Sooty Tern cont 
February 17 - 20 ,000 immature; 5000 roosting. ~600 remained on 
main island, for first time, during morlng, on slope among Brown Boobies 
Moved to outermost part of the north point by mid -afternoon, half on 
ground and half in air. One hundred to two hundred birds still around 
islet all day. 
Birds no longer congregating in thick clouds offshore before 
coming in to roost; instead, constant trickle of small numbers from 
4 to 5 p.m. on, come right in over island. 
February 18 - Beginning of nesting. ~25 eggs being incubated in 
large group on north point. 
February 20 - Another group cC birds remained on slope after main 
body of birds departed. Apparently moved into flock on north point 
later in day. 
2000± present on point during day, 5/4 or better on ground. 
25+ eggs on islet. 
February 21 - Birds alighting in roosting areas on south side of the 
- 
/ transmitter building before dark for first time. 
February 22 - 5 - 6000 birds on point all day* Only 5 - 400 of 
i. 
S' - 
these in air. 
February 25 - 8 - 1000 birds on point. 2Iti birds roosting on road 
11 s 50 p.m., 6 a.m. nesting moring, nor on left of transmitter building. 
/ 
/ 
February 24 - Booties everywhere! About 5000 remained on the 
/ k 
sduth (right) side of the transmitter building all day, on the ground, 
with another 2000 in the air milling around. A few hundred also were 
if 
sitting along the southeast shore, among the frigates and boobies and 
