Lisiaxtski 
.BLUE-FACED BOOBY 
LS 1 Feb. lli-j ! 63 
Feb. lij.^ *63 
Feb, lit,»63 
Mar. 12, 1 63 
Mar. 12,*63 
Mar. 12,*63 
1 dXX*QS■*""•‘“• annotated list 
(FCS-Rept): Estimated 500 nesting* 235> adults banded* 
110 Blood samples taken* * 
(FCS) : 11 Many masked boobies(eggs* small chicks* 
large chicks 13 ) * 
( WOW) : "Masked boobies were ; nesting among the alba¬ 
tross * and were in several stages from nest building 
to chicks of various sizes*••also nest on ground here 
(like albatross fearless when approached on nest)* 
Numerous masked boobies nesting along east shore with 
Laysan albatross* One or two eggs per nest. 
(Southside beach ); We watched adult seal crawl over a 
booby nest containing two eggs**•examined eggs after 
it passed*••they were neither broken or cracked* 
(Northeast side beach) : noted one pair of masked boobies 
with eggs* 
(WOW) : Masked boobies nestling along the perimeter of 
of the vegetation and solitary and perhaps non-breed¬ 
ing birds roosting along the beaches* 
(RMcF): Bill banded 200 masked boobies* 
(ABA): Started taking blood samples from masked boobies* 
Took approximately 10cc** banded the bird and released 
it* Most of masked boobies were nesting(eggs to bery 
large chicks)* ••♦checking nest for ticks and first 
nest and most of others contained ticks(argasidae)• 
The Masked Booby nests directly on the ground with 
no nest material at all. Most of the ticks were en¬ 
gorged. 
LS 3 Mar* 11-12* ! 64 (ABA Rept.) :Estimated population 500~650* estimated 
no* of nests 200plus* no* of young present 100* 
no* banded by S.I. 100* 81 Blue-face band returns re¬ 
corded. All of these birds were banded on Lisianski 
by Project in March of 1963* 
(Rept): Estimated population* Adult* 500* Imnu 100* 
Nestling* l(actual count)* nest with eggll (actual 
count) .No* adults banded 21].* imm** 63* nestling !• 
13 returns * most from March 1961w 
Found scattered along the beach* with most of the birds 
concentrated in two large flocks conposed mainly of 
adults* at opposite ends of the island* About 1/6. of 
of the population were flying immatures • Many immatures 
were still being fed* One female was found incubating 
an egg and one half grown chick was also present* 
These birds were the prime targets of frigates as 
they returned in the evening* 
