{"pk":5457,"title":"Acoustic Localization Method Applied to the Analysis of Dolphin Calf Acoustical Exploratory Behavior Within its Social Group","subtitle":null,"abstract":"Exploratory behavior includes all the actions that an animal performs to obtain information about a new object, environment, or individual through using its different senses of perception. Here, we studied the development of the exploratory behavior of a bottlenose dolphin (\nTursiops truncatus\n) calf aged from 39 to 169 days by investigating its acoustic productions in relation to an immersed object handled by a familiar human without without the calf being isolated from the original social group. The study was conducted between July 2015 and January 2016 at Parc Asterix dolphinarium (Plailly, France). Simultaneous audio and video recordings were collected using a waterproof 360° audio-video system named BaBeL, which allows localization of the dolphin that is producing sounds. During 32 recording sessions, for a total duration of 6 hr 55 min of audio-video recordings, 46 click trains were attached to individual dolphins: 18 times to the calf, 11 times to its mother, and 17 times to another dolphin in the pool. When comparing the calf’s acoustical production to its mother’s, no significant differences were found in their click rate, mean click duration, or mean interclick interval (ICI). However, linear regression showed that calfs’ click rates increased with age and mean ICI decreased with age, probably due to an increase in its arousal. This nonintrusive methodology allows the description and analysis of acoustic signal parameters and acoustic exploratory behavior of a dolphin calf within its social group.","language":"en","license":{"name":"Creative Commons Attribution 4.0","short_name":"CC BY 4.0","text":"Attribution — You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.\r\n\r\nNo additional restrictions — You may not apply legal terms or technological measures that legally restrict others from doing anything the license permits.","url":"https://creativecommons.org/licenses/by/4.0"},"keywords":[{"word":"echolocation, laterality, Tursiops truncatus, hydrophone array, ontogenesis"}],"section":"Research Article","is_remote":true,"remote_url":"https://escholarship.org/uc/item/27x296vh","frozenauthors":[{"first_name":"Juliana","middle_name":"","last_name":"Lopez Marulanda","name_suffix":"","institution":"Université Paris Sud","department":"None"},{"first_name":"Noémie","middle_name":"","last_name":"Roynette","name_suffix":"","institution":"Laboratoire d’Ethologie Expérimentale et Comparée E.A. 4443 (LEEC), Université Paris 13, Sorbonne","department":"None"},{"first_name":"Torea","middle_name":"","last_name":"Blanchard","name_suffix":"","institution":"Institute of Neurosciences Paris Saclay, CNRS UMR 9197, University Paris Sud, Orsay France\nParc Astérix, 60128 Plailly, France","department":"None"},{"first_name":"Olivier","middle_name":"","last_name":"Adam","name_suffix":"","institution":"Institute of Neurosciences Paris Saclay, CNRS UMR 9197, University Paris Sud, Orsay France\nSorbonne Universités, UPMC Univ Paris 06, CNRS, UMR 7190, Institut Jean Le Rond d'Alembert,  F-75005 Paris, France","department":"None"},{"first_name":"Fabienne","middle_name":"","last_name":"Delfour","name_suffix":"","institution":"Laboratoire d’Ethologie Expérimentale et Comparée E.A. 4443 (LEEC), Université Paris 13, Sorbonne Paris Cité, F-93430 Villetaneuse, France\nParc Astérix, 60128 Plailly, France","department":"None"}],"date_submitted":"2017-10-16T01:07:57-07:00","date_accepted":"2017-10-16T01:07:57-07:00","date_published":"2019-05-16T12:33:07-07:00","render_galley":null,"galleys":[{"label":"","type":"","path":"https://journalpub.escholarship.org/uclapsych_ijcp/article/5457/galley/3292/download/"}]}