Black footed Albatross 



Laysan Albatross 



1617 1819 2021 2223 24 2f 26 27 28 29 

 (3) (22) (100) (411) (549) (220) (9) 



1617 18 19 20 21 22 23 24 25 2627 28 29 

 (3) (22) (100) (411) (549) (220) (9) 



Wedge-tailed Shearwater 



Sooty Stiearwater 



m 16 17 1819 20 21 22 23 24 25 26 27 28 29 



1617 18 19 20 21 22 23 24 25 26 27 28 29 



°- Slender-billed Shearwater 



l.Sn 



4i 



.2- 



Newell s Shearwater 



1617 18 19 2021 22 23 24 25 2627 28 29 



16 17 1819 20 21 22 23 24 25 2627 28 29 



10 1 



Juan Fernandez.White necked Petrels 







16 17 18 19 20 21 22 23 24 25 26 27 28 29 



AIR TEMPERATURE (°C) 



Black-winged Petrel 



16 17 18 19 20 21 2223 24 25 26 27 28 29 



AIR TEMPERATURE (°C) 



Figure 33. — Number of birds seen per 30 linear miles (55.6 km.) of observation at various air tem- 

 peratures in increments of 2° C. The number of samples at eacli increment is in parentheses under 

 the upper figures, but pertains to all figures. 



89 



