December 1964 - BCF cruise „ 2 
Black-footed Albatrossr : 
A slight increase in numbers vas noted in December vith 55 seen 
compared vith 40 in November. The southern limit vas 22° North in the 
eastern part of the grid and 21° North in the vest around Oahu. On one 
occasion formal display behavior vas noticed between two birds sitting 
on the water, including all phases of display except bill-clappering. 
Vocalizations were plainly audible to the observers on shipboard at 
least 100 yards distant. On l8 December a banded bird was observed 
sitting near the stem of the ship, but it could not be captured. 
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Wedge-tailed Shearwater 
r -1 4 
Numbers decreased 47°/o from 199 tn November to 106 in December. 
No southern dark-phase birds were observed in the area. This is the 
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first month in which no dark-phase birds were seen. Juvenile binds 
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were seen only on 8 December, just north of Hawaii. As in the past 
densities were greatest in the vicinity of the high Hawaiian Islands 
and in the southeastern corner of the area. 
Christmas Island Shearwater 
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One was observed on 20 December for several minutes within 5 miles 
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of Oahu. 
Newell T s Shearwater ' r 
a 
Four birdn were seen In December, the same number as in November. 
Two were seen several hundred miles north of the high Hawaiian Islands, 
