{"id":24428,"date":"2021-03-16T15:20:49","date_gmt":"2021-03-16T14:20:49","guid":{"rendered":"https:\/\/whalesanddolphins.tethys.org\/cosa-comunicano-i-capodogli-con-i-trumpet\/"},"modified":"2021-03-16T15:23:16","modified_gmt":"2021-03-16T14:23:16","slug":"cosa-comunicano-i-capodogli-con-i-trumpet","status":"publish","type":"post","link":"https:\/\/whalesanddolphins.tethys.org\/it\/cosa-comunicano-i-capodogli-con-i-trumpet\/","title":{"rendered":"Cosa comunicano i capodogli con i \u201ctrumpet\u201d?"},"content":{"rendered":"\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-5cpo6jf-b9bf384d1f53d7a40e8e4b05b46d8867\">\n.flex_column.av-5cpo6jf-b9bf384d1f53d7a40e8e4b05b46d8867{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-5cpo6jf-b9bf384d1f53d7a40e8e4b05b46d8867 av_one_full  avia-builder-el-0  el_before_av_one_full  avia-builder-el-first  first flex_column_div av-zero-column-padding  '     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-kmc361po-8b6fdc5b42bd873b9ed34146e1530f0e\">\n#top .av-special-heading.av-kmc361po-8b6fdc5b42bd873b9ed34146e1530f0e{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-kmc361po-8b6fdc5b42bd873b9ed34146e1530f0e .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-kmc361po-8b6fdc5b42bd873b9ed34146e1530f0e .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-kmc361po-8b6fdc5b42bd873b9ed34146e1530f0e av-special-heading-h1  avia-builder-el-1  avia-builder-el-no-sibling '><h1 class='av-special-heading-tag '  itemprop=\"headline\"  >Cosa comunicano i capodogli con i <span class='special_amp'>\u201c<\/span>trumpet<span class='special_amp'>\u201d<\/span>?<\/h1><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-51htuwr-1d6f4b38b76a9bbbedd9303e6cde1e5d\">\n.flex_column.av-51htuwr-1d6f4b38b76a9bbbedd9303e6cde1e5d{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-51htuwr-1d6f4b38b76a9bbbedd9303e6cde1e5d av_one_full  avia-builder-el-2  el_after_av_one_full  el_before_av_one_full  first flex_column_div av-zero-column-padding  column-top-margin'     ><div  class='avia-slideshow av-kmc3b1l2-75a589fd443a0fcfca689e8353c144c0 avia-slideshow-featured av_slideshow avia-slide-slider  avia-builder-el-3  avia-builder-el-no-sibling  av-slideshow-ui av-control-default av-slideshow-manual av-loop-once av-loop-manual-endless av-default-height-applied avia-slideshow-1' data-slideshow-options=\"{&quot;animation&quot;:&quot;slide&quot;,&quot;autoplay&quot;:false,&quot;loop_autoplay&quot;:&quot;once&quot;,&quot;interval&quot;:5,&quot;loop_manual&quot;:&quot;manual-endless&quot;,&quot;autoplay_stopper&quot;:false,&quot;noNavigation&quot;:false,&quot;bg_slider&quot;:false,&quot;keep_padding&quot;:false,&quot;hoverpause&quot;:false,&quot;show_slide_delay&quot;:0}\"  itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><ul class='avia-slideshow-inner ' style='padding-bottom: 28.666666666667%;'><li  class='avia-slideshow-slide av-kmc3b1l2-75a589fd443a0fcfca689e8353c144c0__0  av-single-slide slide-1 slide-odd'><div data-rel='slideshow-1' class='avia-slide-wrap '   ><img decoding=\"async\" fetchpriority=\"high\" class=\"wp-image-24413 avia-img-lazy-loading-not-24413\"  src=\"https:\/\/whalesanddolphins.tethys.org\/wp-content\/uploads\/2021\/03\/sperm-whale-tethys-pierantonio-1500x430.jpg\" width=\"1500\" height=\"430\" title='sperm-whale-tethys-pierantonio' alt=''  itemprop=\"thumbnailUrl\"   \/><\/div><\/li><\/ul><\/div><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-3yl5h4r-f1db8af789896d9bcd67e0cb69b11df2\">\n.flex_column.av-3yl5h4r-f1db8af789896d9bcd67e0cb69b11df2{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-3yl5h4r-f1db8af789896d9bcd67e0cb69b11df2 av_one_full  avia-builder-el-4  el_after_av_one_full  el_before_av_one_full  first flex_column_div av-zero-column-padding  column-top-margin'     ><section  class='av_textblock_section av-kmc3cg1t-3cf0f0c43ade9f907460fe8f8a889816 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><p>I capodogli (<em>Physeter macrocephalus<\/em>) emettono una serie di complessi e affascinanti suoni; tra questi il cosiddetto \u201ctrumpet\u201d (trombetta) \u00e8 uno dei pi\u00f9 misteriosi, emesso all\u2019inizio dell\u2019immersione e apparentemente solo dai maschi. Il progetto Cetacean Sanctuary Research di Tethys ne ha registrati pi\u00f9 di 200 da 86 individui diversi nell\u2019arco di oltre 20 anni, nel corso delle attivit\u00e0 nel Santuario Pelagos. Questa grossa base dati ha reso possibile la realizzazione di un lavoro scientifico pubblicato in questi giorni dalla prestigiosa rivista <a href=\"https:\/\/rdcu.be\/cgL1U\" target=\"_blank\" rel=\"noopener\">Scientific Reports<\/a> di Nature dove gli autori\u00a0 hanno analizzato le caratteristiche acustiche di questo suono e il contesto di emissione allo scopo di \u00a0capirne il significato funzionale.