BLACK-FOOTED ALBATROSS ( Diomsdsa, nigripes ) ^ AT-Sea, Distribution and Abundance 
LAYSAN ALBATROSS (Diomedea immutabilis ) 
The following maps represent all At-Sea observations made by 
personnel of the Pacific Ocean Biological Survey Program from February, 
1963 , through August, 1965- 
Each square represents one days observation from, the first through 
the fifteenth of the month, while each circle represents one days 
observation from the sixteenth through the thirty-first of each month. 
Numbers refer to the actual number of birds observed during the 
day. 
Red indicates the distribution of Laysan Albatross. Green (l-9 birds) 
and Blue (10+ birds) represent the Black-footed Albatross. 
