Found in oceans worldwide, orcas display sophisticated hunting techniques and social behaviors that have been described by experts as manifestations of a shared culture. Like other dolphins, orcas produce a variety of vocalizations used for communication and echolocation. Orca mothers have even been observed training their young in the group’s dialect, and it is said that groups that share ancestors are likely to have a similar set of call types. What does this suggest about orca vocal behavior? Discuss