9 - 
Red-footed Booby (47+4 nocturnal) 
I 
Eighty -five percent of total sightings were recorded in a large 
feeding flock approximately 20 miles southwest of Baker Island. 
Sightings of this species at distances of more than a few miles 
from the islands are usually in mixed feeding flocks. 
Great Frigatebird (l) 
Lesser Frigatebird (45) 
frigatebird species (131 + 1 nocturnal) 
Frigatebird density has been decreasing constantly since the peak 
. reached in August 1966 at the height of the nesting season. Frig- 
* — —< * | — — K ) 
atebirds were uniformly abundant each day during the present cruise; 
the vast majority of birds in close association with mixed feeding 
V. 
flocks. The greatest portion of unidentified birds are considered 
to be Lesser Frigatebirds according to both the ratios of identi- 
fied birds and the numbers of each species presently breeding on 
Howland Island. 
« 
Ruddy Turnstone (6) 
All six individuals were seen in one flock just north of Baker 
island on 21 November# Numbers of shorebirds greatly decreased 
from last month and most birds are considered to be on their res¬ 
pective wintering islands by this time# 
Sanderling (1) 
* • 
The single individual was collected just offshore Baker Island on 
• 4 
« %' 
20 November# This represents the first at-sea record in the grid f 
* 
although a few individuals are recorded each winter on the islands 
r 
and must logically pass through the grid area. 
9 * 
/ 
