{"id":698,"date":"2014-01-14T15:05:17","date_gmt":"2014-01-14T15:05:17","guid":{"rendered":"http:\/\/www.123fakta.com\/da\/?p=698"},"modified":"2026-03-19T10:38:48","modified_gmt":"2026-03-19T10:38:48","slug":"fakta-om-delfiner","status":"publish","type":"post","link":"https:\/\/www.123fakta.com\/da\/facts-about-dolphins","title":{"rendered":"Fakta om delfiner"},"content":{"rendered":"<h2>1. Dr\u00e6berdelfin<\/h2>\n<figure id=\"attachment_7844\" aria-describedby=\"caption-attachment-7844\" style=\"width: 590px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-7844\" src=\"https:\/\/www.123fakta.com\/wp-content\/uploads\/delfiner-fakta-2.jpg\" alt=\"Fakta: Delfiner bruges til milit\u00e6re form\u00e5l af USA og Rusland.\" width=\"600\" height=\"721\" srcset=\"https:\/\/www.123fakta.com\/wp-content\/uploads\/delfiner-fakta-2.jpg 600w, https:\/\/www.123fakta.com\/wp-content\/uploads\/delfiner-fakta-2-250x300.jpg 250w, https:\/\/www.123fakta.com\/wp-content\/uploads\/delfiner-fakta-2-10x12.jpg 10w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><figcaption id=\"caption-attachment-7844\" class=\"wp-caption-text\">Tilskrivning: Brien Aho - Wikipedia.org<\/figcaption><\/figure>\n<p>Overskriften er m\u00e5ske en smule overdrevet, men det er en kendsgerning, at delfiner bruges af den amerikanske og russiske regering til forskellige milit\u00e6re opgaver.<\/p>\n<p>USA har endda et specifikt program til dette form\u00e5l kaldet U.S. Navy Marine Mammal Program i San Diego, som omfatter 75 delfiner.<\/p>\n<p>Programmet testede mere end 19 forskellige dyrearter (inklusive nogle <a href=\"https:\/\/www.123fakta.com\/da\/fakta-om-hajer\/\">hajer<\/a> og <a href=\"https:\/\/www.123fakta.com\/da\/fakta-om-fugle\/\">fugle<\/a>) og konkluderede i sidste ende, at delfiner og s\u00f8l\u00f8ver er de bedst egnede dyr. Delfiner er s\u00e6rligt nyttige p\u00e5 grund af deres h\u00f8jtudviklede biosonar, mens s\u00f8l\u00f8vernes styrke er deres exceptionelle syn (under vandet).<\/p>\n<p>Selvom delfinernes pr\u00e6cise funktioner er milit\u00e6re hemmeligheder, tyder de fleste spekulationer p\u00e5, at delfiner bruges til f\u00f8lgende opgaver:<\/p>\n<ul>\n<li>S\u00f8g og \u00f8del\u00e6g fjendens ub\u00e5de, skibe osv. ved hj\u00e6lp af kamikaze-metoder.<\/li>\n<li>Find fremmede s\u00f8miner, dykkere, ub\u00e5de osv.<\/li>\n<li>Find tilskadekomne dykkere<\/li>\n<\/ul>\n<p>Selvom ovenst\u00e5ende opgaver ikke er helt faktuelle - fordi de er hemmelige - er der en god chance for, at delfiner udf\u00f8rer nogle af disse opgaver. Den amerikanske fl\u00e5de har bekr\u00e6ftet, at de bruger deres delfiner til at finde s\u00f8miner, men ben\u00e6gter, at delfinerne er tr\u00e6net til at skade mennesker eller fart\u00f8jer.<\/p>\n<p>Delfiner tr\u00e6nes ogs\u00e5 efter de samme principper som politi- og jagthunde, hvor de f\u00e5r en godbid (som f.eks. en <a href=\"https:\/\/www.123fakta.com\/da\/fakta-om-fisk\/\">fisk<\/a>), n\u00e5r de udf\u00f8rer en opgave korrekt.