- 8 - 
Petrels. An additional six birds identified as Phoenix/Tahitian Petrels 
were also seen on the 15th, east of 163-02W. 
Black-winged Petrel: 
(Pterodroma "hypoleuc^" nigripennis) 
Birds of this species were sighted in moderate to relatively high 
numbers on this leg of the cruise (see table). Notably the numbers of 
birds increased on the 17th west of 167-09W. Apparently we were entering 
a good feeding area for this species, ho directional trend was noted, 
indicating that the birds were searching and feeding in the area, 
Shearwater-Petrel: 
Large numbers of birds identified only as Shearwater-Petrels were 
seen on the 15th, but the numbers deminished rapidly on the 16th and 17th 
of November, A large percentage on the l5th were in two large mixed 
flocks containing Sooty Terns. No directional trend was noted for these 
oirds. 
Pterodroma So . 
Four birds identified only as Pterodroma were seen during this leg 
of the cruise. None were in flocks, and no directional trend was evident, 
Bulwer's Petrel: 
(Bulweria bulwerii) 
One Bulwer’s Petrel was observed flying northwest on the 15 th of 
November at a position of 06-36N; l62-$6W. 
White-rumped dorm Petrel: 
( Oceanodroma sp . ) 
Two birds identified only as White-rumped Storm Petrels were 
observed on the 15th of November. Both were flying alone and had no 
determinable direction of travel. 
Red-tailed Tropicbird: 
(Phaethon rubricauda) 
Red-tailed Tropicbirds were observed in low numbers during this 
leg of the cruise (see table). None were seen in flocks but three were 
feeding at the time they were sighted. No direction of travel was 
determined for any of them. 
Red-footed Booby: 
( Sula aula) 
This species, known to be nesting and roosting in large numbers on 
PaLmyra Island, was found feeding northwest of the island. Large numbers 
were seen feeding on the 15th of November and almost none observed on the 
16th and 17th as we traveled from atoll (see table). One large group 
of 7$ were seen feeding with a mixed flock of Terns and Shearwater-Petrels 
on the 15th. Of these observed the first day, fort y were inter-mediate 
phase adults, nine were sub-adults, 1 was an immature, and 75 were not 
classified. Many birds were seen gravitating towards the east-or towards 
the island. One sub-adult bird was observed on the 17th with a ieeding 
flock of Shearwater-Petrels. 
Frigate species: 
Four birds, identified only as Frigate so. were observed on the 15th 
near Palmyra island. Two of these were with a large mixed feeding flock 
of Sooty Terns, Red-footed Boobies, and Shearwater-Petrels. Three more 
were seen on the 17th as we neared Johnston Island. None of these were 
in flocks, and no directional trend was established. 
Sanderling: 
One Sanderling landed on the ship during observations on the 15th of 
November. 
