{"id":21043895,"date":"2023-04-02T20:46:00","date_gmt":"2023-04-02T18:46:00","guid":{"rendered":"https:\/\/geek.hr\/znanost\/?p=21043895"},"modified":"2023-04-02T21:43:42","modified_gmt":"2023-04-02T19:43:42","slug":"jedino-vrane-znaju-kako-jesti-otrovne-zabe","status":"publish","type":"post","link":"https:\/\/geek.hr\/znanost\/clanak\/jedino-vrane-znaju-kako-jesti-otrovne-zabe\/","title":{"rendered":"Jedino vrane znaju kako jesti otrovne \u017eabe"},"content":{"rendered":"\n<p>Da su vrane fascinantne <a href=\"https:\/\/geek.hr\/znanost\/clanak\/13-razloga-zbog-kojih-su-vrane-einsteini-zivotinjskog-svijeta\/\" target=\"_blank\" rel=\"noopener\">ve\u0107 smo znali<\/a>, no ta porodica ptica nikad ne prestaje iznena\u0111ivati. Bilo je ve\u0107 poznato da te ptice znaju kako uspje\u0161no pre\u017eivjeti obrok sastavljen od otrovne \u017eabe, no dugo nije takav jedan cijeli pothvat <a href=\"https:\/\/twitter.com\/ausgeo\/status\/957765178535260160\/photo\/1?ref_src=twsrc%5Etfw&amp;ref_url=http%3A%2F%2Fwww.sciencealert.com%2Faustralian-crows-eating-poisonous-cane-toads-invasive-species\" target=\"_blank\" rel=\"noopener\">lijepo uhva\u0107en na fotografijama kao ovom prilikom u Australiji<\/a>. Pojasnimo najprije o \u010demu je rije\u010d.<\/p>\n\n\n\n<p>Divovske \u017eabe (Rhinella marina) su dopremljene s Havaja u Australiju jo\u0161 tridesetih godina pro\u0161log stolje\u0107a, zbog nastojanja da potamane insekte koji uni\u0161tavaju \u0161e\u0107ernu trsku. Stvari su ipak oti\u0161le malo predaleko, jer su se ove krasta\u010de masovno razmno\u017eavale te osim insekata uspje\u0161no tamanile, figurativno re\u010deno, i mnoge druge \u017eivotinje.<\/p>\n\n\n\n<p>Otrov s le\u0111a tih masovno rasprostranjenih \u017eaba (koji mo\u017ee usmrtiti tako\u0111er pse i ma\u010dke) je kriv za opadanje populacije tobol\u010dara, gu\u0161tera i raznih drugih \u017eivotinja u Australiji.<\/p>\n\n\n\n<p>Izmicanje stvari kontroli je dovelo do toga da se te \u017eabe smatraju jednom od najnepo\u017eeljnijih vrsta u zemlji pa zbog toga ljudi poduzimaju mnoge akcije, bilo da je u pitanju hvatanje od strane aktivista (Frogwatch) do programa u\u010denja drugih \u017eivotinja kako da ih izbjegavaju (<a href=\"http:\/\/www.abc.net.au\/news\/2016-11-14\/cane-toad-sausages-to-help-protect-native-species-in-wa-north\/8024904\" target=\"_blank\" rel=\"noopener\">prave\u0107i kobasice neugodnog okusa poput onog kod \u017eabe<\/a>). Australci su ve\u0107, evidentno, sva\u0161ta poku\u0161ali po tom pitanju, no nekim \u017eivotinjama jednostavno nema spasa pored ove vrste \u017eaba.<\/p>\n\n\n\n<p>\u017divotinje koje poku\u0161aju pojesti tu \u017eabu nemaju nikakve \u0161anse za pre\u017eivljavanje, no ono \u0161to nije uspjelo zmijama, krokodilima i mnogim drugima \u2013 uspjelo je vranama. Njima nisu bili potrebni programi u\u010denja, jer su same na\u0161le na\u010din da zaobi\u0111u bufotoksin koji \u017eabe lu\u010de kad osjete opasnost.<\/p>\n\n\n\n<p>&#8220;Vrane izbjegavaju dodir s izlu\u010denim otrovom tako \u0161to ih zahva\u0107aju za udove ili \u010dak iznad oka, izbjegavaju\u0107i ostatak tijela &#8220;, obja\u0161njava australski fotograf Steve Wilson.&#8221; Ove pametne ptice nau\u010dile su preokrenuti \u017eabe na le\u0111a, u vi\u0161estrukim poku\u0161ajima ako je potrebno, da bi odabrale za jelo netoksi\u010dne dijelove: mesnate dijelove krakova, jezik, iznutrice.&#8221;<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"1200\" height=\"706\" src=\"https:\/\/geek.hr\/znanost\/wp-content\/uploads\/sites\/14\/2023\/04\/vrana-otrovna-zaba.jpg\" alt=\"\" class=\"wp-image-21067115\" srcset=\"https:\/\/geek.hr\/znanost\/wp-content\/uploads\/sites\/14\/2023\/04\/vrana-otrovna-zaba.jpg 1200w, https:\/\/geek.hr\/znanost\/wp-content\/uploads\/sites\/14\/2023\/04\/vrana-otrovna-zaba-300x177.jpg 300w, https:\/\/geek.hr\/znanost\/wp-content\/uploads\/sites\/14\/2023\/04\/vrana-otrovna-zaba-768x452.jpg 768w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><figcaption class=\"wp-element-caption\">Foto: Steve Wilson<\/figcaption><\/figure>\n<\/div>\n\n\n<p>Steve Wilson je promatrao kako je vrani bilo potrebno sveukupno 40 minuta da svlada \u017eabu i pojede sve netoksi\u010dne dijelove.<\/p>\n\n\n\n<p>Ako se klimatske promjene nastave odvijati ovim tempom, stru\u010dnjaci vjeruju kako \u0107e se otrovne divovske \u017eabe \u0161iriti i u one rijetke dijelove Australije u kojima ih jo\u0161 nema.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Druge \u017eivotinje redom ugibaju pri poku\u0161ajima<\/p>\n","protected":false},"author":10022,"featured_media":21067116,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"","_lmt_disable":"","footnotes":""},"categories":[16346],"tags":[17028,16740,19678,22106],"class_list":["post-21043895","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-biljke-i-zivotinje","tag-australija","tag-otrov","tag-vrane","tag-zabe"],"modified_by":null,"_links":{"self":[{"href":"https:\/\/geek.hr\/znanost\/wp-json\/wp\/v2\/posts\/21043895","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/geek.hr\/znanost\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/geek.hr\/znanost\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/geek.hr\/znanost\/wp-json\/wp\/v2\/users\/10022"}],"replies":[{"embeddable":true,"href":"https:\/\/geek.hr\/znanost\/wp-json\/wp\/v2\/comments?post=21043895"}],"version-history":[{"count":2,"href":"https:\/\/geek.hr\/znanost\/wp-json\/wp\/v2\/posts\/21043895\/revisions"}],"predecessor-version":[{"id":21067117,"href":"https:\/\/geek.hr\/znanost\/wp-json\/wp\/v2\/posts\/21043895\/revisions\/21067117"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/geek.hr\/znanost\/wp-json\/wp\/v2\/media\/21067116"}],"wp:attachment":[{"href":"https:\/\/geek.hr\/znanost\/wp-json\/wp\/v2\/media?parent=21043895"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/geek.hr\/znanost\/wp-json\/wp\/v2\/categories?post=21043895"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/geek.hr\/znanost\/wp-json\/wp\/v2\/tags?post=21043895"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}