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HOWLAITD 
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■breeding data 
HED-TAILHD TROPICS HO) 
July 5-8, 1963 —— Sibley: u 3 nests seen. One with half grown chick. Others 
egg or small young. 2 under rock slab. Other at “base of tree 
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October 9-1^* 19^3 —- Sibley: ". . .16 nest, 9 with large young, 4 with small young, 3 i 
3 with eggs. 13 nestlings .... banded. 11 
October 18-21, 1963 — Sibley: ”9 nest with large young, 3 with small young, 
3 with eggs. i! 
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BED-TAILED 
TRC 
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JPICBIBD 
October 9-14, 1963 _ Sibley: 40 birds. 13 nestlings and 11 adults banded, 
3 blood samples. 
October 18-21, 1963 - Sibley: 7 blood samples, 1 adult banded. 
'ebruary 8-1$, 1964 - Sibley: 3 seen flying over on several afternoons 
July 22-25, 1964 
July 22, 1964 
_ Sibley summary : " 77 adults and 10 nestlings banded. 
18 nests with 1 egg, 7 nests with small young, ana 9 
nests with large young. Nest count 90 percent complete. 
Estimated 100 adults. 4 returns. All but two nests 
located under rocks on HW quarter of island. Fresh eggs 
found on the 24th and 25th. n 
___ Hackman s •* In the Island survey I banded 40 Red-tailed 
Tropicblrds along the west shore. She majority of the birds 
were in previously marked nests (from other tripe. ) Only 
two nests were found along the east shore of the island where they 
„ . „ * • Fek/f^^ “i 
had been quite common in February - March. 1 < 1 
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