Species | Startle threshold (pure tones): sound pressure level Underwater: re 1 μPa In air: re 20 1 μPa | Hearing threshold | Hearing threshold (average across studies) | Sensation level (dB re hearing threshold) |
---|---|---|---|---|
Human Homo sapiens (in air) | 92 dB re 20 μPa; data taken from [42] (1 kHz) rise time: 5 ms (extrapolated) | dB (A) weighting | 0 dB re 20 μPa | 92 dB* |
Rat Rattus norvegicus (in air) | Mean ranging from 85 - 95 dB re 20 μPa [9] (between 7 and 40 kHz) rise time: 5 ms | Mean ranging from 0 to 8 dB re 20 μPa (between 7 and 40 kHz) [9] | not used | 87 dB** |
Mouse Mus musculus (in air) | 89 dB re 20 μPa (hybrid of strains) (5 kHz) [26] rise time: 0 ms | 15 dB re 20 μPa [43] (house mouse) | only one study included | 74 dB* |
Grey seal Halichoerus grypus (underwater) | 155-160 dB re 1 μ Pa mean: 159 dB (1 kHz, this study) rise time: 5 ms | 76.6 dB re 1 μ Pa [44] 67 dB re 1 μ Pa [45] 54/56 dB re 1 μ Pa[46] (harbour seal, Phoca vitulina) data; behavioural audiogram for grey seals not available) | 66 dB re 1 μ Pa (1 kHz, extrapolated) | 93 dB* |