10 
TABLE 3* 
Diurnal abundance of species within the 
Southern Grid, 
6-11 April 1966# 
No. 
Birds/ 
Number 
Status over 
Species 
Birds 
Linear Mile 
Collected 
last month 
Wedge-tailed Shearwater 
69 
0.140 
7 
+ 
Sooty/Slender-billed Shearwater 
32 
0.064 
Christmas Island Shearwater 
3 
0.006 
+ 
Audubon’s Shearwater 
1 
0.002 
0 
Juan Fernandez Petrel 
1 
0.002 
0 
Phoenix Island/Tahitian Petrel 
4 
0.008 
+ 
Black-winged Petrel 
1 
0.002 
+ 
Cook’s Petrel 
4 
0.008 
2 
+ 
Mottled Petrel 
9 
0.018 
Bulwer’s Petrel 
40 
0.081 
1 
- 
Shearwater-petrel 
27 
0.054 
+ 
Leach’s Storm Petrel 
22 
0.038 
22 
- 
White-rumped storm petrels 
173 
0.356 
+ 
Red-tailed Tropicbird 
2 
0.004 
1 
- 
Blue-faced Booby 
106 
0.214 
1 
+ 
Brown Booby 
9 
0.018 
1 
Red-footed Booby 
27 
0.054 
8 
+ 
Greater Frigatebird 
11 
0.022 
2 
+ 
Lesser Frigatebird 
33 
0.066 
2 
4 - 
Frigatebird species 
159 
0.322 
+ 
Ruddy Turnstone 
2 
0.004 
0 
Jaeger species 
2 
0.004 
+ 
Skua 
1 
0.002 
Sooty Tern 
3290 
6.660 
86 
+ 
Gray-backed Tern 
1 
0.002 
0 
Common Noddy 
5 
0.010 
1 
+ 
White-capped (Hawaiian) Noddy 
4 
0.008 
+ 
Blue-gray Noddy 
2 
0.004 
0 
White (Fairy) Tern 
10 
0.020 
4 - 
Miscellaneous unidentified 
12 
0.024 
+ 
+ 
TOTALS 
4062 
8.222 
