Secret communication of sea animals discovered<\/span><\/h1>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u6d77\u7363\u306e\u79d8\u5bc6\u306e\u30b3\u30df\u30e5\u30cb\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u767a\u898b<\/b><\/p>\n
<\/p>\n
A scientist has found that 53 sea creatures previously thought to be silent can actually communicate.<\/b><\/p>\n
\u3042\u308b\u79d1\u5b66\u8005\u304c\u3001<\/span>\u3053\u308c\u307e\u3067\u6c88\u9ed9\u3057\u3066\u3044\u308b\u3068\u601d\u308f\u308c\u3066\u3044\u305f<\/b>53\u306e\u6d77\u306e\u751f\u304d\u7269\u304c\u3001\u5b9f\u306f\u30b3\u30df\u30e5\u30cb\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u3068\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3053\u3068\u3092\u767a\u898b\u3057\u305f\u3002<\/span><\/p>\nThe creatures were sending message <\/span>all along<\/b>, but humans <\/span>had never thought to listen to<\/b> them, Gabriel Jorgewich-Cohen suggests.<\/span><\/p>\nGabriel Jorgewich-Cohen\u306f\u3001\u751f\u7269\u306f<\/span>\u305a\u3063\u3068<\/b>\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u9001\u3063\u3066\u3044\u305f\u304c\u3001\u4eba\u9593\u304c\u305d\u308c<\/span>\u3092\u805e\u3053\u3046\u3068\u601d\u3063\u305f\u3053\u3068\u306f\u306a\u304b\u3063\u305f<\/b>\u3068\u793a\u5506\u3057\u3066\u3044\u308b\u3002<\/span><\/p>\nHe used microphones to record the species, including turtles, communicating they wanted to <\/span>mate or hatch from the egg.<\/b><\/p>\n\u5f7c\u306f\u3001\u30ab\u30e1\u3092\u542b\u3080\u751f\u7269\u305f\u3061\u304c\u3001<\/span>\u4ea4\u5c3e\u3084\u5375\u304b\u3089\u306e\u5b75\u5316\u3092<\/b>\u671b\u3093\u3067\u3044\u308b\u3053\u3068\u3092\u3001\u30de\u30a4\u30af\u30ed\u30d5\u30a9\u30f3\u3092\u4f7f\u3063\u3066\u9332\u97f3\u3057\u305f\u3002<\/span><\/p>\nThe findings claim to <\/span>re-write <\/b>some of what we know about evolution.<\/span><\/p>\nThey suggest that <\/span>all vertebrates<\/b> that breathe through their noses and use sound to communicate <\/span>descended from<\/b> a single ancestor 400 million years ago.<\/span><\/p>\n\u3053\u306e\u767a\u898b\u306f\u3001\u79c1\u305f\u3061\u304c\u9032\u5316\u306b\u3064\u3044\u3066\u77e5\u3063\u3066\u3044\u308b\u3053\u3068\u306e\u3044\u304f\u3064\u304b\u3092<\/span>\u66f8\u304d\u63db\u3048\u308b<\/b>\u3082\u306e\u3067\u3042\u308b\u3002<\/span><\/p>\n\u9f3b\u547c\u5438\u3092\u3057\u3001\u97f3\u3067\u30b3\u30df\u30e5\u30cb\u30b1\u30fc\u30b7\u30e7\u30f3\u3059\u308b<\/span>\u3059\u3079\u3066\u306e\u810a\u690e\u52d5\u7269<\/b>\u306f\u30014\u5104\u5e74\u524d\u306b\u4e00\u3064\u306e<\/span>\u7956\u5148\u304b\u3089\u751f\u307e\u308c\u305f<\/b>\u3068\u3044\u3046\u306e\u3067\u3042\u308b\u3002<\/span><\/p>\n <\/p>\n
<\/p>\n
It is a strong claim in evolutionary biology which debates whether living things descended from a single ancestor or from multiple origins.<\/span><\/p>\n\u3053\u308c\u306f\u3001\u751f\u7269\u304c\u5358\u4e00\u306e\u7956\u5148\u304b\u3089\u6d3e\u751f\u3057\u305f\u306e\u304b\u3001\u305d\u308c\u3068\u3082\u8907\u6570\u306e\u7956\u5148\u304b\u3089\u6d3e\u751f\u3057\u305f\u306e\u304b\u3092\u8b70\u8ad6\u3059\u308b\u9032\u5316\u751f\u7269\u5b66\u306b\u304a\u3044\u3066\u3001\u5f37\u3044\u4e3b\u5f35\u3067\u3042\u308b\u3002<\/span><\/p>\n <\/p>\n
