250A (2006 - CP)

The Orcalab recording 250A starts at 11:55am and ends at 12:43pm on August 15, 2006. The northern resident killer whales were heard vocalizing and echolocating at Cracroft Point, British Columbia.  A total of 182 discrete calls were identified; N1 (18%), N2 (27%), N4 (27%), N5 (3%), N9 (25%).

245A (2006)

The tape starts at 23:23 on August 14, 2006.  Loud tug noise is heard at Cracroft Point and water noise at the rubbing beach, no calls. Recording ends at 23:47 (n = 0).

240A (2006 - CP)

The recording 240A by Orcalab starts at 15:09 on August 14, 2006. Faint N4 (n=4) and N5 calls (n=1) were heard at Cracroft Point, BC.   Boat noise increases throughout the tape and ends at 15:54.

232B (2006 - CP)

A total of 185 discrete killer whale calls were identified on the 232B recording from August 13, 2006.  The recording begins at 20:15 and ends at 21:00.  The Northern Resident vocalizations were recorded off Cracroft Point, BC, by Orcalab during foraging activities.  Clicks were heard frequently typically given in a series, which are used as echolocation signals.  Whales identified by field observers included the A30, A12, A11, A24, A25, A08, B07, and I15 matrilines.  The N4, N9, and N5 call types were used most frequently respectively; N1 (3.78%), N2 (5.41%), N3 (2.16%), N4 (53.0%), N5 (12.4%), N9 (19.5%), N13 (2.16%),  and N17 (1.76%).

449A - (2005 - CP)

A total of 211 discrete Northern Resident killer whale calls were identified on the 449A recording by Orcalab from September 1, 2005.  The tape begins at 06:05 and ends at 06:50, the whales were heard calling and echolocating at Cracroft Point, BC.  Calls included N1 (1.5%), N4). (63%), N5 (3%), N7 (0.5%), N9 (5%), N11 (0.5%), N16 (0.5%), N23 (14%), N25 (10%), N47 (1%), and A12sp (1%).