Great Frigateblrd 
Numbers of this species increased 133$ from six in June to fourteen 
in July. All were observed within 1*00 miles of Cfehu. 
Sooty Tern 
Sooty Terns increased in numbers in July to 2555* a 5$ sain over 
the 2Ul3 seen in June, Concentrations were heaviest just south of Oahu 
and In an area from 275 to 325 miles northeast of Oahu. Immature birds 
were seen often* usually in flocks or accompanied by an adult* but on 
two occasions immature birds were observed flying alone. In the southern 
half of the grid area birds were seen changing to adult plumage. 
Noddy Tern 
Three hundred eight of this species were seen In July, all within 
sight of Oahu. Four were seen on one occasion perched on a small floating 
branch* As the ship approached Oahu on 1 August, Moody Terns far out¬ 
numbered Sooty Tarns for the first time during these cruises* indicating 
that the majority of Sooty Terns breeding in the area had completed their 
breeding cycles and had dispersed, while the Noddy Terns wore still raising 
chicks. 
Fairy Tern 
Numbers of this species increased 23$ from 18 in June to 23 in July. 
All were seen within IjOO miles of Oahu. 
Shorebird sp. 
On 19 July an all brown shorebird circled the ship twice. It may 
possibly have been a Golden Plover. This was the first shorebird to have 
been seen in the grid area since the April cruise. 
