Gulls 



Ring-billed Gull 



Lams delawarensis 



1991-95 = 149 



SI 



wU WW-- 



WU W-- 



---W 



--W--W 



California Gull 



Larus califomicus 



1991-95 = 96 

 SI 



-Ww-w W-- 



-w W-- 



---W 



--WW-W 



Herring Gull 



Z^rM5 argentatus 

 1991-95 = 15 



wW W-- 



WW--W W-- 



51 