<\/p>\n<p>Registrati per la prima volta in Mediterraneo nel 1996 dal team CIBRA-UNIPV, e successivamente durante le crociere SIRENA 1999-2008 del NURC di La Spezia, i trumpet sono poi stati documentati regolarmente dal progetto CSR di Tethys attraverso le attivit\u00e0 di monitoraggio acustico e visivo , dimostrando che questo suono , seppur emesso da determinati individui , \u00e8 una componente comune e costante nel tempo nel repertorio acustico del capodoglio. L\u2019articolo, a firma di ricercatori dell\u2019Universit\u00e0 La Sapienza di Roma, dell\u2019Istituto Tethys e dell\u2019Universit\u00e0 di Pavia, descrive il fenomeno e avanza alcune intriganti ipotesi su quale ne sia il significato.<\/p>\n<\/div><\/section><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-3m1oh3v-24067d0d3dd39dca04a5fc3e7ca3492a\">\n.flex_column.av-3m1oh3v-24067d0d3dd39dca04a5fc3e7ca3492a{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-3m1oh3v-24067d0d3dd39dca04a5fc3e7ca3492a av_one_full  avia-builder-el-6  el_after_av_one_full  el_before_av_one_full  first flex_column_div av-zero-column-padding  column-top-margin'     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-kmc3f3vd-efd4ec0275d25b74936baad76ffbc240\">\n.avia-image-container.av-kmc3f3vd-efd4ec0275d25b74936baad76ffbc240 img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-kmc3f3vd-efd4ec0275d25b74936baad76ffbc240 .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-kmc3f3vd-efd4ec0275d25b74936baad76ffbc240 av-styling- avia-align-center  avia-builder-el-7  el_before_av_textblock  avia-builder-el-first '   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img decoding=\"async\" fetchpriority=\"high\" class='wp-image-24415 avia-img-lazy-loading-not-24415 avia_image ' src=\"https:\/\/whalesanddolphins.tethys.org\/wp-content\/uploads\/2021\/03\/trumpet-spectogram-2.jpg\" alt='' title='trumpet-spectogram-2'  height=\"278\" width=\"852\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/whalesanddolphins.tethys.org\/wp-content\/uploads\/2021\/03\/trumpet-spectogram-2.jpg 852w, https:\/\/whalesanddolphins.tethys.org\/wp-content\/uploads\/2021\/03\/trumpet-spectogram-2-300x98.jpg 300w, https:\/\/whalesanddolphins.tethys.org\/wp-content\/uploads\/2021\/03\/trumpet-spectogram-2-768x251.jpg 768w, https:\/\/whalesanddolphins.tethys.org\/wp-content\/uploads\/2021\/03\/trumpet-spectogram-2-705x230.jpg 705w, https:\/\/whalesanddolphins.tethys.org\/wp-content\/uploads\/2021\/03\/trumpet-spectogram-2-450x147.jpg 450w\" sizes=\"(max-width: 852px) 100vw, 852px\" \/><\/div><\/div><\/div><br \/>\n<section  class='av_textblock_section av-kmc3v9ac-b792e6e27f1c034e4a9dd41c9e402ca5 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><p>Ascolta i trumpet<\/p>\n<\/div><\/section><br \/>\n<div id=\"av_player-1\" class=\"av-player av-player-container av-kmc3fth7-9e323f9cce6de023153d2930f70263ec avia-playerstyle-classic av_player-1  avia-builder-el-9  el_after_av_textblock  avia-builder-el-last  first avia-playlist-hide-cover\"><div class=\"av-player-player-container\"><div class=\"wp-playlist wp-audio-playlist wp-playlist-light\">\n\t\t\t<div class=\"wp-playlist-current-item\"><\/div>\n\t\t<audio controls=\"controls\" preload=\"none\" width=\"1478\"\n\t\t\t><\/audio>\n\t<div class=\"wp-playlist-next\"><\/div>\n\t<div class=\"wp-playlist-prev\"><\/div>\n\t<noscript>\n\t<ol>\n\t\t<li><a href='https:\/\/whalesanddolphins.tethys.org\/wp-content\/uploads\/2021\/03\/CSR_20120824-185259_Trumpet-1.wav'>CSR_20120824 185259_Trumpet (1)<\/a><\/li><li><a href='https:\/\/whalesanddolphins.tethys.org\/wp-content\/uploads\/2021\/03\/CSR_20160809_130136_248_Trumpet-1.wav'>CSR_20160809_130136_248_Trumpet (1)<\/a><\/li>\t<\/ol>\n\t<\/noscript>\n\t<script type=\"application\/json\" class=\"wp-playlist-script\">{\"type\":\"audio\",\"tracklist\":true,\"tracknumbers\":true,\"images\":false,\"artists\":true,\"tracks\":[{\"src\":\"https:\/\/whalesanddolphins.tethys.org\/wp-content\/uploads\/2021\/03\/CSR_20120824-185259_Trumpet-1.wav\",\"type\":\"audio\/wav\",\"title\":\"CSR_20120824 185259_Trumpet (1)\",\"caption\":\"\",\"description\":\"\\\"CSR_20120824 185259_Trumpet (1)\\\".