Mr Jorgewich-Cohen, a PhD student at University of Zurich, Switzerland began his work <\/span>with a hunch<\/b> that marine animals might communicate with sound.<\/span><\/p>\n\u30b9\u30a4\u30b9\u306e\u30c1\u30e5\u30fc\u30ea\u30c3\u30d2\u5927\u5b66\u3067\u535a\u58eb\u8ab2\u7a0b\u306b\u5728\u7c4d\u3059\u308b\u30b8\u30e7\u30eb\u30b8\u30a6\u30a3\u30c3\u30c1\uff1d\u30b3\u30fc\u30a8\u30f3\u6c0f\u306f\u3001\u6d77\u6d0b\u52d5\u7269\u304c\u97f3\u3067\u30b3\u30df\u30e5\u30cb\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u3068\u3063\u3066\u3044\u308b\u306e\u3067\u306f\u306a\u3044\u304b\u3068\u3044\u3046<\/span>\u76f4\u611f\u304b\u3089<\/b>\u7814\u7a76\u3092\u59cb\u3081\u305f\u3002<\/span><\/p>\n <\/p>\n
He used sound and video equipment to record 53 species <\/span>in captivity<\/b> around the world, including at Chester Zoo in England.<\/span><\/p>\nThe creatures included 50 turtles, a tuatara, a lungfish and a caecilian.<\/span><\/p>\n\u5f7c\u306f\u3001\u30a4\u30ae\u30ea\u30b9\u306e\u30c1\u30a7\u30b9\u30bf\u30fc\u52d5\u7269\u5712\u3092\u542b\u3080\u3001\u4e16\u754c\u4e2d\u306e<\/span>\u98fc\u80b2\u3055\u308c\u3066\u3044\u308b<\/b>53\u7a2e\u306e\u52d5\u7269\u3092\u97f3\u97ff\u3068\u30d3\u30c7\u30aa\u306e\u88c5\u7f6e\u3067\u8a18\u9332\u3057\u305f\u3002<\/span><\/p>\n\u305d\u306e\u4e2d\u306b\u306f\u300150\u5339\u306e\u30ab\u30e1\u3001\u30c8\u30a5\u30a2\u30bf\u30e9\u3001\u80ba\u9b5a\u3001\u30ab\u30a4\u30ae\u30e5\u30a6\u306a\u3069\u304c\u542b\u307e\u308c\u3066\u3044\u305f\u3002<\/span><\/p>\n <\/p>\n
It had been thought that all these animals were <\/span>mute <\/b>but Mr Jorgewich-Cohen suggests they went <\/span>unheard<\/b> because their sounds were hard to detect.<\/span><\/p>\n\u3053\u308c\u3089\u306e\u52d5\u7269\u306f\u3059\u3079\u3066\u7121\u8a00\u3067\u3042\u308b\u3068\u8003\u3048\u3089\u308c\u3066\u304d\u305f\u304c\u3001\u30b8\u30e7\u30eb\u30b8\u30a6\u30a3\u30c3\u30c1\uff1d\u30b3\u30fc\u30a8\u30f3\u6c0f\u306f\u3001\u305d\u308c\u3089\u306e\u9cf4\u304d\u58f0\u304c\u611f\u77e5\u3055\u308c\u306b\u304f\u304b\u3063\u305f\u305f\u3081\u306b\u805e\u3053\u3048\u306a\u304b\u3063\u305f\u306e\u3060\u3068\u793a\u5506\u3057\u3066\u3044\u308b\u3002<\/p>\n
“We know when a bird sings. You don’t need anyone to tell you what it is. But some of these animals are very quiet or make a sound <\/span>every two days<\/b>,” he told BBC News.<\/span><\/p>\nMr Jorgewich-Cohen also suggested that humans have a bias towards creatures that live on land and so they ignored species underwater.<\/span><\/p>\n\u300c\u79c1\u305f\u3061\u306f\u9ce5\u306e\u9cf4\u304d\u58f0\u3092\u77e5\u3063\u3066\u3044\u307e\u3059\u3002\u9ce5\u306e\u9cf4\u304d\u58f0\u306f\u8ab0\u306b\u3082\u6559\u3048\u3066\u3082\u3089\u3046\u5fc5\u8981\u304c\u3042\u308a\u307e\u305b\u3093\u3002\u3057\u304b\u3057\u3001\u3053\u308c\u3089\u306e\u52d5\u7269\u306e\u4e2d\u306b\u306f\u3001\u975e\u5e38\u306b\u9759\u304b\u306a\u3082\u306e\u3084\u3001<\/span>2\u65e5\u306b1\u56de<\/b>\u3057\u304b\u9cf4\u304b\u306a\u3044\u3082\u306e\u3082\u3044\u307e\u3059\u300d\u3068BBC News\u306b\u8a9e\u3063\u305f\u3002<\/span><\/p>\n\u307e\u305f\u3001Jorgewich-Cohen\u6c0f\u306f\u3001\u4eba\u9593\u306f\u9678\u4e0a\u306b\u4f4f\u3080\u751f\u7269\u306b\u504f\u308a\u304c\u3042\u308b\u305f\u3081\u3001\u6c34\u4e2d\u306e\u7a2e\u3092\u7121\u8996\u3057\u3066\u3044\u308b\u306e\u3067\u306f\u306a\u3044\u304b\u3068\u3082\u6307\u6458\u3057\u305f\u3002<\/span><\/p>\n <\/p>\n
