BELUGA WHALE ? 

 BELUGA WHALE cr 

 BOTTLENOSE 

 PORPOISE 



10.0 100.0 



FREQUENCY (kHz) 



Figure 7. Behavioral underwater audiograms (smoothed cilrves) for the beluga 

 whale and the bottlenosed porpoise. 



- HARBOR PORPOISE 



- KILLER WHALE 



FREQUENCY (kHz) 



Figure 8. Behavioral underwater audiograms (smoothed curves) for the harbor 

 porpoise and the killer whale. 



H-17 



