I 
HTDEEBUET 'birds —— annotated list 
RID FOOTED BOOBY 
July 11-16, 1963 Sibley! " A common species restricted to various groves of 
trees where it roosted and nested. Most white with gray wings and 
V back. Some all grayish brown. Considerable variation of white 
with gray pattern. Foot too small for 7B band. 318 nests with one 
egg* 209 nests with chick, 49 with nestlings (large enough to band) 
_ total (576) - 
Hove 16-20* 1963 —Si'bleyJ **Oo 0 UBon in various clumps of trees. 41 nests witk eggs 
40 nests with small young, 217 large young* ^otal (298) Estimated 
1200-1600 adults. 140 immatures, 3 suoadults, and 217 nestlings 
banded. 
Feb. 27- Mar.2, 1964 - Sibley! “ Estimated 500* — 27 Immatures banded. 34 Immature 
__ returns. No pnating. Roosting birds distri'buted as during nesting, 
—Sibley summary: Distributed as on previous trips. 
July 14-17, 1964 
222 adults and 209 nestlings banded with 8? returns and 
2 recoveries. Nest Count. 
Southern tree 
Frigate colony 
Guano 
Total 
_ ClUfflTO.S .. . 
west side 
heap 
1 egg. 
70 
33 
10 
113 
small young 
88 
47 
9 
144 
large young 
i5a 
49 
40 
248 
total 
317 
129 
• 
59 
505 
Estimated I 5 OO adults. 
Nov. 9-12, 1964 -Sibley summary; "2 collected, 20 blood samples. 
63 adults, 35 immatures and 225 nestlings banded. 
44 adult and 24 Immature returns. Estimated 800 
birds on the island. 34 nests with 1 egg, 29 nests 
with small young, 229 nests with large young." 
