TABLE 2# Diurnal density of species groups (Southern Grid) 5-11 February 
Species Group 
No* Birds 
Birds/sq. mi. 
Estimated population/ 
31,400 sq. mi. 
7. Total 
Birds 
Shearwater-Petrel 
39 
0.03 
942 
5.48 
Storm Petrels 
116 
0.20 
6,280 
16.24 
Terns 
433 
0.28 
8,792 
68.34 
Tropicbirds 
6 
0.005 
157 
0.84 
Boobies 
51 
0.04 
1,256 
7.14 
Frigatebirds 
10 
0.004 
125 
1.40 . 
Shorebirds 
1 
0.002 
63 
0.14 
Miscellaneous 
3 
0.003 
94 
0.42 
TOTALS 
714 
0.61 
100.00 
