October 9-14, -Sibley: f, Yisited the old Frevata ariel col 01137 * and found that ttie: 
had all raised their young and left. Remains of 168 immatures found in the 
old colony, do evidence of any nesting material . n 
February 8 -13, 1964 -— Sibley: 15 maximum went over one afternoon - both spec 
seen. One minor roosting in dead trees. 
les 
.<Ar-l-V, •’ ! y 4 .‘,'tv*’, 1 
V 
July 22-25, 1964 s 
^Sibley summary : " 33 adults banded. Estimated 
4,000 nests, 10,000 adults. Most of nests with eggs 
or small young but one group of 4-500 neats had medium 
sized young. Colony located at south end of island 
extending onto the beach. Rests of 
stems® n 
Oct. 9-13, 1964 —-—SIBLEY summary* ^Estimated 8,000 nest, if 11 but 100 with 
young. 2000 nestlings banded. 6 adult $ birds collected a® skeletons, 
.4 as skins. 30 adults and 20 nestlings sampled for blood. Estimated 
18,000 adults.** 
\ 
Sibleys Large numbers coming in from NW toward dusk. 
9 Oct. 1964 
A 
10 Oct. 1964 —~—Sibleys Density count on 1250 sq.ft, gave density of 200 per 
1,000 sq.ft, or a total of 11,200 nestlings and about 100 eggs. 
Overestimate Z 8,000 better 
LESSEE ERKJATE3IED 
HOWLAND 
( 2 ) 
1HDS - annotated list 
Oct. 12, 1954 
——-Hackman Nest Description: Colony located Just in from the beach 
crest on the south end of the iAland. Boughly 300 X 20 yards in area. 
Plants in area: 1’rlbulus . Portuiaca . Boerhaavia . Lenturus . & Dlgltaria . 
Nest. Construction: A loosely assembled pile of Tyi’bulns steins with a 
few scattered steins of Boerhaavia . New nests are vgry loose and irregullr 
