How do killer whales communicate?

Killer whales probably rely on sound production and reception to navigate, communicate, and hunt in dark or murky waters. Under these ... Killer whales produce sounds for two overlapping functions: communicating and navigation (in the form of echolocation). ... The larynx of a killer whale does not have vocal cords. read more

The methods these whales use to communicate can be as diverse as the various species of whale that exist. Whales are an extremely intelligent species and it is believed that their communication is one of the most sophisticated forms of communication among all animal species. read more

Notably, studying northern resident killer whales, researchers found that the whales produced more whistles when they were close to other individuals and only sporadically emitted them when the whales were dispersed over larger areas. read more