I believe (and I'm no expert) that the descending frequency from a high of 100 kHz to a long trail at 50 kHz is the chirp of a #pipistrelle, probably a common one. 🦇🦇🦇 #bat
I believe (and I'm no expert) that the descending frequency from a high of 100 kHz to a long trail at 50 kHz is the chirp of a #pipistrelle, probably a common one. 🦇🦇🦇 #bat
www.youtube.com/watch?v=eRyR...
www.youtube.com/watch?v=eRyR...