429 

 San Francisco 



The map on the facing page is an index to the locations of colonies within map 545, San 

 Francisco. Note that all colonies on the map are not numbered consecutively from north to 

 south, since many previously unreported colonies have been added since initial colony 

 numbers were assigned by Varoujean (1979). On the pages following this map, all colonies 

 are listed sequentially and a detailed map of each is provided. 



Numbers of breeding seabirds will vary from year to year. Below are the approximate 

 numbers of breeding seabirds within this region. Most of these birds are at the Farallon 

 Islands (429 01 2). 



Leach's Storm-Petrel 1,400 



Ashy Storm-Petrel 4,000 



Brandt's Cormorant 31,000 



Double-crested Cormorant 2,000* 



Pelagic Cormorant 4,000 



Black Oystercatcher 100 



Western Gull 34,000 



Common Murre 100,000 



Pigeon Guillemot 4,500 



Marbled Murrelet X 



Cassin's Auklet 105,000 



Rhinoceros Auklet 100 



Tufted Puffin .... 100 



* coastal population only. 



X = present 



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