\",\"meta\":{\"length_formatted\":\"0:03\"}},{\"src\":\"https:\/\/whalesanddolphins.tethys.org\/wp-content\/uploads\/2021\/03\/CSR_20160809_130136_248_Trumpet-1.wav\",\"type\":\"audio\/wav\",\"title\":\"CSR_20160809_130136_248_Trumpet (1)\",\"caption\":\"\",\"description\":\"\\\"CSR_20160809_130136_248_Trumpet (1)\\\".\",\"meta\":{\"length_formatted\":\"0:03\"}}]}<\/script>\n<\/div>\n\t<\/div><\/div><\/p><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-kmc3mrhl-e33cd07eb5639d0499e0bcedc846f7f7\">\n.flex_column.av-kmc3mrhl-e33cd07eb5639d0499e0bcedc846f7f7{\nborder-radius:0px 0px 0px 0px;\npadding:20px 20px 20px 20px;\nbackground-color:#0675d9;\n}\n<\/style>\n<div  class='flex_column av-kmc3mrhl-e33cd07eb5639d0499e0bcedc846f7f7 av_one_full  avia-builder-el-10  el_after_av_one_full  el_before_av_one_full  first flex_column_div  column-top-margin'     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-kmc3gg8e-5b8744d163d7bce227f30fd9d75c99d8\">\n#top .av_textblock_section.av-kmc3gg8e-5b8744d163d7bce227f30fd9d75c99d8 .avia_textblock{\ncolor:#ffffff;\n}\n<\/style>\n<section  class='av_textblock_section av-kmc3gg8e-5b8744d163d7bce227f30fd9d75c99d8 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock av_inherit_color'  itemprop=\"text\" ><p>Pace, D.S., Lanfredi, C., Airoldi, S.\u00a0<em>et al.<\/em>\u00a0Trumpet sounds emitted by male sperm whales in the Mediterranean Sea.\u00a0<em>Sci Rep<\/em>\u00a0<strong>11,\u00a0<\/strong>5867 (2021). <a href=\"https:\/\/doi.org\/10.1038\/s41598-021-84126-8\">https:\/\/doi.org\/10.1038\/s41598-021-84126-8<\/a><\/p>\n<\/div><\/section><\/div><\/p>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-1yl0fjv-27bbda24b4ae99838aecf645c38f1df9\">\n.flex_column.av-1yl0fjv-27bbda24b4ae99838aecf645c38f1df9{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-1yl0fjv-27bbda24b4ae99838aecf645c38f1df9 av_one_full  avia-builder-el-12  el_after_av_one_full  el_before_av_one_full  first flex_column_div av-zero-column-padding  column-top-margin'     ><section  class='av_textblock_section av-kmc3hlb2-0e8aae275b8cea1974d9a15f207efcc1 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><h3>Abstract<\/h3>\n<p>Sperm whale trumpets are sounds only occasionally documented, with a well recognisable and stereotyped acoustic arrangement. This study investigated the acoustic features of the trumpets and the context in which these sounds were recorded, using acoustic data collected over 22 years, in the Pelagos Sanctuary area (North-Western Mediterranean Sea). Analysed trumpets (n = 230), recorded<br \/>\nat the beginning of a dive after the whale fluke-up, comprised a series of acoustic units organized in short sequences. Acoustic parameters were derived for the entire trumpet and for each distinguishable unit in a trumpet. Overall, trumpet durations and their initial frequencies were higher in recordings collected when multiple whales were visually or acoustically detected in the observation area. The identity of 68 whales was assessed through photo-identification, with 29 individuals producing trumpets within and between years. The variability of the acoustic parameters appeared to be higher within the same individuals rather than between different individuals, suggesting an individual plasticity in composing and arranging units in a trumpet. Different click patterns were observed before and after the trumpets, with more complex sequences when (1) other whales were visually\/ acoustically detected, and (2) individuals were in suitable foraging sites (i.e., canyon areas). Trumpets were commonly followed or preceded by click patterns suited for communication, such as codas and\/ or slow clicks. Significant relations between the trumpet emission and the male-only long-range communication click pattern (i.e. slow clicks) emerged, supporting the hypothesis that a trumpet is a sound emitted by maturing\/mature males in feeding grounds. This study provides the first evidence that trumpets were conserved in the sperm whale acoustic repertoire at the decadal timescale, persisting across years and individuals in the same area. 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