Audiogram of the ferret (Mustela putorius)
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Data from: Kelly, J.B., Kavanagh, G.L., and Dalton, C.H.(1986) Hearing in the ferret (Mustela putorius): Thresholds for pure tone detection. Hearing Research,24, 269-275.
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Average absolute thresholds (in dB re 20 µN/m2) for two ferrets
|
Ìý Frequency (in kHz) |
Average Threshold (in dB) |
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| Ìý | ||
|
.016 |
83 |
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|
.031 |
65 |
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|
.062 |
43 |
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|
.125 |
38 |
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|
.250 |
30 |
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|
.500 |
24 |
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|
1 |
12 |
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|
2 |
18 |
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|
4 |
14 |
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|
6 |
13 |
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|
8 |
4 |
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|
10 |
3 |
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|
12 |
-1 |
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|
14 |
3 |
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|
16 |
15 |
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|
24 |
17 |
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|
32 |
28 |
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|
44 |
70 |
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Lowest and highest frequencies audible at sound
pressure levels (SPL) ranging from 30 to 70 dB SPL
|
SPL (in dB) |
Lowest audible frequency (in kHz) |
Highest audible frequency (in kHz) |
|
70 |
.026 |
44 |
|
60 |
.036 |
42 |
|
50 |
.050 |
37.5 |
|
40 |
.095 |
35 |
|
30 |
.250 |
32.5 |
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Additional Parameters:
Body weight = 1.2 kg
Functional interaural distance= 180 µs
(Time required for sound to travel around the head from one auditory meatus to the other.)
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Comments: Threshold values taken from graph in Kelly, et al., 1986.