COMPARISON OF AVG. DIVE DURATION PER 6 HOUR PERIOD 



ALL ANIMALS 



300 



C/D 



O 



O 240 



2 180 



< 



Q 



> 



W 



o 

 < 



> 



< 



20 



60 - 







N= (300) (124) (7) (5) (7) (27) (114) (15) 



N= # OF PERIODS 

 ERROR BARS = 1 S D 



} 



} 



I 



ALL 823 825 827 831 833 839 840 

 PTT NUMBER 



Figure 54. Comparison of average dive durations (seconds) during 6-hour summary periods 

 for whales tagged in 1990. 



88 



