First look at humpback whale (Megaptera novaeangliae) song structure from western South Africa

Show simple item record Hawkey, James Seymour Elwen, Simon Harvey James, Bridget Susan Prinsloo, Alexa Simone Gridley, Tess 2021-10-21T05:58:28Z 2021-10-21T05:58:28Z 2020
dc.description.abstract Humpback whales are known for their complex and well-structured song that is typically produced on low-latitude breeding grounds. However, there is increasing evidence of song production on migration routes and high-latitude feeding grounds. Within a breeding ground and season, males share songs that progressively change over time. Song production on migration routes leads to the cultural transmission and sharing of songs. This is the first assessment of song structure in humpback whales recorded near Cape Town, South Africa. Song was identified in recordings made between 9 September 2016 and 21 October 2016 on a moored hydrophone located in Fish Hoek, False Bay. Thirty-nine song sessions were recorded, consisting of nine distinct units, forming ten themes. Themes occasionally overlapped in time, indicating multiple simultaneous singers. They were repeated on multiple days with consistent patterns in theme transition, demonstrating song sharing amongst individuals. Convergence on a similar song structure suggests singing whales originate from the same breeding stock. We propose that an unknown proportion of these whales continue to sing beyond the recognised breeding season. These data support previous studies that found that singing is not restricted to low-latitude breeding sites. en_ZA
dc.description.department Zoology and Entomology en_ZA
dc.description.librarian hj2021 en_ZA
dc.description.sponsorship Sea Search Research and Conservation NPO and the South African National Research Foundation. en_ZA
dc.description.uri en_ZA
dc.identifier.citation James Seymour Hawkey, Simon Harvey Elwen, Bridget Susan James, Alexa Simone Prinsloo & Tess Gridley (2020) First look at humpback whale (Megaptera novaeangliae) song structure from western South Africa, African Zoology, 55:3, 224-232, DOI: 10.1080/15627020.2020.1796524. en_ZA
dc.identifier.issn 1562-7020 (print)
dc.identifier.issn 2224-073X (online)
dc.identifier.other 10.1080/15627020.2020.1796524
dc.language.iso en en_ZA
dc.publisher NISC (Pty) Ltd and Informa UK Limited (trading as Taylor and Francis Group) en_ZA
dc.rights © Zoological Society of Southern Africa. This is an electronic version of an article published in African Zoology, vol. 55, no. 3, pp. 224-232, 2020. doi : 10.1080/15627020.2020.1796524. African Zoology is available online at : en_ZA
dc.subject Humpback whales (Megaptera novaeangliae) en_ZA
dc.subject Breeding en_ZA
dc.subject Singing en_ZA
dc.subject Suspended migration en_ZA
dc.subject Vocalisation en_ZA
dc.title First look at humpback whale (Megaptera novaeangliae) song structure from western South Africa en_ZA
dc.type Postprint Article en_ZA

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