12-31 



o 

 a: 



o 



CO 



2: 



I— 

 o 



5000 -j 

 4500 - 

 4000 - 

 3500 - 

 3000 - 

 2500 - 

 2000 



- 



1500 - 



1000 - 



500 - 







JANUARY 

 1972 1973 1974 1975 1976 1977 



00 



Q 

 DC 

 I— * 



O 



Di 



UJ 



CQ 



•a: 

 I— 

 o 



Q 



cc 



CO 



o 

 oc 



LxJ 



GO 



I— 

 o 



4000- 

 3500 - 

 3000 - 

 2500 - 

 2000 - 

 1500- 

 1000- 

 500 - 



5000- 

 4500- 

 4000- 

 3500- 

 3000- 

 2500^ 

 2000- 

 1500- 

 1000 - 

 500 - 



JULY 

 1972 1973 1974 1975 1976 1977 







OCTOBER 

 1972 1973 1974 1975 1976 1977 



Figure 12-10, 



Total number of birds observed in January, July and October 

 for each of the years 1972-1977. New Haven Harbor Ecological 

 Studies Summary Report, 1979. 



