TABLE #4. SPECIES CONTRIBUTING 1$ OR MORE TO TOTAL BIRDS, EAC 13, 
30 MAY -12 JUNE 1967 . SAN FRANCISCO TO PANAMA 
11 
Occurrence (# days seen of 13 
Species 
i 
Rank possible days) 
Manx Shearwater 
61.0 
7 
Sooty Tern 
10.6 
2 
Wedge-tailed Shearwater 
7.2 
5 
White-rumped Storm Petrel 
3.2 
11 
Black Tern 
3.1 
4 
Cooks Petrel 
2.2 
3 
Brown Booby 
1.4 
5 
Black Storm Petrel 
1.0 
7 
89.7 
TABLE #5. REGULARITY OF OCCURRENCE — 
Ranking by # of days seen (4 or more days) 
EAC 13, 29 MAY' 
-12 JUNE 1967 
. SAN FRANCISCO TO PANAMA 
Species 
# Days Seen 
White-rumped Storm Petrel 
11 
Manx Shearwater 
7 
Black Storm Petrel 
7 
Black-footed Albatross 
5 
Sooty Shearwater 
5 
Nedge-tailed Shearwater 
5 
Brown Booby 
K 
Jaeger sp. 
5 
Red-billed Tropicbird 
5 
Frigate sp. 
4 
Black Tern 
4 
Dark-rumped Storm Petrel 
4 
