[MARMAM] Vocal learning in a cross-fostered Risso's dolphin

Livio Favaro livio.favaro at unito.it
Tue Feb 16 12:21:15 PST 2016

Dear list members,

we are pleased to announce publication of the following manuscript: 

Favaro L., Neves S., Furlati S., Pessani D., Martin V. & Janik VM. (2016). Evidence suggests vocal production learning in a cross-fostered Risso’s dolphin (Grampus griseus). Animal Cognition. doi: 10.1007/s10071-016-0961-x

Vocal learning is a rare skill in mammals, and we have limited information about the contexts in which they use it. Previous studies suggested that cetaceans in general are skilled at imitating sounds, but only few species have been studied to date. To expand this investigation to another species and to investigate the possible influence of the social environment on vocal learning, we studied the whistle repertoire of a female Risso’s dolphin (Grampus griseus) that was stranded at an early age and was subsequently raised in a group of bottlenose dolphins (Tursiops truncatus). We show that this cross-fostered animal produced vocal signals more akin to those of its Tursiops poolmates than those of Risso’s dolphins in the wild. This is one of very few systematic cross-fostering studies in cetaceans and the first to suggest vocal production learning in the Risso’s dolphin. Our findings also suggest that social experience is a major factor in the development of the vocal repertoire in this species.

The full text is available for download online at: http://link.springer.com/article/10.1007/s10071-016-0961-x <http://link.springer.com/article/10.1007/s10071-016-0961-x>

Best wishes,
Livio Favaro

Livio Favaro, PhD
Università degli Studi di Torino
Dip. Scienze della Vita e Biologia dei Sistemi
Laboratorio di Zoologia e Biologia Marina
Via Accademia Albertina, 13 - 10123 Torino
Tel.    +39.011.6704538 / 78
Fax    +39.011.6704508
e-mail livio.favaro at unito.it <mailto:livio.favaro at unito.it> <http://www.sibm.it/47%20SIBM/principale47sibm.htm>
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