Over 100 people came to the Quadra Community Centre on December 7, to learn about the acoustic dialects and social connections of Orca, Humpback and Fin Whales. Sierra Quadra invited Janie Wray –  CEO and co-founder of the North Coast Cetacean Society, BC Whales, and the manager of the BC Hydrophone Network – to share from her more than two decades of research.