Main Beach - most popular rubbing beach for the Northern Residents at the Robson Bight / Michael Bigg Ecological Reserve, Vancouver Island, British Columbia (photo - Rachael Griffin 2004)
The Orcalab recording 270A starts at 17:20 on Friday August 18, 2006 ending at 18:09. The A4 northern resident killer whale matriline (Orcinus orca) was heard rubbing on the pebbles at Main Beach and vocalizing. Strong rubs were heard at 17:21 and 17:24. A total of 12 discrete calls were identified and analyzed; N3 (17%) and N4 (83%).