1 
11 
TABLE 4. Nocturnal abundance of species within the Southern Grid, 5-12 April 196S. 
Species 
No* Birds 
Birds/Linear Mile 
No. Collected 
Wedge-tailed Shearwater 
23 
0.074 
4 
Sooty/Slender-billed Shearwater 
1 
0.003 
Audubon's Shearwater 
4 
0.013 
1 
Phoenix Island/Tahitian Petrel 
1 
0.003 
Tahitian Petrel 
1 
0.003 
1 
Mottled Petrel 
3 
0.010 
3 
Pterodroma species 
3 
0.010 
Bulwer's Petrel 
4 
0.013 
Shearwater-petrel 
15 
0.048 
Leach's Storm Petrel 
8 
0.026 
4 
White-rumped storm petrel 
25 
0.080 
Storm petrel species (rump ?) 
5 
0.016 
Tropicbird species 
3 
0.010 
Blue-faced Booby 
6 
0.019 
Red-footed Booby 
3 
0.010 
Booby species 
3 
0.010 
Golden Plover 
1 
0.003 
Ruddy Turnstone 
1 
0.003 
Shorebird species 
8 
0.026 
Sooty Tern 
643 
2.077 
4 
Gray-backed Tern 
11 
0.035 
1 
Common Noddy 
1 
0.003 
1 
Hawaiian Noddy 
1 
0.003 
1 
Bird species unidentified 
19 
0.061 
TOTALS 
798 
2.558 
20 
