WEDGE-TAILED SHEARWATER —-Annotated List-HIHOA ■ 
July 28- Estimated number --25^000 + 25 
August 1. 1966 Humber-;of nests . 10^000 + 25 
(Heiden, FOBS?) Humber of young- none 
Banded-----*- 200 adults 
t >.2 
Nt 
o 
opulation in br 
6dine status, distributed over entire island, 
' O O/ 
birds on well-developed eggs; only one 21 day old nestling observed® 
(bxocS A x 
*om burrows, crevices and rock ledges, to shallow 
depressions under dense vegetation ( Sida and Chenopodium ) 
While banding 200 of this species within a 100 yard radius of camp, 
individual birds were observed to range through a continuum from dark 
phase (U noted) to light phase, with Lt>5 birds in between® Ninety-five 
percent of the birds observed on the island were light phase« 
March 8-9,1967 
(Hackman, ROBS?) (Kept): Population estimates 5 + adults roosting; These birds were 
r 
sieving around or were in crevices between rocks and gave little 
evidence 01 burrowing or courting. (Notes) Only 3 birds seen offshore shortly after 
daybreak. 
Sept.13 -14,1967 
(Kricler) 
& *» V ^ 
Many,many thousands, A number of small, large downy chicks were found. 
Ho attempt was made to estimate numbers, but they should have 
exceeded at least a quarter of a million if not close to half * a 
There was much caterwauling by thousands and thousands of 
million or more. 
Wedge-taped Shearwaters whose populations increased enormously at dusk and later ... 
(Sept 1 k) About '0500 hours we were awakened by loud calling of thousands of Shearwater. 
So many were calling that the noise blended into a steady low roar. It was phenomenal 
and called an experience. > 
March 7-9, 1968 
(Clapp) 
TJp>/9 rrp-fp 5 
led Shearwate: 
Estimated population ------ <C50 
Only two Wedge-tailed Shearwaters were recorded by the field party. 
Kridler.heard one near the top of the island and another was heard calling 
behind cams. It is wossible that more were present. Ho evidence of 
breeding was found and it seemed evident from their scarcity that the 
majority of the breeding population had not yet returned to the island. 
