[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.folitec.cz\/proc-nekteri-ptaci-neletaji\/#Article","mainEntityOfPage":"https:\/\/www.folitec.cz\/proc-nekteri-ptaci-neletaji\/","headline":"Pro\u010d n\u011bkte\u0159\u00ed pt\u00e1ci nel\u00e9taj\u00ed","name":"Pro\u010d n\u011bkte\u0159\u00ed pt\u00e1ci nel\u00e9taj\u00ed","description":"Pt\u00e1k\u016f je na na\u0161\u00ed planet\u011b mnoho nejr\u016fzn\u011bj\u0161\u00edch druh\u016f. Naprostou v\u011bt\u0161inu<span class=\"more-dots\"><a href=\"https:\/\/www.folitec.cz\/proc-nekteri-ptaci-neletaji\/\">[ ... ]<\/span><\/a>","datePublished":"2023-08-08","dateModified":"2023-08-08","author":{"@type":"Person","@id":"https:\/\/www.folitec.cz\/author\/#Person","name":"","url":"https:\/\/www.folitec.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/d81a95b988e562d8ac0fc1eb5578e43f924bf78e85c5259f0dcab44a306610fa?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/d81a95b988e562d8ac0fc1eb5578e43f924bf78e85c5259f0dcab44a306610fa?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"folitec.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.folitec.cz\/wp-content\/uploads\/zvire1_4.jpg","url":"https:\/\/www.folitec.cz\/wp-content\/uploads\/zvire1_4.jpg","height":0,"width":0},"url":"https:\/\/www.folitec.cz\/proc-nekteri-ptaci-neletaji\/","about":["Zv\u00ed\u0159ata"],"wordCount":450,"articleBody":"Pt\u00e1k\u016f je na na\u0161\u00ed planet\u011b mnoho nejr\u016fzn\u011bj\u0161\u00edch druh\u016f. Naprostou v\u011bt\u0161inu z\u00a0nich pak m\u016f\u017eeme spat\u0159it, jak l\u00e9taj\u00ed po obloze, a\u0165 u\u017e se jedn\u00e1 o holuby, se kter\u00fdmi m\u00e1 zku\u0161enost asi ka\u017ed\u00fd z\u00a0n\u00e1s, nebo o n\u011bjak\u00fd vz\u00e1cn\u011bj\u0161\u00ed druh. Let je zkr\u00e1tka jednou z\u00a0v\u00fdsad pt\u00e1k\u016f, kterou jim zkr\u00e1tka nikdo neup\u0159e. Koneckonc\u016f jsou i druhy, kter\u00e9 ve vzduchu str\u00e1v\u00ed mnohem v\u00edce \u010dasu ne\u017e na zemi, a to i kdy\u017e po\u010d\u00edt\u00e1me sp\u00e1nek.\u00a0\u00a0Proto je pom\u011brn\u011b zaj\u00edmav\u00fd fakt, \u017ee n\u011bkte\u0159\u00ed pt\u00e1ci zkr\u00e1tka nel\u00e9taj\u00ed. Z\u00a0nich jsou zdaleka nejzn\u00e1m\u011bj\u0161\u00ed dv\u011b skupiny, a to p\u0161trosovit\u00ed, mezi kter\u00e9 pat\u0159\u00ed nap\u0159\u00edklad p\u0161tros, emu \u010di kiwi, a tu\u010d\u0148\u00e1ci. A to p\u0159esto, \u017ee i tito maj\u00ed k\u0159\u00eddla. Kdy\u017e pak uv\u00e1\u017e\u00edme, jakou l\u00e9t\u00e1n\u00ed p\u0159edstavuje v\u00fdhodu, m\u016f\u017eeme se pt\u00e1t, pro\u010d se vlastn\u011b nel\u00e9tav\u00ed pt\u00e1ci v\u016fbec vyvinuli. Na to se mus\u00edme na ka\u017edou ze skupin pod\u00edvat zvl\u00e1\u0161\u0165.\u00a0Pokud jde o p\u0161trosovit\u00e9, tak si se vyzna\u010duj\u00ed krom\u011b neschopnosti l\u00e9tat p\u0159edev\u0161\u00edm dlouh\u00fdma, siln\u00fdma nohama. Kopnut\u00ed od n\u011bj m\u016f\u017ee snadno zab\u00edt i \u010dlov\u011bka. To jim tak\u00e9 umo\u017e\u0148uje b\u011bhat velkou rychlost\u00ed, p\u0159i\u010dem\u017e jejich k\u0159\u00eddla jim p\u0159i b\u011bhu slou\u017e\u00ed jako kormidla, d\u00edky kter\u00fdm mohou rychle m\u011bnit sm\u011br. Proto je pro pred\u00e1tora pom\u011brn\u011b t\u011b\u017ek\u00e9 jej ulovit.\u00a0\u00a0Co se tu\u010d\u0148\u00e1k\u016f t\u00fd\u010de, ti se specializovali pro zm\u011bnu na \u017eivot v\u00a0nehostinn\u00fdch podm\u00ednk\u00e1ch ji\u017en\u00edho pol\u00e1rn\u00edho kruhu. Maj\u00ed nejen pe\u0159\u00ed, kter\u00e9 velmi dob\u0159e izoluje a je nepromokav\u00e9, ale z\u00e1rove\u0148 i silnou tukovou vrstvu. D\u00edky n\u00ed je jim teplo i v\u00a0nejv\u011bt\u0161\u00edch mrazech.\u00a0Vzhledem k\u00a0tomu, \u017ee zdaleka nejlep\u0161\u00ed zdroj potravy v\u00a0t\u011bchto oblastech p\u0159edstavuj\u00ed ryby, nen\u00ed divu, \u017ee se na n\u011b tito pt\u00e1ci za\u010dali specializovat. Jejich t\u011blo se p\u0159izp\u016fsobilo pobytu v\u00a0mo\u0159i, a k\u0159\u00eddla z\u00edskala v\u00a0podstat\u011b tvar ploutv\u00ed. D\u00edky nim se mohou pohybovat ve vod\u011b rychleji a mr\u0161tn\u011bji ne\u017e jak\u00fdkoliv jin\u00fd druh pt\u00e1ka, co\u017e jim zaru\u010duje vy\u0161\u0161\u00ed \u00fasp\u011b\u0161nost p\u0159i lovu.\u00a0Je tedy jasn\u00e9, \u017ee ani jeden z\u00a0t\u011bchto druh\u016f p\u0159i sv\u00e9m zp\u016fsobu \u017eivota l\u00e9tat nepot\u0159ebuje, zvl\u00e1\u0161t\u011b kdy\u017e uv\u00e1\u017e\u00edme, jak energeticky n\u00e1ro\u010dn\u00fd let je. A vzhledem k\u00a0tomu, \u017ee p\u0159e\u017e\u00edvaj\u00ed, je jasn\u00e9, \u017ee zvolili pro n\u011b spr\u00e1vnou cestu.                                                                                                                                                                                                                                                                                                                                                                                                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