[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.alast.cz\/tucnak-cisarsky\/#Article","mainEntityOfPage":"https:\/\/www.alast.cz\/tucnak-cisarsky\/","headline":"Tu\u010d\u0148\u00e1k c\u00edsa\u0159sk\u00fd","name":"Tu\u010d\u0148\u00e1k c\u00edsa\u0159sk\u00fd","description":"V n\u011bkter\u00fdch zoologick\u00fdch zahrad\u00e1ch (t\u0159eba t\u00e9 pra\u017esk\u00e9) m\u016f\u017eeme obdivovat tu\u010d\u0148\u00e1ky. Tu\u010d\u0148\u00e1ci pat\u0159\u00ed mezi nejobl\u00edben\u011bj\u0161\u00ed a nejnav\u0161t\u011bvovan\u011bj\u0161\u00ed zv\u011b\u0159. Jsou neuv\u011b\u0159iteln\u011b vtipn\u00ed, z\u00e1bavn\u00ed, roztomil\u00ed, spole\u010den\u0161t\u00ed. Nejv\u011bt\u0161\u00ed a nejt\u011b\u017e\u0161\u00ed ze v\u0161ech tu\u010d\u0148\u00e1k\u016f je tu\u010d\u0148\u00e1k kr\u00e1lovsk\u00fd. Jedn\u00e1 se o endemit Antarktidy. (Endemit je organismus, kter\u00fd vznikl a roz\u0161\u00ed\u0159il se jen v ur\u010dit\u00e9m omezen\u00e9m \u00fazem\u00ed). Dosahuje v\u00fd\u0161ky 122 centimetr\u016f a &hellip; <a href=\"https:\/\/www.alast.cz\/tucnak-cisarsky\/\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">Tu\u010d\u0148\u00e1k c\u00edsa\u0159sk\u00fd<\/span><\/a>","datePublished":"2025-03-04","dateModified":"2025-03-04","author":{"@type":"Person","@id":"https:\/\/www.alast.cz\/author\/#Person","name":"","url":"https:\/\/www.alast.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/591310831c6f562dead2685065c7bfb166baf64da6e0332ad9d0a2e9c6c14446?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/591310831c6f562dead2685065c7bfb166baf64da6e0332ad9d0a2e9c6c14446?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"alast.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.alast.cz\/wp-content\/uploads\/img_a309471_w1712_t1520411006.jpg","url":"https:\/\/www.alast.cz\/wp-content\/uploads\/img_a309471_w1712_t1520411006.jpg","height":0,"width":0},"url":"https:\/\/www.alast.cz\/tucnak-cisarsky\/","wordCount":493,"articleBody":"V n\u011bkter\u00fdch zoologick\u00fdch zahrad\u00e1ch (t\u0159eba t\u00e9 pra\u017esk\u00e9) m\u016f\u017eeme obdivovat tu\u010d\u0148\u00e1ky. Tu\u010d\u0148\u00e1ci pat\u0159\u00ed mezi nejobl\u00edben\u011bj\u0161\u00ed a nejnav\u0161t\u011bvovan\u011bj\u0161\u00ed zv\u011b\u0159. Jsou neuv\u011b\u0159iteln\u011b vtipn\u00ed, z\u00e1bavn\u00ed, roztomil\u00ed, spole\u010den\u0161t\u00ed.Nejv\u011bt\u0161\u00ed a nejt\u011b\u017e\u0161\u00ed ze v\u0161ech tu\u010d\u0148\u00e1k\u016f je tu\u010d\u0148\u00e1k kr\u00e1lovsk\u00fd. Jedn\u00e1 se o endemit Antarktidy. (Endemit je organismus, kter\u00fd vznikl a roz\u0161\u00ed\u0159il se jen v ur\u010dit\u00e9m omezen\u00e9m \u00fazem\u00ed).Dosahuje v\u00fd\u0161ky 122 centimetr\u016f a jeho v\u00e1ha m\u016f\u017ee b\u00fdt a\u017e p\u0159es 40 kilogram\u016f. H\u0159bet a hlava jsou \u010dern\u00e9, b\u0159icho b\u00edl\u00e9 a okolo u\u0161\u00ed je \u017elut\u00fd. Jedn\u00e1 se o nel\u00e9tav\u00e9ho pt\u00e1ka. Jeho k\u0159\u00eddla jsou tuh\u00e1 a slou\u017e\u00ed jako ploutve.Lov\u00ed v\u011bt\u0161inou ryby. Pod vodou dok\u00e1\u017ee z\u016fstat neuv\u011b\u0159iteln\u00fdch 18 minut a dok\u00e1\u017ee se pono\u0159it do hloubky 500 metr\u016f.