.20 



.10 



Blue-faced Booby 



= 21 

 15 



21 

 60 



22 

 140 



24 

 453 



Red -footed Booby 



Brown Booby 



Great Frigatebird 



C3 



ro 



LU 

 O- 



o 

 a: 



20-1 



.10 



Pomarine Jaeger 



Brown Noddy 

 Spring 



3- 



14 



21 

 48 



P""'! 



22 

 103 



23 

 172 



26 

 61 



27 

 5 



WATER TEMPERATURE (°C) 



White Tern 



20 



10 



' ' 21 ' 

 60 



22 

 140 



23 

 317 



Brown Noddy 

 Fall 



22 

 6 



23 

 IS 



24 

 57 



25 

 124 



27 

 J9 



WATER TEMPERATURE (°C) 



Figure 34. — Number of birds seen per 30 linear miles (55.6 km.) of observation at various water 

 temperatures in increments of 1° C. The number of samples in each increment is given below the 

 temperature . — Cont inued . 



3k 



