Differences in acoustic features of vocalizations produced by killer whales cross-socialized with bottlenose dolphins

摘要: Limited previous evidence suggests that killer whales (Orcinus orca) are capable of vocal production learning. However, contextual learning has not been studied, nor the factors promoting Vocalizations were collected from three with a history exposure to bottlenose dolphins (Tursiops truncatus) and compared data seven held conspecifics nine dolphins. The whales' repertoires distinguishable by higher proportion click trains whistles. Time-domain features intermediate between those These differences provided for One whale spontaneously learned produce artificial chirps taught dolphins; acoustic fell within range inter-individual among This also produced whistles similar stereotyped whistle one dolphin. Thus, results provide further support show That when associated another species substantial plasticity motivation conformity social associates.