49 
Species 
Percent Number 
Sooty Tern 
Shearwater/Petrel 
Wedge-tailed Shearwater 
Pterodroma externa 
Storm Petrel 
White Tern 
Blue-faced Booby 
Rea-footed Booby 
Christmas Shearwater 
Audubon Shearwater 
Small Pterodroma 
Pterodroma sp. 
This section is narrow, usually crossed easily in a day 
v t n /*>( *•! f O O *1 
rn 
he southern 
limit is (artificially) the north side of the Grid area n.), ° ne natural 
limit at this longitude (176° W.) is determined by -the spread of Howland 
birds mostly Sooty Terns. It varies roughly between 1° N. and 3 
day’ s’observations northbound through the area and centered on the miadle 
of the section may Include elements typical to the southern Gr^d during, 
the morning, and ”5° N." fauna in the late afternoon. Generally there is 
a 50-100-mile strip separating Grid and 5 N. whi.cn activity is very 
low. 