\u00a0\tZe \u017eivota tu\u010d\u0148\u00e1k\u016f\u017divot tu\u010d\u0148\u00e1ka trv\u00e1 kolem dvaceti let, ale n\u011bkte\u0159\u00ed jedinci se mohou do\u017e\u00edt i podstatn\u011b vy\u0161\u0161\u00edho v\u011bku. Tu\u010d\u0148\u00e1ci \u017eij\u00ed v ob\u0159\u00edch koloni\u00edch. Samice snese jedin\u00e9 vejce, ale inkubuje jej samec. Trv\u00e1 to dva m\u011bs\u00edce a samec v t\u00e9 dob\u011b ztrat\u00ed zna\u010dnou \u010d\u00e1st sv\u00e9 v\u00e1hy. Samice lov\u00ed potravu pro sebe i partnera. Po vyl\u00edhnut\u00ed se o ml\u00e1d\u011b staraj\u00ed v\u0161ichni v kolonii. V dokumentech m\u016f\u017eeme v\u00eddat takov\u00e9 \u201etu\u010d\u0148\u00e1\u010d\u00ed \u0161kolky\u201c, kdy se opravdu v\u00fdchova st\u00e1v\u00e1 z\u00e1le\u017eitost\u00ed cel\u00e9ho spole\u010denstv\u00ed. Bohu\u017eel jen zhruba dvacet procent ml\u00e1\u010fat p\u0159e\u017eije prvn\u00ed rok sv\u00e9ho \u017eivota.Tu\u010d\u0148\u00e1ci nemaj\u00ed sv\u00e9 hn\u00edzdo, ve kter\u00e9m by na\u0161li sv\u00e9ho partnera \u010di ml\u00e1d\u011b, proto se mus\u00ed spol\u00e9hat na zvukovou komunikaci. Pou\u017e\u00edvaj\u00ed zvuky, kter\u00e9 jsou z\u00e1sadn\u00ed, aby se navz\u00e1jem poznali partne\u0159i, ml\u00e1\u010fata a rodi\u010de.Tu\u010d\u0148\u00e1k se rozmno\u017euje v nejstuden\u011bj\u0161\u00edm prost\u0159ed\u00ed ze v\u0161ech pt\u00e1k\u016f. Pod poko\u017ekou m\u00e1 tlustou vrstvu tuku, kter\u00e1 ho chr\u00e1n\u00ed p\u0159ed tuhou zimou, ale zt\u011b\u017euje mu pohyb po pevnin\u011b. Jeho pe\u0159\u00ed je kr\u00e1tk\u00e9 a tuh\u00e9, jedn\u00e1 se o nejope\u0159en\u011bj\u0161\u00edho pt\u00e1ka na sv\u011bt\u011b.Jedn\u00e1 se o velmi soci\u00e1ln\u00ed zv\u00ed\u0159e. N\u011bkte\u0159\u00ed tu\u010d\u0148\u00e1ci se pot\u00e1p\u00ed ve dne, n\u011bkte\u0159\u00ed v noci. Jsou to velmi dob\u0159\u00ed plavci, plavou rychlost\u00ed a\u017e 9 km\/h.Tu\u010d\u0148\u00e1ci mus\u00ed urazit kv\u016fli potrav\u011b vzd\u00e1lenosti a\u017e 500 kilometr\u016f. Po povrchu se pohybuje sv\u00fdm typick\u00fdm kol\u00e9bav\u00fdm pohybem a po ledu klou\u017ee po sv\u00e9m b\u0159i\u0161e, kdy se odr\u00e1\u017e\u00ed nohama a k\u0159\u00eddly. Proti chladu se chr\u00e1n\u00ed choulen\u00edm, kdy se tu\u010d\u0148\u00e1ci op\u00edraj\u00ed o sebe navz\u00e1jem. Mezi hlavn\u00ed pred\u00e1tory, kte\u0159\u00ed se \u017eiv\u00ed i dosp\u011bl\u00fdmi pred\u00e1tory jsou tule\u0148 leopard\u00ed a velryba kosatka. Bohu\u017eel najdeme pom\u011brn\u011b hodn\u011b pred\u00e1tor\u016f, kte\u0159\u00ed se zam\u011b\u0159uj\u00ed na ml\u00e1\u010fata.                                                                                                                                                                                                                                                                                                                                                                                        4.3\/5 - (7 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Tu\u010d\u0148\u00e1k c\u00edsa\u0159sk\u00fd","item":"https:\/\/www.alast.cz\/tucnak-cisarsky\/#breadcrumbitem"}]}]