6 
V- 
TABLE I 
TIME AND MILAGE OF DIURNAL OBSERVATION WITHIN THE GRID 
I 
f 
Date 
Hours 
Mi les 
6 March 
12 
103 
7 March 
12 
85 
8 March 
12 
97 
9 March 
12 
104 
10 March 
12 
74 
12 March 
12 
120 
13 March 
12 
105 
Total 
84 
688 
ABUNDANCE OF 
Group Total 
Birds 
TABLE II 
SPECIES GROUPS WITHIN 
Birds/ 
Square Mile 
[ THE GRID 
Estimated 
Total Population. 
Shearwater- 
Petrel (1) 
20 
e.ei 
725* * 
Tropicbirds 
(1) 
11 
0.01 
400* 
Terns (2) 
47 
0.02 
1 , 140* 
Shorebirds (3^ 
0 
0.00 
r 
i 0 
Boobys (1) 
10 
0.01 
365* 
Frigatebirds 
(4) 
3 
/ 0.01 
55* 
Storm Petrels 
(5) 
6 
0.01 
435* 
Total 106* 77 3 , 100 * 
(1) Based on visability range of 1 mile from ship 
(2y Based on visabiligy range of 1% miles from ship 
(3) Based on visability range of \ mile from ship 
(4) Based on visability range of 2 miles from ship 
* Includes unidentified birds and uncommon groups such as Gulls* 
9 
* 
r 
I 

