RED-TAILED TROPIiBIRD 
Annotated List 
BEiKER 
June 17-20,29,1923 
(Wetmore) _ June 17-19 » Abundant, eggs and recently hatched young seen, 
June 20 s About 500 pairs. Some have fresh eggs now. The 
birds seek small cavities for nesting or several may (Rest?) long beneath a long 
over hanging ledge 8-20 feet apart. Occasionally both parents are found at the 
nest. Awkward and clumsy on the ground. 
June 29 ; Many now are shedding and renewing their rectrices. 
July 2$, 1 96k 
(Kridler) : There were 10 Red-tailed Tropicbird nests found which contained eggs 
to almost full grown young. 
■£&- — - — — - — 
Sept. 25-? 1964 
(Fleet. POBSP) Actual count - immatures - 25 
Adults-15 
Aerial count at itOO hours Total population estimate -125 
Baned---21 
Red-tailed Tropicbird threw up deep water (mullet?) fish 8 " long with head 
digested. 2 n deep and 1 " wide. 
(Kridler) - -getting good estimates of these birds is rather difficult because they 
can be found nesting in the holes on the aides of the inacessible cliffs, but we did 
record 25 imombuxes in their nests as well as 15 adults flying. A couple of nests 
contained eggs. 
March 15, 1965 
(Banko, POBSP) Bone mentioned in report. 
" \ Kr idler) Bone observed at any time. Last September we found birds nesting 
on this island. 
Sept.10-11,1966 
( Kr idler) Estimated at 100+ were using the island. 60 large young were found. 
One adult was found incubating an egg. There were 12 young also found about half¬ 
way up the north cliff in the valley between Bow and Summit Hills. Undoubtedly 
there were many more young on the island. 
March 10,1967 
(Hackman, POBSP) (Rept) Population estimates 15+ adults courting. (Botes) Saw only 
10 -15 birds in the air during the 6 hour visit. Bo nests or 
birds on the ground were observed by the party. These may have been well down the 
steep slopes where none of us ventured. 
Sept.15 ,1967 
Bot mentioned in field notes. 