Video recorded of the animals when they made noise<\/b> allowed him to connect sound with <\/span>an associated behaviour <\/b>– to distinguish from accidental sounds that don’t send a message.<\/span><\/p>\n“Sea turtles will sing from within their egg to <\/span>synchronise<\/b> hatching,” he explained.<\/span><\/p>\n“If they call from inside, they all come out together and hopefully <\/span>avoid being eaten<\/b>.”<\/span><\/p>\n\u52d5\u7269\u304c\u9cf4\u3044\u305f\u3068\u304d\u306b\u9332\u753b\u3057\u305f\u30d3\u30c7\u30aa<\/b>\u306b\u3088\u3063\u3066\u3001\u97f3\u3068<\/span>\u95a2\u9023\u3059\u308b\u884c\u52d5<\/b>\u3092\u7d50\u3073\u3064\u3051\u3001\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u9001\u3089\u306a\u3044\u5076\u767a\u7684\u306a\u97f3\u3068\u533a\u5225\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u3063\u305f\u306e\u3067\u3059\u3002<\/span><\/p>\n <\/p>\n
\u300c\u30a6\u30df\u30ac\u30e1\u306f\u5375\u306e\u4e2d\u304b\u3089\u9cf4\u304d\u3001\u5b75\u5316\u306e<\/span>\u30bf\u30a4\u30df\u30f3\u30b0\u3092\u5408\u308f\u305b\u307e\u3059<\/b>\u300d\u3068\u5f7c\u306f\u8aac\u660e\u3059\u308b\u3002<\/span><\/p>\n <\/p>\n
\u300c\u3082\u3057\u3001\u4e2d\u304b\u3089\u9cf4\u3051\u3070\u3001\u307f\u3093\u306a\u4e00\u7dd2\u306b\u51fa\u3066\u304d\u3066\u3001\u3046\u307e\u304f\u3044\u3051\u3070\u3001<\/span>\u98df\u3079\u3089\u308c\u305a\u306b\u3059\u3080<\/b>\u306e\u3067\u3059\u300d\u3002<\/span><\/p>\n <\/p>\n
He concluded that all <\/span>acoustic communication<\/b> in vertebrates descended from a single ancestor 400 million years ago, which was the Devonian period when most species lived under water.<\/span><\/p>\nThat <\/span>contrasts to<\/b> recent work that\u00a0<\/span>traced<\/b> communicative sound<\/span> to<\/b> several different species\u00a0200 million years ago.<\/span><\/p>\n\u535a\u58eb\u306f\u3001\u810a\u690e\u52d5\u7269\u306e\u3059\u3079\u3066\u306e<\/span>\u97f3\u97ff\u30b3\u30df\u30e5\u30cb\u30b1\u30fc\u30b7\u30e7\u30f3<\/b>\u306f\u30014\u5104\u5e74\u524d\u306e\u5358\u4e00\u306e\u7956\u5148\u306e\u5b50\u5b6b\u3067\u3042\u308b\u3068\u7d50\u8ad6\u3065\u3051\u305f\u3002<\/span><\/p>\n\u3053\u308c\u306f\u30012\u5104\u5e74\u524d\u306b\u3044\u304f\u3064\u304b\u306e\u7570\u306a\u308b\u7a2e\u306b\u30b3\u30df\u30e5\u30cb\u30b1\u30fc\u30b7\u30e7\u30f3\u97f3\u58f0\u304c<\/span>\u3082\u305f\u3089\u3055\u308c\u305f<\/b>\u3068\u3059\u308b\u6700\u8fd1\u306e\u7814\u7a76\u7d50\u679c\u3068<\/span>\u306f\u5bfe\u7167\u7684\u3067\u3042\u308b<\/b>\u3002<\/span><\/p>\n <\/p>\n
\u301c\u307e\u3068\u3081\u301c<\/span><\/h2>\n <\/p>\n
