The Orcalab recording 255A 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%).
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