endemit<\/strong>.<\/p>\nPoprv\u00e9 ho Evropani spat\u0159ili v roce 1797 pobl\u00ed\u017e Sydney. Jeden exempl\u00e1\u0159 ulovili, vycpali a poslali do Evropy. Evrop\u0161t\u00ed v\u011bdci v\u0161ak byli zprvu p\u0159esv\u011bd\u010den\u00ed, \u017ee se jedn\u00e1 o podvrh, \u017ee si z nich n\u011bkdo vyst\u0159elil. Tak v\u00fdst\u0159edn\u011b tvor p\u016fsobil. \u017d\u00e1dn\u00fd div \u017ee pak dostal jm\u00e9no ptakopysk podivn\u00fd.<\/p>\n
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![\"\"](\"http:\/\/www.gangodvaznych.cz\/wp-content\/uploads\/2024\/03\/Ptakopysk-ve-vode-300x200.jpg\")
Dnes je p\u0159\u00edsn\u011b zak\u00e1z\u00e1no vyv\u00e1\u017eet ptakopyska mimo australsk\u00fd kontinent. St\u00e1v\u00e1 se ohro\u017een\u00fdm druhem, proto je chr\u00e1n\u011bn\u00fd. A i australsk\u00e9 zoologick\u00e9 zahrady maj\u00ed s jeho chovem probl\u00e9my.<\/p>\n
Jako \u017eivo\u010di\u0161n\u00fd druh je to tvor prastar\u00fd. Vyvinul se u\u017e p\u0159ed 110 miliony lety.<\/p>\n
Ptakopysk je asi p\u016fl metru dlouh\u00fd savec. \u017dije u sladkovodn\u00edch tok\u016f a v\u00fdborn\u011b plave pomoc\u00ed p\u0159edn\u00edch nohou opat\u0159en\u00fdch bl\u00e1nami. Zadn\u00ed nohy vyu\u017e\u00edv\u00e1 spolu s ocasem jako kormidlo.<\/p>\n
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![\"\"](\"http:\/\/www.gangodvaznych.cz\/wp-content\/uploads\/2024\/03\/ptakopysk_detail-nohy-300x200.jpg\")
Na sou\u0161i si plovac\u00ed bl\u00e1ny zkr\u00e1t\u00ed, aby se odhalily dr\u00e1py pot\u0159ebn\u00e9 k hrab\u00e1n\u00ed. Same\u010dek m\u00e1 na zadn\u00edch noh\u00e1ch ostruhy. Jsou to m\u00edrn\u011b zahnut\u00e9, asi jeden a p\u016fl centimetru dlouh\u00e9 dut\u00e9 bod\u00e1ky. T\u011bmi m\u016f\u017ee do t\u011bla protivn\u00edka vp\u00edchnout jed, kter\u00fd se tvo\u0159\u00ed v jedov\u00e9 \u017el\u00e1ze um\u00edst\u011bn\u00e9 ve stehn\u011b. Pro \u010dlov\u011bka nen\u00ed jed ptakopyska smrteln\u00fd, ale bodnut\u00ed je pr\u00fd extr\u00e9mn\u011b bolestiv\u00e9, a bolest nav\u00edc m\u016f\u017ee p\u0159etrv\u00e1vat n\u011bkolik m\u011bs\u00edc\u016f.<\/p>\n
<\/p>\n
\u017div\u00ed se hmyzem a rostlinami. Na dn\u011b \u0159ek \u010di jezer vyhled\u00e1v\u00e1 drobn\u00e9 kor\u00fd\u0161e, m\u011bkk\u00fd\u0161e a \u010dervy, kter\u00e9 si nacpe do l\u00edcn\u00ed torby a pak se vyno\u0159\u00ed. P\u0159i pot\u00e1p\u011bn\u00ed si o\u010di i u\u0161i chr\u00e1n\u00ed ko\u017en\u00edm z\u00e1hybem, z kter\u00e9ho vytvo\u0159\u00ed v\u00ed\u010dko. Pod vodou tedy nevid\u00ed a orientuje se hlavn\u011b \u010dichem um\u00edst\u011bn\u00fdm v ohebn\u00e9m citliv\u00e9m zob\u00e1ku. Jako jeden z m\u00e1la savc\u016f taky dok\u00e1\u017ee vn\u00edmat slab\u00e9 elektrick\u00e9 pole, kter\u00e9 \u0161\u00ed\u0159\u00ed v\u0161echny \u017eiv\u00e9 organismy. V tomhle je pr\u00fd ze v\u0161ech savc\u016f nejlep\u0161\u00ed. Lov\u00ed hlavn\u011b za soumraku nebo za sv\u00edt\u00e1n\u00ed, kdy\u017e je je\u0161t\u011b \u0161ero. Ve dne sp\u00ed v no\u0159e vybudovan\u00e9 v b\u0159ehu kousek nad hladinou.<\/p>\n
