{"id":2380,"date":"2014-08-19T11:50:17","date_gmt":"2014-08-19T11:50:17","guid":{"rendered":"http:\/\/www.123fakta.com\/da\/?p=2380"},"modified":"2026-03-19T10:38:24","modified_gmt":"2026-03-19T10:38:24","slug":"fakta-om-slanger","status":"publish","type":"post","link":"https:\/\/www.123fakta.com\/da\/facts-about-snakes","title":{"rendered":"Fakta om slanger"},"content":{"rendered":"<h2>Fakta om slangemad<\/h2>\n<ul>\n<li><strong>Predators:<\/strong>\u00a0Slanger er <a href=\"https:\/\/www.123fakta.com\/da\/fakta-om-rovdyr\/\">rovdyr<\/a> der spiser sm\u00e5 og mellemstore dyr som f.eks. insekter, <a href=\"https:\/\/www.123fakta.com\/da\/fakta-om-fugle\/\">fugle<\/a>, krybdyr, padder, gnavere, sm\u00e5 husdyr osv.<\/li>\n<li><strong>Forbrug af byttedyr:<\/strong>\u00a0Slanger sluger alle deres byttedyr hele og er i stand til at fort\u00e6re dyr, der er tre gange s\u00e5 store som deres eget hoved. Det er muligt, fordi slangens overk\u00e6be kan adskilles fra underk\u00e6ben.<\/li>\n<li><strong>T\u00e6nder:<\/strong>\u00a0Slangers t\u00e6nder vender bagud - som modhager - hvilket hj\u00e6lper slanger med at holde fast i deres bytte og sikre, at byttet ikke undslipper.<\/li>\n<li><strong>Giftige og kv\u00e6lende slanger:<\/strong>\u00a0Der er to hovedkategorier af slanger: giftslanger og kv\u00e6lerslanger. Som navnene antyder, dr\u00e6ber giftslanger deres bytte med gift, mens kv\u00e6lerslanger kv\u00e6ler deres bytte.<\/li>\n<li><strong>F\u00f8deindtag:<\/strong>\u00a0Slanger beh\u00f8ver ikke at jage hver dag; nogle arter - s\u00e5som anakondaer og pytoner - kan overleve (efter et stort m\u00e5ltid) i op til 1 \u00e5r uden mad.<\/li>\n<li><strong>Intelligent jagt:<\/strong>\u00a0Mange slangearter anses for at v\u00e6re relativt intelligente; for eksempel er nogle i stand til at slippe lokkemad ud for at fange bytte.<\/li>\n<\/ul>\n<figure id=\"attachment_7411\" aria-describedby=\"caption-attachment-7411\" style=\"width: 648px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-7411 size-large\" src=\"https:\/\/www.123fakta.com\/wp-content\/uploads\/slanger-fakta-2-658x1024.jpg\" alt=\"Fakta: Der findes en huskeregel til at kende forskel p\u00e5 koralslanger og skarlagenr\u00f8de kongeslanger\" width=\"658\" height=\"1024\" srcset=\"https:\/\/www.123fakta.com\/wp-content\/uploads\/slanger-fakta-2-658x1024.jpg 658w, https:\/\/www.123fakta.com\/wp-content\/uploads\/slanger-fakta-2-193x300.jpg 193w, https:\/\/www.123fakta.com\/wp-content\/uploads\/slanger-fakta-2-768x1195.jpg 768w, https:\/\/www.123fakta.com\/wp-content\/uploads\/slanger-fakta-2-987x1536.jpg 987w, https:\/\/www.123fakta.com\/wp-content\/uploads\/slanger-fakta-2-8x12.jpg 8w, https:\/\/www.123fakta.com\/wp-content\/uploads\/slanger-fakta-2.jpg 1000w\" sizes=\"auto, (max-width: 658px) 100vw, 658px\" \/><figcaption id=\"caption-attachment-7411\" class=\"wp-caption-text\">Navngivelse: Norman.benton - Wikipedia.org | Florida Fish and Wildlife - Flickr.com<\/figcaption><\/figure>\n<p style=\"text-align: center;\"><em><strong>Fakta: Du kan kende forskel p\u00e5 den giftige koralslange (\u00f8verst) og den ikke-giftige skarlagenr\u00f8de kongeslange (nederst) med denne s\u00e6tning; hvis r\u00f8d r\u00f8rer ved gul, er den giftig - hvis r\u00f8d r\u00f8rer ved sort, er den ikke-giftig.<\/strong><\/em><\/p>\n<h2>Fakta om slangearter<\/h2>\n<ul>\n<li><strong>Arter:<\/strong>\u00a0Der findes omkring 3.400 kendte slangearter i verden.