



2- 



73 74 75 76 77 

 YEAR 



GULLS 



72 73 74 75 76 77 

 YEAR 



72 



73 



74 75 

 YEAR 



76 



77 



Figure 12-2. 



Number of species of waterfowl, gulls and shorebirds 

 observed, 1972-1977. New Haven Harbor 

 Ecological Studies Summary Report, 1979. 



