1c 1* Sumary of Observations 
Data 
No. Birds 
No. Spocios No. Flocks No. Miles No. Minutes 
21 October 
201 
14 
108 
709 
Table 2. Diurnal Abundance of Species within the Grid 
Species 
No, 
Birds 
Birds/linear mile 
VJodge-tailed Shearwater 
42 
.388 
Sooty Shearwater 
10 
.092 
Slender-billed Shearwater 
1 
.009 
Sooty or Slender-billed Shearwater 4 
i 
.03? 
Pterodroma Externa 
21 
.194 
Juan Fernandes Petrel 
29 
.269 
Keraadec Petrel 
1 
.009 
Mottled Petrel 
9 
. 
.083 
Black-winged Petrel 
29 
.269 
Unidentified Eterodroma 
6 
i 
.0 55 
Eulwer*s Petrel 
1 
.009 
Unidentified Shearwater-Petrels 2 
.017 
White-runped Storm'Petrel 
1 
.009 
White-tailed Tropicbird 
1 
,009 
Red-footod Booby 
1 
.009 
Frigatebird sp. 
9 
.017 
Golden Plover 
11 
.102 
Sooty Tern 
30 
.2^8 
TOTAL 
201 
1.861 
Table 3* Diurnal Abundance 
of Species-Groups within the 
Grid 
Species-Group 
No. Birds 
Birds/sq. mile 
Estimated Population 
Shearwater-Petrel 
155 
»?2 
36,000 
Storm Petrol 
l 
.009 
450 
Tropicbird 
1 
.005 
250 
Booby 
l 
.005 
250 
Frigatebird 
2 
.005 
250 
Shorebird 
11 
.051 
2550 
Tern 
30 
.093 
4650 
TOTAL 
201 
.888 
Vi-,400 
