%DI!BBI]ET ——__GRKAT IRISATB 
July 15, 1964 
Hackman s " Found an abnormal Greater Frigate egg while 
making the nest survey. The egg was about l/S normal size and 
was oval rather than the normal oblong shape. The egg was 
broken open and fotmd to have no yolk. A male had been tenaciously 
sitting upon the egg. ” 
Nov. 11, 1964-Sibley: "...large colony on west side. Numerous Im¬ 
mature s present..." 
Nov. 9-12, 1964 -Sibley summary: "2 collected, 20 blood samples^ 
500 nestlings banded. Estimated 3,000. I9 nests with 
1 egg, 1115 with young, over 1,000 Immatures." 
eb. 12-l6y 1965 -Hackman Summary: 1310 nests ifith eggs, 21 nests v/ith small 
nestlings, kkny eggs pipped. Estimated 6,000 adu]_t^ and immatures. 293 banded and iUcirke^ 
with plastic streamers on each wing (blue on right wing and white on left) 2 band 
returns also marked \fith streamers). 
bruary 13y Hackman: blood sampled 25 Greater Frigatebirds,..The Greater Frigatebirds 
are on fresh eggs in the min colony and in the smaller colonies that are located 
in the interior along the soutli eend of the lagoon. There are few nestling 
frigatebirds on the island. 
iky 30 -June 1 
Sibley Suimnary: 
30 blood samples, 3 collected. 825 nests v/ith eggs, 952 with 
yoimg. Estimted 4000 birds. 
Sibley - species account : May 30 - nest count southern third of island (i.e 
south from lighthouse around to area on east snore op.posite house) 173 nests 
vrith eggs, 185 -ith small young, 18 v/ith large young ulus 11 other nest 
s 
May 31: •“ house to frigate colony count - 78 nests v/ith eggs, 60 I'-zith small young 
Q 
^0 ith large young. 