<\/p>\n<h2>2. Lyser\u00f8de delfiner<\/h2>\n<figure id=\"attachment_7845\" aria-describedby=\"caption-attachment-7845\" style=\"width: 790px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-7845\" src=\"https:\/\/www.123fakta.com\/wp-content\/uploads\/lyseroede-delfiner-2.jpg\" alt=\"Fakta: Der findes 2 arter af lyser\u00f8de delfiner\" width=\"800\" height=\"361\" srcset=\"https:\/\/www.123fakta.com\/wp-content\/uploads\/lyseroede-delfiner-2.jpg 800w, https:\/\/www.123fakta.com\/wp-content\/uploads\/lyseroede-delfiner-2-300x135.jpg 300w, https:\/\/www.123fakta.com\/wp-content\/uploads\/lyseroede-delfiner-2-768x347.jpg 768w, https:\/\/www.123fakta.com\/wp-content\/uploads\/lyseroede-delfiner-2-18x8.jpg 18w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-7845\" class=\"wp-caption-text\">Navngivelse: lubasi - Flickr.com<\/figcaption><\/figure>\n<div>\n<p>Ikke alene findes der lyser\u00f8de delfiner, der findes ogs\u00e5 to typer:<\/p>\n<ul>\n<li><strong>Indo-Pacific pukkeldelfin<\/strong>\u00a0<em>(Sousa chinensis)<\/em>\u00a0som lever i Syd\u00f8stasien og det nordlige Australien.<\/li>\n<li><strong>Amazonas-delfin<\/strong>\u00a0<em>(Inia geoffrensis)<\/em>\u00a0som lever i flodsystemerne i den nordvestlige del af Sydamerika og derfor findes i landene: Brasilien, Peru, Bolivia, Ecuador, Colombia og Venezuela.<\/li>\n<\/ul>\n<p>Men lyser\u00f8de delfiner er ikke lyser\u00f8de hele livet; de f\u00f8des sorte, skifter til gr\u00e5 og senere til lys r\u00f8d med gr\u00e5 pletter, mens de stadig er unge. Som voksne er de hvide.<\/p>\n<\/div>\n<h2>3. Delfiner beg\u00e5r selvmord<\/h2>\n<p>Delfiner i fangenskab beg\u00e5r selvmord - og de g\u00f8r det p\u00e5 mange forskellige m\u00e5der, fra at n\u00e6gte at spise til at smadre deres hoveder ind i v\u00e6gge!<\/p>\n<p>Nogle biologer mener, at denne adf\u00e6rd skyldes, at delfinerne har sv\u00e6rt ved at tilpasse sig nye milj\u00f8er og f\u00f8dem\u00f8nstre. Et eksempel p\u00e5 dette kunne v\u00e6re forskellen mellem at leve i det \u00e5bne hav og i en lille, lukket tank. Et andet eksempel kunne v\u00e6re, at delfiner i naturen er vant til at jage og fange deres egen mad, mens de i fangenskab pludselig f\u00e5r det hele \"serveret\" af mennesker.<\/p>\n<p>For en god ordens skyld: Ikke alle delfiner, der sl\u00e5r hovedet mod v\u00e6ggen, beg\u00e5r selvmord; de kan blive s\u00e5 ophidsede eller revet med af deres leg, at de ved et uheld rammer en v\u00e6g, bassinkant osv. - I s\u00e5 fald er det mere et uheld.<\/p>\n<h2>4. Verdens h\u00f8jeste mand har reddet 2 delfiner<\/h2>\n<figure id=\"attachment_7846\" aria-describedby=\"caption-attachment-7846\" style=\"width: 590px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-7846\" src=\"https:\/\/www.123fakta.com\/wp-content\/uploads\/bao-xishun-2.jpg\" alt=\"Fakta: Verdens h\u00f8jeste mand (Bao Xishun) reddede 2 delfiner i 2006.\" width=\"600\" height=\"450\" srcset=\"https:\/\/www.123fakta.com\/wp-content\/uploads\/bao-xishun-2.jpg 600w, https:\/\/www.123fakta.com\/wp-content\/uploads\/bao-xishun-2-300x225.jpg 300w, https:\/\/www.123fakta.com\/wp-content\/uploads\/bao-xishun-2-16x12.jpg 16w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><figcaption id=\"caption-attachment-7846\" class=\"wp-caption-text\">Tilskrivning: Joachim Bowin - Wikipedia.org<\/figcaption><\/figure>\n<div>\n<p>Verdens h\u00f8jeste mand\u00a0<a href=\"http:\/\/news.bbc.co.uk\/2\/hi\/asia-pacific\/6178659.stm\" rel=\"noopener noreferrer\">reddet i 2006<\/a>\u00a0To delfiner fra d\u00f8den!