<\/li>\n<li><strong>Giftighed:<\/strong>\u00a0Der er flere m\u00e5der at se, om en slange er giftig eller ej:\n<ul>\n<li><strong>Elever:<\/strong>\u00a0Slanger med diamantformede pupiller er giftige. Slanger med runde pupiller er ikke giftige.<\/li>\n<li><strong>Farver:<\/strong>\u00a0Denne huskeregel hj\u00e6lper med at genkende forskellen mellem koralslanger (Elapidae), som er giftige, og den r\u00f8de kongesnog (Lampropeltis triangulum elapsoides), som ikke er giftig; hvis r\u00f8d r\u00f8rer ved gul, er den giftig - hvis r\u00f8d r\u00f8rer ved sort, er den ikke giftig.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Klatrende slange:<\/strong>\u00a0Majsens snude (<em>Pantherophis guttatus<\/em>) kan bruge sine sk\u00e6l til at klatre i tr\u00e6er; den kan dreje sk\u00e6llene i en vinkel, s\u00e5 de s\u00e6tter sig fast i tr\u00e6ernes bark og hj\u00e6lper slangen med at klatre.<\/li>\n<li><strong>Flyvende slange:<\/strong>\u00a0Slangearter\u00a0<em>Chrysopelea paradisi<\/em>\u00a0kan flyve! Den bruger samme princip som en frisbee og sv\u00e6ver fra gren til gren i skovens tr\u00e6er. Fra en tr\u00e6top kan den sv\u00e6ve omkring 100 meter horisontalt. Se videoen om den flyvende slange nedenfor:<\/li>\n<\/ul>\n<figure id=\"attachment_7412\" aria-describedby=\"caption-attachment-7412\" style=\"width: 701px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-7412 size-large\" src=\"https:\/\/www.123fakta.com\/wp-content\/uploads\/giftslange-kvaelerslange-2-711x1024.jpg\" alt=\"Fakta: Der findes giftslanger og kv\u00e6lerslanger.\" width=\"711\" height=\"1024\" srcset=\"https:\/\/www.123fakta.com\/wp-content\/uploads\/giftslange-kvaelerslange-2-711x1024.jpg 711w, https:\/\/www.123fakta.com\/wp-content\/uploads\/giftslange-kvaelerslange-2-208x300.jpg 208w, https:\/\/www.123fakta.com\/wp-content\/uploads\/giftslange-kvaelerslange-2-768x1107.jpg 768w, https:\/\/www.123fakta.com\/wp-content\/uploads\/giftslange-kvaelerslange-2-8x12.jpg 8w, https:\/\/www.123fakta.com\/wp-content\/uploads\/giftslange-kvaelerslange-2.jpg 1000w\" sizes=\"auto, (max-width: 711px) 100vw, 711px\" \/><figcaption id=\"caption-attachment-7412\" class=\"wp-caption-text\">Tilskrivning: H. Krisp + Embreus - Wikipedia.org<\/figcaption><\/figure>\n<p style=\"text-align: center;\"><em><strong>Fakta: Slanger kan inddeles i 2 hovedkategorier: giftslanger og kv\u00e6lerslanger. Billedet viser en gr\u00f8n mamba (Dendroaspis angusticeps), som er en giftslange, og en r\u00f8dhalet kongeboa (Boa constrictor constrictor), som er en kv\u00e6lerslange.<\/strong><\/em><\/p>\n<h2>Anatomi og adf\u00e6rd<\/h2>\n<ul>\n<li><strong>\u00d8jne og \u00f8rer:<\/strong>\u00a0Slanger har hverken \u00f8jenl\u00e5g eller \u00f8rer<\/li>\n<li><strong>Sanser:<\/strong>\u00a0Slanger jager og orienterer sig ved hj\u00e6lp af lugtesansen (tungen), synssansen og ved at m\u00e6rke vibrationer i jorden.<\/li>\n<li><strong>Lugtesans:<\/strong>\u00a0Slanger lugter ved at stikke deres kl\u00f8ftede tunge op i luften.<\/li>\n<li><strong>Koldblodede dyr:<\/strong>\u00a0Slanger er koldblodede, hvilket betyder, at de er afh\u00e6ngige af solens varme for at v\u00e6re aktive. Derfor regulerer de deres kropstemperatur ved hj\u00e6lp af sol og skygge.<\/li>\n<li><strong>Vinterdvale:<\/strong>\u00a0I koldere klimaer g\u00e5r slanger i dvale<\/li>\n<li><strong>Vi skifter h\u00e6nder:<\/strong>\u00a0Slanger f\u00e6lder deres hud op til 6 gange om \u00e5ret.