TABLE 2. Diurnal density of Species Groups in the Southern Grid, 14-19 August 1966. 
Species Group 
No. Birds 
Birds/Sq. Mi. 
Est. Pop. for 
67,600 Sq. Mi. 
% Total Birds 
S he arwa t er -Pe tre 1 
L9 
0.0L6 
3110 
1.20 
Storm Petrel 
30 
0.0^6 
3786 
0.73 
Terns 
3303 
2.062 
139,391 
80.58 
Tropicbirds 
15 
O.Olli 
9L6 
0.37 
Boobies 
166 
0.156 
10,51t6 
L.05 
Frigatebirds 
526 
0.2i|6 
16,630 
12.83 
Shorebiirds 
10 
0.019 
128L 
0.2L 
TOTALS 
k099 
2.599 
175,693 
100. 00% 