<\/p>\n<p>I et akvarium i byen Fushun i det nord\u00f8stlige Kina havde to delfiner slugt stykker af plastik.<\/p>\n<p>Dyrl\u00e6gerne havde uden held fors\u00f8gt at fjerne stykkerne med instrumenter, som blot fik delfinerne til at tr\u00e6kke maven sammen.<\/p>\n<p>S\u00e5 de kontaktede verdens h\u00f8jeste mand, Bao Xishun, som brugte sine lange arme til at fjerne de fleste af plastikstykkerne og redde de stakkels delfiner.<\/p>\n<\/div>\n<h2>5. Delfiners intelligens<\/h2>\n<figure id=\"attachment_7847\" aria-describedby=\"caption-attachment-7847\" style=\"width: 590px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-7847\" src=\"https:\/\/www.123fakta.com\/wp-content\/uploads\/delfin-flipper-2.jpg\" alt=\"Fakta: Film - som &#039;Flipper&#039; - har v\u00e6ret med til at forme vores opfattelse af delfiner som intelligente dyr.\" width=\"600\" height=\"606\" srcset=\"https:\/\/www.123fakta.com\/wp-content\/uploads\/delfin-flipper-2.jpg 600w, https:\/\/www.123fakta.com\/wp-content\/uploads\/delfin-flipper-2-297x300.jpg 297w, https:\/\/www.123fakta.com\/wp-content\/uploads\/delfin-flipper-2-12x12.jpg 12w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><figcaption id=\"caption-attachment-7847\" class=\"wp-caption-text\">Tilskrivning: Ivan Tors Productions<br \/>Metro-Goldwyn-Mayer - Wikipedia.org<\/figcaption><\/figure>\n<p>Siden 1950'erne har de fleste mennesker haft en opfattelse af delfiner som meget intelligente v\u00e6sener. Det skyldes prim\u00e6rt delfinernes naturlige legesyge adf\u00e6rd, hvor de hopper, laver tricks og generelt er meget sociale og im\u00f8dekommende over for mennesker.<\/p>\n<p>Desuden stammer opfattelsen til dels fra neurologens\u00a0<a href=\"http:\/\/mentalfloss.com\/article\/26483\/4-bizarre-experiments-should-never-be-repeated\" rel=\"noopener noreferrer\">John Lillys eksperimenter<\/a>hvor han fors\u00f8gte at kommunikere med delfiner ved hj\u00e6lp af LSD, hvilket - b\u00e5de dengang og i dag - betragtes som en ekstremt uvidenskabelig tilgang.<\/p>\n<p>En tredje faktor, der bidrager til vores opfattelse af delfiner som intelligente dyr, er deres roller i forskellige b\u00f8ger og film fra de seneste \u00e5rtier. Gode eksempler er filmene \"Flipper\" og \"Free Willy\".<\/p>\n<p>Desuden bruger nogle st\u00f8rrelsen p\u00e5 delfiners hjerner som argument for deres h\u00f8je intelligens:<\/p>\n<ul>\n<li>Menneskets hjerne = 2% af vores kropsv\u00e6gt<\/li>\n<li>Chimpansehjerne = 0,9% af kropsv\u00e6gt<\/li>\n<li><a href=\"https:\/\/www.123fakta.com\/da\/fakta-om-elefanter\/\">Elefanthjerne<\/a> = 0,2% af kropsv\u00e6gt<\/li>\n<li>Delfinhjerne = 0,9% af kropsv\u00e6gt<\/li>\n<\/ul>\n<p>Ved f\u00f8rste \u00f8jekast tror man m\u00e5ske, at delfiner er intelligente, fordi de har relativt store hjerner - men kan man sammenligne intelligens og hjernest\u00f8rrelse hos vand- og landdyr?