TABLE IV 
Diurnal Abundance of Species Groups Inside the Grid 
Group T otal Birds B irds /square mile Estimated Population 
Shearwater 
99 
0.07 
3,300 
-+• 
Boobies 
1 
>0.01 
33 
-t* 
Tropicbirds 
10 
0.01 
333 
£ 
Frigatebirds 
0 
0.00 
0 
Terns 
396 
0.19 
9,373 
Storm Petrels 
1 
>0.01 
70 
