Call-type matching in vocal exchanges of free-ranging resident killer whales, Orcinus orca

Article Abstract:

Matrilineal group-specific call repertoires and a strong tendency for calls of the same type are revealed by the previous sound recordings of resident killer whale groups. Vocal exchanges of stereotyped calls with type matching appear to be an important aspect of intragroup calling on killer whales.

Sound production by animals, Animal vocalizations

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Within-pod variation in the sound production of a pod of killer whales, 'Orcinus orca'

Article Abstract:

A study is conducted into the mechanisms leading to pod-specific calling behaviour among killer whales. The results indicate that this type of behaviour mainly arises as a result of accumulated drift or divergence between cohesive matrilineal units, and occurs as they part to form alternative pods.

Telecommunications systems, Whales

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Stability and group specificity of stereotyped whistles in resident killer whales, Orcinus orca, off British Columbia

Article Abstract:

Whistle patterns for resident whales off the British Columbia coast are analyzed, revealing distinct, stereotyped whistles for both northern and southern community populations. The role of vocal learning between populations is also discussed.

British Columbia, Comparative analysis, Animal communication, Learning in animals, Animal learning, Acoustic properties

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