Figure 41. Comparison of average number of dives during a 6-hour 



summary period for ail 1990 animals .72 



Figure 42. Frequency histogram of the number of dives 



for all 1990 PTTs (#825, #827, #831, #833 

 #839, #840) by period of the day .73 



Figure 43. Frequency histogram of the number of dives during all 



6-hour summary periods for PTT #823 .74 



Figure 44. Frequency histogram of the number of dives during all 



6-hour summary periods for PTT #825 .75 



Figure 45. Frequency histogram of the number of dives during all 



6-hour summary periods for PTT #827 .76 



Figure 46. Frequency histogram of the number of dives during all 



6-hour summary periods for PTT #831 .77 



Figure 47. Frequency histogram of the number of dives during all 



6-hour summary periods for PTT #833 .78 



Figure 48. Frequency histogram of the number of dives during all 



6-hour summary periods for PTT #839 .79 



Figure 49. Frequency histogram of the number of dives during all 



6-hour summary periods for PTT #840 80 



Figure 50. Comparison of number of dives during the 1990 tracking 



study for p'TTs #825, #827, #831, #833 and #840 .81 



Figure 51. Comparison of number of dives during the 1990 tracking 



study for PTTs #823 and #839 .82 



Figure 52. Frequency distribution of discrete dive durations 



(seconds) for PTT #843 (1989) M 



Figure 53. Frequency histogram of average dive duration 



during 4-hour summary periods for PTT #843 (1989) .85 



Figure 54. Comparison of average dive durations (seconds) during 



6-hour summary periods for whales tagged in 1990 .88 



vu 



