AREA 501, Santa Maria (cont'd.) 



Castle Rock 3403'17"N, 12026'17"W 



Ashy Storm-Petrel 

 Brandt's Cormorant 

 Pelagic Cormorant 

 Black Oystercatcher 

 Western Gulls 

 Pigeon Guillemot 

 Xantus 1 Murrelet 

 Cassin's Auklet 



Total 



Ashy Storm-Petrel 

 Brandt's Cormorant 

 Brandt's Cormorant 

 Brandt's Cormorant 

 Brandt's Cormorant 

 Pelagic Cormorant 

 Pelagic Cormorant 

 Western Gul 1 

 Pigeon Guillemot 

 Xantus' Murrelet 

 Cassin's Auklet 

 Cassin's Auklet 



X = present, P = probably present 



Investigators are some or all of the following: Hunt, Pitman, Naughton, 

 Winnett, Newman, Kelly, Briggs and Speich. Only the most significant 

 historical data has been summarized here from intensive studies conducted 

 in the Channel Islands, see Hunt et al. 1979 for further information. 



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