\u653f\u6cbb\u30fb\u7d4c\u6e08\u3060\u3051\u3067\u306a\u304f\u3001\u751f\u7269\u3084\u79d1\u5b66\u3001\u6700\u65b0\u6280\u8853\u3001\u65e5\u5e38\u30c8\u30d4\u30c3\u30af\u306a\u3069\u3001\u5e45\u5e83\u304f\u8aad\u3093\u3067\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/span><\/p>\n\u597d\u304d\u306a\u8a18\u4e8b\u306f\u305c\u3072\u97f3\u8aad\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/span><\/p>\n <\/p>\n
\u6700\u5f8c\u307e\u3067\u304a\u8aad\u307f\u3044\u305f\u3060\u304d\u3042\u308a\u304c\u3068\u3046\u3054\u3056\u3044\u307e\u3057\u305f\u3002<\/span><\/p>\n <\/p>\n","protected":false},"excerpt":{"rendered":"
\u307f\u306a\u3055\u3093\u3001\u3053\u3093\u306b\u3061\u306f\u3002 \u301c\u306f\u3058\u3081\u306b\u301c \u82f1\u8a9e\u5b66\u7fd2\u4e2d\u7d1a\u8005\u306e\u65b9\u306b\u304a\u52e7\u3081\u306e\u82f1\u8a9e\u4e0a\u9054\u6cd5\u306f\u3001\u751f\u306e\u82f1\u8a9e\u306b\u89e6\u308c\u3066\u3001\u8a9e\u5f59\u3092\u5897\u3084\u3059\u3053\u3068\u3067\u3059\u3002\u305d\u3093\u306a\u307f\u306a\u3055\u3093\u306b\u3074\u3063\u305f\u308a\u306e\u5b66\u7fd2\u6cd5\u306e\u4e00\u3064\u306f\u3001\u300c\u82f1\u5b57\u65b0\u805e\u3092\u8aad\u3082\u3046\u300d\u3068\u3044\u3046\u3053\u3068\u3067\u30b7\u30ea\u30fc\u30ba\u3067\u304a\u5c4a\u3051\u3057\u3066\u3044\u307e\u3059\u3002 \u524d\u56de\u306e\u8a18\u4e8b\u306f\u8aad\u3093\u3067\u3044\u305f\u3060\u3051\u307e\u3057\u305f\u3067\u3057\u3087\u3046\u304b\uff1f \u203b\u30b7\u30ea\u30fc\u30ba\u524d\u56de\u306e\u8a18\u4e8b\u300c\u3010\u82f1\u8a9e\u5b66\u7fd2\u306e\u30b3\u30c4\uff01\u4e2d\u7d1a\u8005\u5411\u3051\u3011\u82f1\u5b57\u65b0\u805e\u3092\u8aad\u3082\u3046\uff01\u246e\u300d\u3092\u898b\u9003\u3057\u305f\u65b9\u306f\u3053\u3061\u3089\u304b\u3089\u3069\u3046\u305e\uff01 \u4eca\u56de\u306f\u3001…<\/p>\n","protected":false},"author":83,"featured_media":16833,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[5],"tags":[255,130,285],"class_list":{"0":"post-16822","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-learning","8":"tag-255","9":"tag-130","10":"tag-285","11":"article cf"},"acf":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.fruitfulenglish.com\/blog\/wp-json\/wp\/v2\/posts\/16822","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.fruitfulenglish.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.fruitfulenglish.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.fruitfulenglish.com\/blog\/wp-json\/wp\/v2\/users\/83"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fruitfulenglish.com\/blog\/wp-json\/wp\/v2\/comments?post=16822"}],"version-history":[{"count":5,"href":"https:\/\/www.fruitfulenglish.com\/blog\/wp-json\/wp\/v2\/posts\/16822\/revisions"}],"predecessor-version":[{"id":18844,"href":"https:\/\/www.fruitfulenglish.com\/blog\/wp-json\/wp\/v2\/posts\/16822\/revisions\/18844"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.fruitfulenglish.com\/blog\/wp-json\/wp\/v2\/media\/16833"}],"wp:attachment":[{"href":"https:\/\/www.fruitfulenglish.com\/blog\/wp-json\/wp\/v2\/media?parent=16822"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fruitfulenglish.com\/blog\/wp-json\/wp\/v2\/categories?post=16822"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fruitfulenglish.com\/blog\/wp-json\/wp\/v2\/tags?post=16822"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}