EEfew BOOBY 
Annotated List 
BIHOA 
P.2 
March 8-9; 19o7 
(Hackman, P 
(Kept) Population estimate: lA-f adults with nests.. . Some of the 11 
bifds observed on Mho a Island were nesting hut the unexpected 
departure from the island prevented a check for contents. (Botes) 
Besting along south shore on edge of cliff 6-7 pairs +. Very difficult to check ' 
numbers because most birds were well down the slopes. Couldnt determine exactly 
what the nests contained (Ernie Koshka) 
. Sept. 13-11,1967 
(Kr idler) 
At least 100 were noted flying about. About half were adults and 
half were immatures. 
March 7 ^ 9 ? 1968 
(Clapp) 
Brown Booby 
Estimated diurnal ‘oonulation - 
Estimated nesting population - 
Bumber of nests counted - - - 
'Bumber of unchecked nests 1 -*— 
Bumber of empty nests - - - - 
Bumber of nests with eggs - - 
* of nests with young - • 
225 
200 
Bums 
r—■ 
5 
ble 2 (below) gives th 
'one results of the sample nest count by area 
rp a 
ABLE 2. Results of Sample Best Count of Brown Boobies on R r ikoa island. 
Contents of nests 
Areas -Area 
1 .& 2 ‘ 3 
Area . Area Area 
1 5 6 Totals 
nests/unchecked contents 
nests/active, empty nests 
nests/one 
-9 
39 
/; 
H 
'IT 
jy 
Otc 
QTrg- 
^ 00 
nests/two eggs 
nests/three eggs 
nests/egg 1 naked young 
nests/naked young 
nests/small downy young 
nest s/medIum do wny young 
.s 
1 
p 
20 
This viable indicates that the great preponderance of nests (pi of 77) 
occurred on the eastern third of the island (East and East Palm Valleys 
and Tanager Peak) and-that a smaller concentration occurred in the West 
West Palm Valley area. It also suggests that the alt 
O V"; 
OL ** w 
lion of nests in Brown loopy was far less pronounced than in the Blue-faced 
- *r* 1 ^ o • c ~~ *v.- * r-*-A o. <-> 
J** A. *1 C.% W ^_„ O ^ *■ * 
IVn 
