TABLE 5 



Stages in the breeding cycle of frigatebirds on Caroline Atoll. 

 21-29 September 1988. 



Nest stage/Approximate age in days from laying 



Duration of naked and downy chick stages are lumped because it was often 

 impossible to see into canopy nests. 



Colony Location 



Long Island, A 



Long Island. 1 N 



Long Island. 1 S 



TABLE 6 



Sooty tern colonies on Caroline Atoll. 27-28 September 1988. 



Calculated 



Population Nest Approx. Weeks 



Area (Mean Pairs ± SE) Stage From Laying 



44,100 m : 127,449 ±30.429 hatching eggs, 4-5 



downy chicks 



24,200m 2 41,382 ± 5,808 chicks with 7-10 



short tails, 

 juv. plumage 



6,400 nr 10.9441 1.536 " 7-10 



Bo"sun Biid Islet, 

 old 

 new 



Total 



3,375 m : 6,883 ± 1,575 fledglings 



3,375 m 2 1,538 ± 758 new eggs 



75,075 nr 188.196 ±40.106 



11-12 

 1-9 



TABLE 7 



Density of white terns on occupied islets by islet group, Caroline 

 Atoll. September 1988. 



All Occupied Islets 



31 



286.88 



3,957 



1.38 



155 