<\/p>\n<p>En forsker har ogs\u00e5 fremh\u00e6vet, at selv en <a href=\"https:\/\/www.123fakta.com\/da\/fakta-om-guldfisk\/\">Guldfisk<\/a> er p\u00e5 nogle m\u00e5der smartere end en delfin: Hvis du s\u00e6tter en guldfisk i en sk\u00e5l med vand, vil den straks fors\u00f8ge at flygte ved at springe ud af sk\u00e5len. Men hvis en delfin bliver fanget i et net, vil den ikke g\u00f8re noget fors\u00f8g p\u00e5 at flygte.<\/p>\n<p>I dag er der derfor\u00a0<a href=\"http:\/\/www.spiegel.de\/international\/world\/scientists-dolphin-intelligence-may-be-overrated-a-924614.html\" rel=\"noopener noreferrer\">tvivl om, hvor intelligente delfiner er<\/a>\u00a0faktisk er, og det ville v\u00e6re forkert at antage, at delfiner er intelligente, bare fordi vi mennesker opfatter dem s\u00e5dan. Desuden er vores generelle viden om hjernens funktion - som inkluderer intelligens - stadig meget begr\u00e6nset. Oven i det er vi ikke engang i stand til at m\u00e5le vores egen intelligens ordentligt!<\/p>\n<h2>6. Delfiners adf\u00e6rd<\/h2>\n<figure id=\"attachment_7848\" aria-describedby=\"caption-attachment-7848\" style=\"width: 790px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-7848\" src=\"https:\/\/www.123fakta.com\/wp-content\/uploads\/delfinflok-2.jpg\" alt=\"Fakta: Delfiner er sociale flokdyr\" width=\"800\" height=\"600\" srcset=\"https:\/\/www.123fakta.com\/wp-content\/uploads\/delfinflok-2.jpg 800w, https:\/\/www.123fakta.com\/wp-content\/uploads\/delfinflok-2-300x225.jpg 300w, https:\/\/www.123fakta.com\/wp-content\/uploads\/delfinflok-2-768x576.jpg 768w, https:\/\/www.123fakta.com\/wp-content\/uploads\/delfinflok-2-16x12.jpg 16w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-7848\" class=\"wp-caption-text\">Tilskrivning: Serguei S. Dukachev - Wikipedia.org<\/figcaption><\/figure>\n<p>Delfiner er kendt for deres smidighed og legesyge adf\u00e6rd, hvilket g\u00f8r dem til nogle af de mest popul\u00e6re vanddyr i verden. Mange arter springer op af vandet - endda i lodret position - for at se omverdenen, f\u00f8lge skibe, sv\u00f8mme synkront osv.<\/p>\n<p>Delfiner lever i sociale grupper, der kan variere i st\u00f8rrelse fra fem til flere hundrede individer (nogle gange endda tusinder i korte perioder).<\/p>\n<p>De bruger deres biosonar til at finde deres bytte og jager ofte i flok, hvor de omringer fiskestimer og skifter mellem at sv\u00f8mme ind i stimen og \"tage for sig af maden\".<\/p>\n<p>Delfiner giver ogs\u00e5 andre mulighed for at nyde godt af de fisk, de omgiver sig med - herunder fugle, <a href=\"https:\/\/www.123fakta.com\/da\/fakta-om-hvaler\/\">Hvaler<\/a> og fiskerb\u00e5de. P\u00e5 samme m\u00e5de er der ogs\u00e5 fiskere, der samarbejder med delfiner; delfinerne driver fiskene mod fiskerb\u00e5den og spiser de fisk, der slipper ud af fiskerens net.<\/p>\n<p>Delfiner parrer sig hele \u00e5ret rundt. Dr\u00e6gtighedsperioden er 9-17 m\u00e5neder afh\u00e6ngigt af arten. N\u00e5r f\u00f8dslen n\u00e6rmer sig, fjerner hunnen sig fra flokken og s\u00f8ger mod overfladen. Hun f\u00f8der normalt 1 kalv pr. graviditet - i sj\u00e6ldne tilf\u00e6lde kan der ogs\u00e5 forekomme tvillinger. Den nyf\u00f8dte delfin dier i 11 m\u00e5neder til 2 \u00e5r og bliver hos sin mor, indtil den er 3-8 \u00e5r gammel.