\ 
Table III# Density and population estimates for grid 
during January 1965 
Group 
Number seen Birds /line £T. 
mile 
Birds/ square 
Mile 
% of Tpt^l 
Estimated 
Grid Total 
Shearwater- 
Petrel 
26 
e 
O 
CO 
.019 
h2 
* 
930 
Tropicbirds 
12 
.018 
.009 
19 
130 
Tern 
0 
- 
— 
• 
Shorebirds 
0 
1 1 
• , * 
— 
— 
- 
— 
Boobies 
17 
CM 
O 
• 
.012 
27 
600 
Erigetes 
6 
-.009 
V ' , ' , 
o"\ 
O 
O 
• 
10 
130 
Flocks 
r, , * fi 
0 
• • r 
m * 
— 
Feeding flocks 
-. - ./ * ,;’r ty f 
0 
y' . l'*' , 
“ 
— 
— 
Total 
62 
< 
.09 
2230 
Table 1^. 
Comparison of bird 
quadrats, 
densities in four grid 
January 1963 
• 
Quadrat 
Linear miles Minutes 
Miles/ 
Minute 
Birds 
Density 
East 
153 
1098 
.lU 
12 
.078 
South 
166 
1103 
.13 
13 
.078 
West 
137 
9U6 . 
.17 
20 
.127 
North 
220 
1331 
.17 
17 
.077 
t 
