Listening for Pipistrelle Calls at 50KHz
The two pipistrelle species do sound very similar. The key to separating them is to find the peak frequency.
If you hear a pipistrelle bat on your detector when you are standing at the spot and are tuned to 50kHz, you will usually hear a fairly high pitched sound as you will not be tuned into the peak frequency.
Listen to this audio clip of a pipistrelle bat at 50kHz. You can hear it is high pitched and fairly ‘tinny’ sounding.
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