TABLE 4. 
Diurnal abundance of species in Grid, April 1966 
Species 
No. Birds Birds '/ linear mile 
Wedge-tailed Shearwater 14 
Sooty Shearwater 20 
Sooty/Slender-billed Shearwater 8 
Juan Fernandez Petrel 2 
Pterodroma externa 8 
Black-winged Petrel 1 
Pterodroma hy poleuca 2 
Mottled Petrel 1 
Pterodroma sp. 22 
Shearwater-Petrel 23 
LeacfaJh-—type Storm Petrel 3 
Storm Petrtl sp. 1 
Red-tailed Tropicbird 3 
Blue-faced Booby 4 
Brown Booby 1 
Red-footed Booby 1 
Sooty Tern 1231 
Common Noddy Tern 2 
Fairy Tern 4 
Tern sp. 2 
Shorebird sp. 1 
Miscellaneous 5 
0.025 
0.036 
0.014 
0.004 
0.014 
0.002 
0.004 
0.002 
0.039 
0.041 
0.005 
0.002 
0.005 
0.007 
0.002 
0.002 
2.230 
0.004 
0.007 
0.004 
0.002 
0.009 
Totals 
1359 
2.460 
TABLE 5. 
Streamer sightings in the 
Streamer 
1 Grid, April 1966. 
Location Origin Distance from 
Date 
Species 
Color 
of Sighting 
of Bird 
Origin 
4 April 
Sooty Tern 
Orange 
16-7N 171-11W 
Sand Island 
(Johnston Atoll) 
83 Miles 
4 April 
Sooty Tern 
orange 
16-7N 171-llW 
W 
83 Miles 
4 *pril 
Sooty Tern 
Orange 
16-31 171-8W 
H 
72 Miles 