<\/p>\n<h2>7. S\u00f8vn<\/h2>\n<figure id=\"attachment_7849\" aria-describedby=\"caption-attachment-7849\" style=\"width: 790px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-7849\" src=\"https:\/\/www.123fakta.com\/wp-content\/uploads\/delfiner-soevn-2.jpg\" alt=\"Fakta: Delfiners s\u00f8vnm\u00f8nster \u00e6ndrer sig, alt efter om de lever i naturen eller i fangenskab.\" width=\"800\" height=\"680\" srcset=\"https:\/\/www.123fakta.com\/wp-content\/uploads\/delfiner-soevn-2.jpg 800w, https:\/\/www.123fakta.com\/wp-content\/uploads\/delfiner-soevn-2-300x255.jpg 300w, https:\/\/www.123fakta.com\/wp-content\/uploads\/delfiner-soevn-2-768x653.jpg 768w, https:\/\/www.123fakta.com\/wp-content\/uploads\/delfiner-soevn-2-14x12.jpg 14w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-7849\" class=\"wp-caption-text\">Tilskrivning: Amirki - Wikipedia.org<\/figcaption><\/figure>\n<p><strong>Delfiner, der lever i naturen<\/strong>skal v\u00e6re ved bevidsthed for at kunne tr\u00e6kke vejret. Det betyder, at de ikke kan sove som mennesker, da de ville blive kvalt! Delfinernes \"l\u00f8sning\" p\u00e5 dette er, at de kun tillader \u00e9n hjernehalvdel at sove ad gangen (dette er blevet m\u00e5lt ved at scanne delfinens hjerne).<\/p>\n<p>Der er grundl\u00e6ggende tre m\u00e5der, hvorp\u00e5 en delfin kan sove:<\/p>\n<ol>\n<li><strong>Sv\u00f8m meget langsomt<\/strong>\u00a0og stiger af og til op til overfladen for at tr\u00e6kke luft.<\/li>\n<li><strong>Flyder p\u00e5 overfladen<\/strong>\u00a0med \u00e5ndehullet over vandoverfladen<\/li>\n<li><strong>At blive p\u00e5 bunden<\/strong>\u00a0(kun p\u00e5 lavt vand) og sv\u00f8mmer lejlighedsvis op til overfladen for at f\u00e5 luft<\/li>\n<\/ol>\n<p>Delfiner sover ca. 8 timer i d\u00f8gnet p\u00e5 denne m\u00e5de.<\/p>\n<p><strong>Delfiner i fangenskab<\/strong>\u00a0kan - i mods\u00e6tning til delfiner i naturen - sove uden at v\u00e6re ved bevidsthed og dermed \"lukke ned\" for begge hjernehalvdele.<\/p>\n<p>Her sker vejrtr\u00e6kningen automatisk, og delfinens hale bev\u00e6ger sig reflektorisk for at holde \u00e5ndehullet over vandoverfladen, hvis det er n\u00f8dvendigt.<\/p>\n<h2>8. Delfiners levetid<\/h2>\n<figure id=\"attachment_7850\" aria-describedby=\"caption-attachment-7850\" style=\"width: 290px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-7850\" src=\"https:\/\/www.123fakta.com\/wp-content\/uploads\/oeresvin-1.jpg\" alt=\"Fakta: Flaskehaledelfiner er den mest udbredte delfinart p\u00e5 Jorden.\" width=\"300\" height=\"198\" srcset=\"https:\/\/www.123fakta.com\/wp-content\/uploads\/oeresvin-1.jpg 300w, https:\/\/www.123fakta.com\/wp-content\/uploads\/oeresvin-1-18x12.jpg 18w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><figcaption id=\"caption-attachment-7850\" class=\"wp-caption-text\">Tilskrivning: Serguei S. Dukachev - Wikipedia.org<\/figcaption><\/figure>\n<div>\n<p>De mest udbredte og velkendte delfinarter er\u00a0<em>s\u00f8pindsvin<\/em>\u00a0(Tursiops truncatus), som ogs\u00e5 findes i nordiske farvande. Flaskehaledelfiner bliver op til 50 \u00e5r gamle.