cage, one call, 26.5ºC, 23/01/2016, 22:05 h (Pettersson D1000X, sample rate 200 kHz, recording M00085)

Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith