Table 7 (cont) Bird Density (birds/linear mile) by Concentric Circles in 
the Southern Grid 15-24 September 1966. 
Species and/or Species Group 
0-30 
30-60 
60-110 
110 
Total 
Wedge-tailed Shearwater 
.005 
.008 
.003 
.0 
.005 
Sooty/ Slender-bill Shearwater 
47.49 
18.75 
17.17 
4.85 
25.3 
Other Shearwaters 
.0 
.0 • 
.006 
.0 
.002 
Subtotal 
47.495 
18.758 
17.179 
4.85 
25.307 
Pterodroma externa 
.0 
.008 
.006 
.0 
.004 
Pterodroma hyuoleuca 
.009 
.021 
.023 
.05 
.019 
Other identified Pterodroma 
.005 
.008 
.006 
.0 
.006 
Unidentified Pterodroma 
.009 
.034 
.023 
.0 
.022 
Bulwer f s Petrel 
.009 
.0 
.0 
.0 
.002 
Shearwater-Petrel 
.045 
.008 
.034 
.05 
.03 
Subtotal 
.077 
.079 
• .092 
.1 
.072 
Storm Petrels 
.01 
.161 
.134 
.150 
.133 
Total Procellariiformes 
47.65 
19.01 
17.41 
5.10 
25.64 
Fed-tailed Tropicbird 
.036 
.016 
.011 
.0 
.012 
White-tailed Tropicbird 
.005 
.004 
.0 
.05 
.004 
Total Tropicbird 
.041 
.02 
.011 
.05 
.016 
Blue-faced Booby 
1.58 
.161 
.014 
.0 
.476 
Brown Booby 
.063 
.004 
.0 
.0 
.018 
Fed-footed Booby 
.126 
.008 
.003 
.0 
.037 
Total Booby 
1.769 
.17J 
.017 
.0 
.53 
Great Frigatebird 
.005 
.0 
.0 
.0 
.001 
Lesser Prigatebird 
.923 
.03' 
.02 
.0 
.263 
Unidentified Frigatebirds 
1.13 
.059 
.054 
.1 
.344 
Total Frigatebirds 
2.058 
.089 
.074 
.1 
.608 
Shorebirds 
.014 
.008 
.003 
.0 
.007 
Sooty Tern 
16.67 
2.26 
2.63 
1.5 
6.233 
Other identified terns 
.249 
.004 
.026 
.0 
.078 
Unidentified Terns 
.0 
.008 
.006 
.0 
.005 
Total Terns 
16.919 
2.27 
2.662 
1.5 
6.316 
Jaeger 
.0 
.004 
.0 
.0 
.001 
Bird species? 
.005 
.004 
.006 
.0 
..005 
Grand Total- 
68.444 
21.58 
20.18 
6.8 
33.14 