Ptakopysk je jedin\u00fd savec, kter\u00fd sn\u00e1\u0161\u00ed vejce. Sami\u010dka v\u011bt\u0161inou naklade jedno a\u017e t\u0159i vaj\u00ed\u010dka, kter\u00e1 nem\u011b\u0159\u00ed ani dva centimetry. Z vajec se asi po deseti dnech vyl\u00edhnou ml\u00e1\u010fata. P\u0159ichyt\u00ed se na matku a saj\u00ed jej\u00ed ml\u00e9ko. Jsou \u00fapln\u011b hol\u00e1, ko\u017e\u00ed\u0161ek jim naroste a\u017e po \u010dty\u0159ech m\u011bs\u00edc\u00edch. Teprve pak opou\u0161t\u011bj\u00ed hn\u00edzdo a poprv\u00e9 vlezou do vody. V ml\u00e1d\u00ed maj\u00ed stoli\u010dky, ale dosp\u011bl\u00ed ptakopyskov\u00e9 zuby nemaj\u00ed. Obvykle se do\u017e\u00edvaj\u00ed \u0161estn\u00e1cti let.<\/p>\n
A je\u0161t\u011b jednu podivnost ptakopysk m\u00e1 – schopnost biofluorescence. Kdy\u017e na n\u011bj ve tm\u011b posv\u00edt\u00edme ultrafialov\u00fdmi paprsky, z\u00e1\u0159\u00ed. Podobn\u011b jako t\u0159eba \u0161t\u00edr. Ale pro\u010d to d\u011blaj\u00ed, to je po\u0159\u00e1d je\u0161t\u011b tak trochu z\u00e1hada.<\/p>\n
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<\/p>\n
PRAMENY:<\/p>\n
Bergamini, D. Austr\u00e1lie. Zem\u011b a \u017eivot<\/em>. Artia, Praha 1973.<\/p>\nCousteau a kol. Tajemstv\u00ed Austr\u00e1lie<\/em>. Slovart 1994. (expedice Cousteau).<\/p>\nKol: Od agamy po \u017eraloka<\/em>. Albatros 1974.<\/p>\n <\/p>\n
OBR\u00c1ZKY: CHATGPT.COM<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"V Austr\u00e1lii jsme vid\u011bli spoustu zvl\u00e1\u0161tn\u00edch tvor\u016f. Osobn\u011b bych n\u011bkter\u00e9 z nich a\u017e tak zbl\u00edzka vid\u011bt nemusela. Ale co m\u011b teda mrz\u00ed, je, \u017ee jsme nikde nenarazili na toho mal\u00e9ho podiv\u00edna. V\u00edte, koho mysl\u00edm? Ocas m\u00e1 jako bobr, a nen\u00ed to bobr. Ko\u017e\u00ed\u0161ek m\u00e1 hust\u00fd jako krtek, a nen\u00ed to krtek. Nohy mu z t\u011bla vyr\u016fstaj\u00ed po stran\u00e1ch…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0,"footnotes":""},"categories":[7],"tags":[440,409,538,536,537,535],"class_list":["post-4013","post","type-post","status-publish","format-standard","hentry","category-hrdinove-alfa","tag-australie","tag-endemit","tag-ohrozeny-druh","tag-platypus","tag-podivny-tvor","tag-ptakopysk"],"_links":{"self":[{"href":"https:\/\/www.gangodvaznych.cz\/index.php\/wp-json\/wp\/v2\/posts\/4013","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.gangodvaznych.cz\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.gangodvaznych.cz\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.gangodvaznych.cz\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.gangodvaznych.cz\/index.php\/wp-json\/wp\/v2\/comments?post=4013"}],"version-history":[{"count":13,"href":"https:\/\/www.gangodvaznych.cz\/index.php\/wp-json\/wp\/v2\/posts\/4013\/revisions"}],"predecessor-version":[{"id":4943,"href":"https:\/\/www.gangodvaznych.cz\/index.php\/wp-json\/wp\/v2\/posts\/4013\/revisions\/4943"}],"wp:attachment":[{"href":"https:\/\/www.gangodvaznych.cz\/index.php\/wp-json\/wp\/v2\/media?parent=4013"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.gangodvaznych.cz\/index.php\/wp-json\/wp\/v2\/categories?post=4013"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.gangodvaznych.cz\/index.php\/wp-json\/wp\/v2\/tags?post=4013"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
![\"\"](\"http:\/\/www.gangodvaznych.cz\/wp-content\/uploads\/2024\/03\/Ptakopysk-podivny-200x300.jpg\")
Ocas m\u00e1 jako bobr, a nen\u00ed to bobr.