Diurnal Occurrence of Birds in Different Grid Quadrants 
N - l.jM* birds per linear mile 
S - 0.682 " 
E - 0.416 " 
W - 0.607 * 
Density of Species Groups within the Grid 
Group 
Shearwater-Petrel 
Tern 
Booby 
Tropic bird 
Frigatebird 
Storm Petrel 
Total Number 
Birds Per Square Mile 
Estimated Population 
213 
0.l4 
7,000 
"341 
0. l^fc 
■ 
7,500 
1 
-0.01 
35 
l6 
0.351 
500 
3 
-0.01 
50 
5 
0.01 
350 
582 
0.31 
15,500 
Total birds 
