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SABLE 1. 
Summary of 
April 1966 
diurnal observations, Honolulu to San Francisco 
• 
Date // Hours 
Miles 
# Birds 
Birds/Linear Mile 
18 April 
1.5 
16.0 
262 
16.40 
19 
10.1 
101.0 
95 
0.94 
20 
10.5 
105.0 
42 
0.40 
21 
10.0 
100.0 
26 
0.26 
22 
10.0 
100.0 
. 23 
0.25 
• 
23 
10.0 
100.0 
21 
0.21 
24 
10.0 
100.0 
13 
0.13 
25 
10.5 
- 105 
8 
0.08 
f 
26 
9.8 
98.0 
24 
0.24 
27 
9.5 
95.0 
64 
0.65 
Total 
101.9 
920.0 
578 
0.63 
TABLE 2. 
Diurnal densities by species 
San Francisco, April 1966. 
groups from Honolulu to 
Species Group 
# Birds 
:• 
Birds/ Linear rpile 
Shearwater-Petrel 
311 
Q-343' 
Boobies 
69- 
0.075 
Frigates 
1 
0.001 
Terns 
147 
0.160 
Tropicbirds 
5 
0.005 
Miscellaneous 
45 
00.049 
“57T 
0.633 
