SOUTHERN GRID SURVEY NO. 10 
Corrected table 
Table 7 (cont) Bird Density(birds/linear mile ) by Concentric Circles in the 
Southern Grid 15-24 September 1966* 
Species and/or Species Group 
0-20 
30-60 
60-110 
no 
Total 
Wedge-tailed Shearwater 
.004 
.008 
r'N 
0 
0 
• 
.0 
.005 
Sooty/Slender-billed Shearwater 
44.166 
17.713 
19.no 
4.85 
25.300 
Other Shearwaters 
.000 
.000 
.006 
.00 
.002 
Subtotal 
44.170 
17.721 
19.119 
4.85 
25.307 
Pterodroma externa 
.000 
.008 
.006 
.00 
.004 
Pterodroma hypoleuca 
.008 
.019 
.025 
.05 
.019 
Other identified Pterodroma 
.004 
.008 
.006 
.00 
.006 
Unidentified Pterodroma 
.008 
.031 
.025 
.00 
.022 
Bulwer*s Petrel 
.008 
.000 
.000 
.00 
.002 
Shearwater-Petrel 
.041 
.008 
.038 
.05 
.030 
Subtotal 
.069 
.074 
.100 
.10 
.072 
Storm Petrels 
.091 
.151 
.118 
.15 
.133 
TOTAL PROCELLARIIFORMES 
44.330 
17.946 
19.337 
5.10 
25.640 
Red-tailed Tropicbird 
.033 
.016 
.013 
.00 
.012 
White-tailed tropicbird 
.004 
.004 
.000 
.05 
.004 
TOTAL TROPICBIRDS 
.037 
.020 
.013 
.05 
.016 
Blue-faced Booby 
1.440 
.151 
.016 
.00 
.476 
Brown Booby 
.058 
.004 
.000 
.00 
.018 
Red-footed Booby 
.115 
.008 
.003 
.00 
.037 
TOTAL BOOB! 
1.613 
.163 
.019 
.00 
.530 
Great Frigatebird 
.004 
.000 
.000 
.00 
.001 
Lesser Frigatebird 
.839 
.027 
.022 
.00 
.263 
Unidentified Frigatebird 
1.029 
.056 
.061 
.10 
' ihh . 
TOTAL FRIGATEBIRD 
1*872 
.083 
.083 
.10 
• 608 
Shorebirds 
.012 
.008 
.003 
.00 
.007 
Sooty Tern 
15.161 
2.135 
2.929 
1.50 
6.233 
Other identified Terns ? 
.143 
.004 
.028 
.00 
.078 
Unidentified Terns 
.000 
.008 
.006 
.00 
.005 
TOTAL TERNS 
15.304 
2.147 
2.963 
1.50 
6.316 
Jaeger 
.000 
.004 
.000 
.00 
.001 
Bird Species? 
.004 
.004 
.00 6 
.00 
.005 
GRAND TOTAL 
63.172 
18.375 
22.424 
6.80 
33.1^ 