<\/p>\n<p>Den gennemsnitlige levetid varierer dog meget fra art til art og fra levested til levested, og den beregnes ved hj\u00e6lp af en formel kaldet ASR (Annual Survival Rate). For eksempel lever nogle delfiner i gennemsnit i 10 \u00e5r, mens andre lever i 25 \u00e5r. Den gennemsnitlige levetid for alle delfiner ansl\u00e5s til at v\u00e6re mellem 17 og 25 \u00e5r.<\/p>\n<p>Levetiden for individuelle delfiner kan bestemmes for de fleste arter ved at analysere delfinens t\u00e6nder.<\/p>\n<p>Delfiner i fangenskab lever nogle gange lidt l\u00e6ngere end delfiner i naturen, fordi de er beskyttet mod <a href=\"https:\/\/www.123fakta.com\/da\/fakta-om-rovdyr\/\">rovdyr<\/a>De f\u00e5r medicin, beskyttes mod forurening osv. Delfiner i fangenskab bliver dog ikke meget gamle (f.eks. 50 \u00e5r); den alder opn\u00e5r man kun i naturen.<\/p>\n<\/div>\n<h2>Andre fakta om delfiner<\/h2>\n<ul>\n<li><strong>F\u00f8de:<\/strong>\u00a0En voksen delfin spiser 4-9% af sin kropsv\u00e6gt i fisk, bl\u00e6ksprutter og krebsdyr hver dag. En delfin p\u00e5 250 kg spiser derfor 10-22,5 kg mad om dagen.<\/li>\n<li><strong>Dykning:<\/strong>\u00a0Delfiner kan dykke ned til 300 meters dybde (det er i hvert fald den dybeste m\u00e5ling for flaskedelfiner).<\/li>\n<li><strong>Salt og ferskvand:<\/strong>\u00a0Delfiner drikker ikke saltvand, selv om de fleste af dem lever i det (det er for salt!). De fleste af deres v\u00e6sker kommer fra deres f\u00f8de. Ferskvandsdelfiner findes prim\u00e6rt i Amazonas (se '2. Lyser\u00f8de delfiner' ovenfor).<\/li>\n<li><strong>Orcas:<\/strong>\u00a0Sp\u00e6khuggeren (Orcinus orca) er en delfinart - faktisk den st\u00f8rste delfinart i verden. Sp\u00e6khuggere kan blive op til 80 \u00e5r gamle<\/li>\n<li><strong>Kommunikation:<\/strong>\u00a0Delfiner kommunikerer ved hj\u00e6lp af lyde, der for os lyder som klik eller fl\u00f8jt.<\/li>\n<li><strong>Udryddelse:<\/strong>\u00a0Nogle delfinarter er truede - prim\u00e6rt p\u00e5 grund af fiskeri.<\/li>\n<li><strong>T\u00e6nder:<\/strong>\u00a0Delfiner har 100 t\u00e6nder - eller flere. Men de bruger dem ikke til at tygge deres mad, men til at fange og holde deres bytte.<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>1. Killer Dolphin Overskriften er m\u00e5ske en smule overdrevet, men det er et faktum, at delfiner bruges af den amerikanske og russiske regering til forskellige milit\u00e6re opgaver. USA har endda et specifikt program til dette form\u00e5l kaldet U.S. Navy Marine Mammal Program i San Diego, som omfatter 75 delfiner. De ... <a title=\"Fakta om delfiner\" class=\"read-more\" href=\"https:\/\/www.123fakta.com\/da\/facts-about-dolphins\" aria-label=\"L\u00e6s mere om fakta om delfiner\">L\u00e6s Mere<\/a><\/p>","protected":false},"author":1,"featured_media":7831,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"cybocfi_hide_featured_image":"","footnotes":""},"categories":[67,74],"tags":[120],"class_list":["post-698","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-animals","category-aquatic-animals","tag-adsense"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Dolphins - Facts: Intelligence, communication, behavior, etc.<\/title>\n<meta name=\"description\" content=\"Fact: Dolphins are used for military purposes by the US and Russia. 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