AREA 477, San Luis Obispo (cont'd.) 



Colony name 



Lot. -Long. 



Pelagic Cormorants 

 /Pelagic Connorants 



/ ' v / * * s\ r i " n " 



Gull Rock" 39 35,'20"N,12135;45"l? 



Number breeding birds 



Investigators 

 Survey date 



Data qua I. 

 see text 



Reference 



40 (Nelson & Sowls, 6/14/79,8, II) 42 

 48 (Osborne, 6/5/69} / x 35 



A = aerial 

 / ?>urvev 



l_ Clear lines give the most recent or the best estimates available. 

 Stipple lines give additional estimates for other years. 



Survey 

 type 



B = boat 



M = from mainland 



L = on site 



Small rocks and mainland north and east of Plaskett Rock 

 35 55'16"N,12128'22"W 



Pelagic Cormorant 

 Black Oystercatcher 

 Western Gull 

 Pigeon Guillemot 

 Total 

 I 



42 

 6 



64 



30 



142 



(Nelson & Sowls, 6/25/79, 8,1) 



(Nelson & Sowls, 6/25/79,8, II) 



(Nelson & Sowls, 6/25/79,8 



(Nelson & Sowls, 6/25/79,6, III) 



42 

 42 

 42 

 42 



36 



Plaskett Rock 3555'14"N,121 28 1 41"W 



Brandt's Cormorant 

 Pelagic Cormorant 

 Black Oystercatcher 

 Western Gull 

 Pigeon Guillemot 



Total 



Brandt's Cormorant 

 Srawt-t ' s Cormorant 

 Hgeon Guillemot 



42 

 42 

 42 

 42 

 42 



36 

 42 

 36 



238 



