The lack of baleen whale (Cetacea Mysticeti) audiograms impedes the assessment of the impacts of anthropogenic noise on these animals Estimates of audiograms  which are difficult to obtain behaviorally or electrophysiologically for baleen whales  can be made by simulating the audiogram as a series of components representing the outer  middle  and inner ear (Rosowski  1991  Ruggero and Temchin  2002)