cage, 24.5ºC, 20/2/2011 2:00 h, continuous calling, low ultrasound (21 kHz) (Pettersson D1000X, sample rate 100 kHz)

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