Audiogram of the ferret (Mustela putorius)
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.
Average absolute thresholds (in dB re 20 µN/m2) for two ferrets
|
Frequency (in kHz) |
Average Threshold (in dB) |
|
|
.016 |
83 |
|
|
.031 |
65 |
|
|
.062 |
43 |
|
|
.125 |
38 |
|
|
.250 |
30 |
|
|
.500 |
24 |
|
|
1 |
12 |
|
|
2 |
18 |
|
|
4 |
14 |
|
|
6 |
13 |
|
|
8 |
4 |
|
|
10 |
3 |
|
|
12 |
-1 |
|
|
14 |
3 |
|
|
16 |
15 |
|
|
24 |
17 |
|
|
32 |
28 |
|
|
44 |
70 |
|
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 |
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.)
Comments: Threshold values taken from graph in Kelly, et al., 1986.