[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.duhafoe.cz\/medvidek-koala-je-stromovy-medvidek\/#Article","mainEntityOfPage":"https:\/\/www.duhafoe.cz\/medvidek-koala-je-stromovy-medvidek\/","headline":"Medv\u00eddek koala je stromov\u00fd medv\u00eddek","name":"Medv\u00eddek koala je stromov\u00fd medv\u00eddek","description":"\u00b7 Medv\u00eddek koala je nejzn\u00e1m\u011bj\u0161\u00ed a nejobl\u00edben\u011bj\u0161\u00ed zv\u00ed\u0159ec\u00ed obyvatel Austr\u00e1lie.
 \u00b7 A tak\u00e9 asi nejl\u00edn\u011bj\u0161\u00ed. … ","datePublished":"2023-04-29","dateModified":"2023-04-29","author":{"@type":"Person","@id":"https:\/\/www.duhafoe.cz\/author\/devene\/#Person","name":"devene","url":"https:\/\/www.duhafoe.cz\/author\/devene\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/d61351daa6b4b113e92ed2d39ca84063b8a3419e3b611b82557c5b9e6ade1cef?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/d61351daa6b4b113e92ed2d39ca84063b8a3419e3b611b82557c5b9e6ade1cef?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"duhafoe.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"url":"https:\/\/www.duhafoe.cz\/medvidek-koala-je-stromovy-medvidek\/","wordCount":475,"articleBody":"\u00b7 Medv\u00eddek koala je nejzn\u00e1m\u011bj\u0161\u00ed a nejobl\u00edben\u011bj\u0161\u00ed zv\u00ed\u0159ec\u00ed obyvatel Austr\u00e1lie.
 \u00b7 A tak\u00e9 asi nejl\u00edn\u011bj\u0161\u00ed. Denn\u011b toti\u017e prosp\u00ed a\u017e 20 hodin.
 \u00b7 Aktivn\u00ed jsou p\u0159ev\u00e1\u017en\u011b v noci.
 \u00b7 \u017dij\u00ed vysoko v korun\u00e1ch blahovi\u010dn\u00edku. Ty jim poskytuj\u00ed nejen m\u00edsto ke sp\u00e1nku, spole\u010densk\u00e9mu \u017eivotu, z\u00e1zem\u00ed a ochranu p\u0159ed hady a dal\u0161\u00ed nep\u0159\u00e1telskou hav\u011bt\u00ed, ale i potravu. Ke \u0161plh\u00e1n\u00ed vyu\u017e\u00edvaj\u00ed velmi hrubou k\u016f\u017ei na p\u0159edn\u00edch tlapk\u00e1ch a tak\u00e9 velk\u00e9 ostr\u00e9 dr\u00e1py.Koala se \u017eiv\u00ed v\u00fdhradn\u011b eukalyptov\u00fdmi listy blahovi\u010dn\u00edkov\u00fdch strom\u016f, kter\u00e9 jsou pro ostatn\u00ed zv\u00ed\u0159ata jedovat\u00e9. Koala nejprve ka\u017ed\u00fd list \u0159\u00e1dn\u011b o\u010dich\u00e1, podle v\u016fn\u011b toti\u017e pozn\u00e1, jak moc je jedovat\u00fd. Listy d\u016fkladn\u011b rozm\u011bln\u00ed na jemnou ka\u0161i a a\u017e teprve pak ho spolkne. J\u00e1tra koaly se postaraj\u00ed o zne\u0161kodn\u011bn\u00ed a pozd\u011bj\u0161\u00ed vylou\u010den\u00ed toxin\u016f z t\u011bla.
 Ale takov\u00fdto nam\u00e1hav\u00fd proces stoj\u00ed organismus dost sil. Vylu\u010dov\u00e1n\u00edm neutraliza\u010dn\u00ed kyseliny a rozkl\u00e1d\u00e1n\u00edm toxin\u016f mal\u00e9 t\u011blo spot\u0159ebov\u00e1v\u00e1 a\u017e 20 % energie, kter\u00e1 se koalovi dost\u00e1v\u00e1 z u\u017e tak nep\u0159\u00edli\u0161 v\u00fd\u017eivn\u00fdch list\u016f. Proto nen\u00ed divu, \u017ee medv\u00eddkov\u00e9 prosp\u00ed v\u011bt\u0161inu \u017eivota.Lid\u00e9 si \u010dasto mysl\u00ed, \u017ee koala je medv\u011bd, ve skute\u010dnosti pat\u0159\u00ed mezi va\u010dnatce, jako nap\u0159\u00edklad klokan. Sami\u010dka p\u0159ich\u00e1z\u00ed do \u0159\u00edje nanejv\u00fd\u0161 jednou za rok. Po zhruba 35 dnech trvaj\u00edc\u00ed b\u0159eznosti se narod\u00ed jen jedno slep\u00e9 ml\u00e1d\u011b bez srsti velk\u00e9 pouze 2 centimetry.
 Prvn\u00edch \u0161est m\u011bs\u00edc\u016f str\u00e1v\u00ed ml\u00e1d\u011b v mat\u010din\u011b vaku, kde se vyv\u00edj\u00ed. Sami\u010dka ml\u00e1d\u011b krm\u00ed nejen mate\u0159sk\u00fdm ml\u00e9kem, ale tak\u00e9 zelenou ka\u0161i\u010dkou, kter\u00e1 poch\u00e1z\u00ed ze slep\u00e9ho st\u0159eva. Z t\u00e9to ka\u0161e p\u0159ed\u00e1v\u00e1 ml\u00e1d\u011bti bakterie pot\u0159ebn\u00e9 k tr\u00e1ven\u00ed eukalyptov\u00fdch list\u016f.Koala se v p\u0159\u00edrod\u011b do\u017e\u00edv\u00e1 asi tak deseti let. Tito tvorov\u00e9 se snadno p\u0159izp\u016fsobuj\u00ed tam\u011bj\u0161\u00edm podm\u00ednk\u00e1m. P\u0159ed chladem si jejich t\u011bla m\u011bn\u00ed krevn\u00ed ob\u011bh tak, aby si uchovaly teplo. Pokud je je\u0161t\u011b sychrav\u011bji, t\u0159esou se tak, \u017ee si t\u00edm vytv\u00e1\u0159ej\u00ed teplo pomoc\u00ed rychl\u00fdch stah\u016f jejich sval\u016f. P\u0159ed teplem si zase reguluj\u00ed teplotu t\u011bla tak, \u017ee zv\u00fd\u0161\u00ed rychlost dechu a t\u00edm se ochlazuj\u00ed. Nav\u00edc z list\u016f z\u00edsk\u00e1vaj\u00ed tolik tekutin, \u017ee se m\u00e1lokdy pot\u0159ebuj\u00ed nap\u00edt.Medv\u00eddek koala je v sou\u010dasn\u00e9 dob\u011b p\u0159\u00edsn\u011b chr\u00e1n\u011bn, a to p\u0159edev\u0161\u00edm z d\u016fvodu jeho skoro vyhynut\u00ed ve 20. stolet\u00ed, kdy lid\u00e9 prahli po jeho ko\u017ee\u0161in\u011b a d\u00edky tomu koaly m\u00e1lem vyhubili.                                                                                                                                                                                                                                                                                                                                                                                        5\/5 - (4 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Medv\u00eddek koala je stromov\u00fd medv\u00eddek","item":"https:\/\/www.duhafoe.cz\/medvidek-koala-je-stromovy-medvidek\/#breadcrumbitem"}]}]