,y 
6 
Leach T s Petrel 
Lumbers dropped considerably from J04 in April to J2 this month 
as the birds moved north to breed. Distribution was fairly random 
although 10 vere seen on 12 May south of Oahu. 
White-tailed Tropicbird 
Fourteen birds vere seen in May, a slight increase from 8 in 
April, but belov the record 24 seen last May vhen the ship passed 
close by cliffs where the birds vere breeding on Maui. 
Red-tailed Tropicbird 
1 
K. 1 ne of the thirteen seen in May vere south of L. Almost 
twice as many (25) vere seen in May Ityob. 
Blue-faced Booby 
All 5 birds vere at the southern end of the area, 
the case in previous months. Three vere flying in a gr 
returning to the ship several times over a period of an 
birds vere immatures or sub-adults. 
as has 
oup on 
hour. 
been 
2b May, 
All 
Brown Booby 
All 5 birds vere seen within sight of Oahu, 
part in feeding flocks. 
Red-footed Booby 
All lib birds vere within 50 miles of Oahu. Most vere in 
feeding flocks. 
Great Frigatebird 
A new high of 48 birds was recorded in May, all within 400 miles 
