Species Accounts 
Wedgentailed Shearwater (1U9) 
The occurrence of this species was nearly identical with last month's# 
Slightly fewer were seen but they represented nearly the same fraction (18^) 
of total birds as in July# Dark phased individuals, however, were only 
about half as numerous as in July# Numbers increased daily from east to 
west up to the departure from the normal grid course, as follows: 3, 7, 27, 
30, 71# Of the total only 65 occurred in flocks (6), in contrast to nearly 
100% of the Sooty Terns being found in flocks# Scattered individuals 
and pairs comprised the remainder# 
Newell 1 s Shearwater (U) 
All four birds seen this month were recorded on the fifth day (20 
August) in the north quadrant of the grid. Two individuals were noted just 
after sunrise and two just before sunset# The same number was recorded in 
i 
the grid last month. 
Pterodroma externa (132) 
Includes Juan Fernandes (38), White-necked (U5)> and individuals 
unidentified as to either race (U9). 
The numbers of this species declined by about 30^ from July. Numbers 
increased daily from east to west for the first four days, then declined 
sharply in areas where Wedge-tailed Shearwaters were most numerous# The 
predominance of White-necked over Juan Fernandez Petrels recorded last 
month was not encountered this month# The majority of birds were accounted 
% 
for by individual sightings. 
