RED-TAILED TROPICBIRD AMotated List — p.2. —.LISIAESKI 
LS& 9 July 14-17? 1 65 (RSC Rept) Estimated population --1,000 adults 
200 young 
Blood samples- none 
This species was found nesting in considerable numbers under Scaevola . 
ho nest is constructed, the egg being deposited in a shallow scrape in the 
sand. Afew nests contianed parbically incubated eggs, but most were in 
an advanced state of incubation. Chicks ranged from newly hatched to fully 
feathered and adult size. Some nests were only a few feet apart where 
Scaevola was dense. 
Lgf 23 June 16-19? f 66 (PCS Rept) Estimated population- 600 adults 
150 young 
Rests with eggs --- 150 
Banded----—---- none 
* 
Collected-—-- none 
Blood samples ----—- none 
Six nests with eggs and five with young were found during the 18 June nest 
count. This represents a superficial sample of the total, since nests 
occurred within Scaevola and were detected only if the adult were disturbed. 
An estimated 300 nests might be found by more intensive searching. 
Groups of up to five flying birds occasionally displayed over the beach 
and seaward slopes. - 
(RSC note") Commonly seen flying over the island., and 
groups of up to 5 birds were noted displaying over the beach. One bird was 
noted on an egg under a dense Scaevola bush. 3 other ~^gs and 5 immature 
were also counted. Sheltons estimate of 300 pairs I agree with 
(PCS summ) Resting is well underway - 11 nests counted 
were all. under "caevola. total pop. : 500 birds. 
LSft 17 Oct. 18-20, *66 (KB Rept) Estimated population ——- - 2 5 ±2$ °(o 
Banded -—.—— -—--none 
Recaptured --- none 
Collected ------- * none 
During the course of the survey on 18 October a few adult birds were noted 
in the air over the island. About 10 local chicks were also seen. The 
population figure is for a hilt birds, figuring two adults for each of the 
locals. 