<\/li>\n<li><strong>Aggressivitet:<\/strong>\u00a0De fleste slangearter er ikke aggressive over for mennesker, men vi har en indl\u00e6rt opfattelse af slanger som v\u00e6rende farlige. De fleste slanger foretr\u00e6kker at flygte frem for at angribe, n\u00e5r de er t\u00e6t p\u00e5 mennesker, men i visse situationer vil de angribe, fordi de f\u00f8ler sig for truede til at flygte.<\/li>\n<li><strong>Isolerede dyr:<\/strong>\u00a0Slanger er generelt meget isolerede dyr. Naturligvis st\u00f8der de tilf\u00e6ldigt p\u00e5 hinanden. Men i parringss\u00e6sonen kan de midlertidigt opholde sig i n\u00e6rheden af hinanden af indlysende grunde<\/li>\n<\/ul>\n<h2>Fakta om slangers levesteder<\/h2>\n<ul>\n<li><strong>Distribution:<\/strong>\u00a0Slanger findes overalt i verden med undtagelse af: Antarktis (Sydpolen), Island, Irland, Gr\u00f8nland, New Zealand og mange mindre \u00f8er i Atlanterhavet, Stillehavet og Det Indiske Ocean.<\/li>\n<li><strong>Milj\u00f8er:<\/strong>\u00a0Slanger lever i mange forskellige milj\u00f8er, herunder skove, \u00f8rkener, bjerge, sletter, oceaner og s\u00f8er.<\/li>\n<li><strong>I troperne:<\/strong>\u00a0St\u00f8rstedelen af slangerne lever i jordens tropiske omr\u00e5der.<\/li>\n<\/ul>\n<h2>Reproduktion<\/h2>\n<ul>\n<li><strong>Vivipari:<\/strong>\u00a0Langt de fleste slanger l\u00e6gger \u00e6g, men nogle arter beholder \u00e6gget i kroppen, indtil det n\u00e6sten er klar til at kl\u00e6kke. Der er endda nogle f\u00e5 vivipare arter, hvor der ikke er noget \u00e6g, men i stedet en blommes\u00e6k og en livmoder, der n\u00e6rer fosteret (vivipari). Dette f\u00e6nomen er meget almindeligt blandt pattedyr, men meget us\u00e6dvanligt blandt krybdyr. Eksempler p\u00e5 vivipare slanger er den store anakonda (Eunectes murinus) og kongeboaen (Boa constrictor).<\/li>\n<li><strong>Pas p\u00e5:<\/strong>\u00a0Hver slangeart har forskellige omsorgsm\u00f8nstre for deres unger; nogle forlader \u00e6ggene, f\u00f8r de kl\u00e6kkes, andre umiddelbart efter kl\u00e6kningen, og i nogle f\u00e5 tilf\u00e6lde bliver de hos ungerne lidt l\u00e6ngere - men generelt efterlades ungerne alene umiddelbart f\u00f8r eller efter kl\u00e6kningen, hvilket g\u00f8r dem s\u00e5rbare over for rovdyr.<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Fakta om slangemad Rovdyr: Slanger er rovdyr, der spiser sm\u00e5 og mellemstore dyr som insekter, fugle, krybdyr, padder, gnavere, sm\u00e5 husdyr osv. Indtagelse af byttedyr: Slanger sluger alle deres byttedyr hele og er i stand til at indtage dyr, der er tre gange s\u00e5 store som deres eget hoved. Det er muligt, fordi slangens overk\u00e6be kan ... <a title=\"Fakta om slanger\" class=\"read-more\" href=\"https:\/\/www.123fakta.com\/da\/facts-about-snakes\" aria-label=\"L\u00e6s mere om fakta om slanger\">L\u00e6s Mere<\/a><\/p>","protected":false},"author":1,"featured_media":7413,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"cybocfi_hide_featured_image":"","footnotes":""},"categories":[67,68],"tags":[120],"class_list":["post-2380","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-animals","category-terrestrial-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>Facts about snakes - Behavior, hunting, food, species, etc.<\/title>\n<meta name=\"description\" content=\"Fact: Snakes with round pupils are not venomous, while snakes with diamond-shaped pupils are venomous. 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