255A (2006 CP)
The recording starts on August 15, 2006 at 08:09am. The northern resident killer whales are heard calling and echolocating near Cracroft Point, British Columbia. There was increased boat noise towards the end of tape finishing at 08:58am. A total of 103 discrete calls were identified: N1 (10%), N2 (7%), N3 (4%), N4 (54%), and N9 (25%).