Non-song vocalizations of pygmy blue whales in Geographe Bay, Western Australia | Zendy

Angela RecaldeSalas | Zendy; Chandra Salgado Kent | Zendy; Miles J. G. Parsons | Zendy; Sarah A. Marley | Zendy; Robert D. McCauley | Zendy

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Non-song vocalizations of pygmy blue whales in Geographe Bay, Western Australia

Author(s) -

Angela RecaldeSalas,

Chandra Salgado Kent,

Miles J. G. Parsons,

Sarah A. Marley,

Robert D. McCauley

Publication year - 2014

Publication title -

the journal of the acoustical society of america

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.619

H-Index - 187

eISSN - 1520-8524

pISSN - 0001-4966

DOI - 10.1121/1.4871581

Subject(s) - bay , context (archaeology) , underwater , population , geography , acoustics , geology , oceanography , archaeology , physics , demography , sociology

Non-song vocalizations of migrating pygmy blue whales (Balaenoptera musculus brevicauda) in Western Australia are described. Simultaneous land-based visual observations and underwater acoustic recordings detected 27 groups in Geographe Bay, WA over 2011 to 2012. Six different vocalizations were recorded that were not repeated in a pattern or in association with song, and thus were identified as non-song vocalizations. Five of these were not previously described for this population. Their acoustic characteristics and context are presented. Given that 56% of groups vocalized, 86% of which produced non-song vocalizations and 14% song units, the inclusion of non-song vocalizations in passive-acoustic monitoring is proposed.

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