Table 1. Summary of odontocete audiogram results.
Species | Common Name | Number Stranded Animals Tested | Number with Hearing Loss |
Steno bredanensis | Rough-toothed dolphin | 14 | 5 |
Tursiops truncatus | Bottlenose dolphin | 7* | 4* |
Grampus griseus | Risso's dolphin | 7 | 0 |
Feresa attenuata | Pygmy killer whale | 2 | 0 |
Stenella longirostris | Spinner dolphin | 1 | 0 |
Stenella frontalis | Atlantic spotted dolphin | 1 | 0 |
Globicephala macrorhynchus | Short-finned pilot whale | 1 | 1 |
Mesoplodon europaeus [13] | Beaked whale | 1 | 0 |
*One bottlenose dolphin (Filly) became entangled in fishing gear and was rescued. This dolphin had high frequency hearing loss.