*Sound On* Beautiful footage of the Vocalisations of Northern Resident Orca A84 "Kloaitsis" fishing for Salmon on the Johnstone Strait. Orca vocalisations are the sounds that orcas, use to communicate and navigate in the ocean. Orcas make three primary types of vocalisations: clicks, whistles, and discrete calls. Clicks are used for echolocation, which helps orcas find their prey and avoid obstacles. Whistles are used for social communication, such as coordinating hunting strategies or expressin