11 
TABLE #3. OCCURRENCE OF 
SAN FRANCISCO 
BIRDS BY SPECIES 
TO PANAMA 
GROUPS, 
EAC 13, 30 MAY -12 JUNE, 1967 
Groun 
No. Seen 
1o 
Total 
Birds 
Overall 
Linear 
Density 
Avg. Lin, Dens, 
for Days of 
Occurrence Only 
Albatross 
18 
0.2 
.04 
.08 
Shearwater 
5966 
70.0 
16.0 
26.5 
Gadfly Petrel 
184 
2.2 
.49 
2.6 
Shearwater/Petrel 
6155 
72.3 
l6.6 
27.4 
"White" & "Dark" 
& Storm Petrel sp. 
350 
4.1 
• .94 
.94 
AH Storm Petrels 
434 
5.1 
1.2 
1.2 
Tropicbird 
6 
0.1 
.02 
.03 
Booby 
139 ■ 
1.6 
.37 
1.2 
Frigate 
28 X 
0.3 
- .08 
.50 
Phalarope 
26 
0.3 
' .07 
. 15 . 
Jaeger (& Skua) 
24 
0.3 
. 06 
.12 
Tern 
1224 
14.4 
3.28 
6.30 
Gull 
11 
0.1 
.03 
.16 
8517 
22.9 
