[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.easygarden.cz\/ptaci-a-jejich-migrace\/#Article","mainEntityOfPage":"https:\/\/www.easygarden.cz\/ptaci-a-jejich-migrace\/","headline":"Pt\u00e1ci a jejich migrace","name":"Pt\u00e1ci a jejich migrace","description":"Um\u00edte si p\u0159edstavit, \u017ee byste na zimu v\u017edy odj\u00ed\u017ed\u011bli za teplem tis\u00edce kilometr\u016f do m\u00edst, tam, kde je klima mnohem...","datePublished":"2023-05-09","dateModified":"2023-05-09","author":{"@type":"Person","@id":"https:\/\/www.easygarden.cz\/author\/#Person","name":"","url":"https:\/\/www.easygarden.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/6eaf701939e92690bed32d6f2e2c0f9e1355f2e3837c1fb45fbfacf848239e2d?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/6eaf701939e92690bed32d6f2e2c0f9e1355f2e3837c1fb45fbfacf848239e2d?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"easygarden.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.easygarden.cz\/wp-content\/uploads\/img_a301108_w2080_t1511205137.jpg","url":"https:\/\/www.easygarden.cz\/wp-content\/uploads\/img_a301108_w2080_t1511205137.jpg","height":0,"width":0},"url":"https:\/\/www.easygarden.cz\/ptaci-a-jejich-migrace\/","wordCount":546,"articleBody":"Um\u00edte si p\u0159edstavit, \u017ee byste na zimu v\u017edy odj\u00ed\u017ed\u011bli za teplem tis\u00edce kilometr\u016f do m\u00edst, tam, kde je klima mnohem p\u0159\u00edv\u011btiv\u011bj\u0161\u00ed? A na ja\u0159e se zase vraceli, nebo\u0165 i u n\u00e1s zase za\u010d\u00edn\u00e1 sv\u00edtit slun\u00ed\u010dko a po\u010das\u00ed op\u011bt l\u00e1k\u00e1 zp\u011bt? Jist\u011b by se v\u00e1m necht\u011blo. Ta\u017en\u00ed pt\u00e1ci v\u0161ak nemaj\u00ed na v\u00fdb\u011br, dlouhou a tuhou zimu by toti\u017e v\u011bt\u0161ina z\u00a0nich v\u00a0mraziv\u00fdch podm\u00ednk\u00e1ch nep\u0159e\u017eila. A tak se v\u00a0houfu vyd\u00e1vaj\u00ed na dalekou cestu, odkud se po ukon\u010den\u00ed zimy zase vracej\u00ed do sv\u00e9ho hn\u00edzdi\u0161t\u011b.Kr\u00e1sn\u00fd p\u0159\u00edrodn\u00ed \u00fakazJe a\u017e k\u00a0neuv\u011b\u0159en\u00ed, jak se st\u011bhovav\u00ed pt\u00e1ci na podzim pravideln\u011b spoj\u00ed do velk\u00fdch hejn a spole\u010dn\u011b odl\u00e9taj\u00ed na jih. Tis\u00edcihlav\u00e1 hejna pak vytvo\u0159\u00ed kr\u00e1sn\u00fd p\u0159\u00edrodn\u00ed \u00fakaz, kter\u00fd po\u0159\u00e1d\u00e1 skv\u011bl\u00e9 leteck\u00e9 man\u00e9vry, a\u017e o\u010di p\u0159ech\u00e1zej\u00ed.V\u011bd\u011bli jste v\u0161ak, \u017ee tyto pt\u00e1ky \u010dek\u00e1 stra\u0161n\u011b t\u011b\u017ek\u00e1 a n\u00e1ro\u010dn\u00e1 cesta? Mnoz\u00ed z\u00a0nich musej\u00ed ulet\u011bt i p\u0159es deset tis\u00edc kilometr\u016f, a to bez zast\u00e1vky. Jsou to dob\u0159\u00ed letci, proto\u017ee dok\u00e1\u017eou let\u011bt a\u017e sto kilometrovou rychlost\u00ed, ti men\u0161\u00ed pt\u00e1ci kolikr\u00e1t let\u00ed o polovinu pomaleji. Pokud je to pro n\u011b mo\u017en\u00e9, cestou si v\u017edy sna\u017e\u00ed odpo\u010dinout, aby nabrali s\u00edlu k\u00a0dal\u0161\u00edmu letu. N\u011bkdy musej\u00ed p\u0159elet\u011bt cel\u00e9 mo\u0159e, co\u017e trv\u00e1 a\u017e 14 hodin, k\u00a0odpo\u010dinku pak vyu\u017e\u00edvaj\u00ed r\u016fzn\u00fdch ostrov\u016f. Mnoz\u00ed z\u00a0nich ji\u017e maj\u00ed vytipovan\u00e1 sv\u00e1 odpo\u010dinkov\u00e1 m\u00edsta. N\u011bkte\u0159\u00ed v\u0161ak n\u00e1ro\u010dnou cestu nezvl\u00e1dnou a uhynou. Na vin\u011b m\u016f\u017ee b\u00fdt \u0161patn\u00e9 po\u010das\u00ed, elektrick\u00e9 veden\u00ed \u010di nevhodn\u00e9 \u017eivotn\u00ed podm\u00ednky.Chyst\u00e1n\u00ed se na cestuP\u0159ed dlouhou cestou se musej\u00ed pt\u00e1ci po\u0159\u00e1dn\u011b nasytit, aby let p\u0159e\u017eili, proto\u017ee cesta je velmi n\u00e1ro\u010dn\u00e1. Proto cel\u00fd podzim vyhled\u00e1vaj\u00ed potravu bohatou na cukry, aby hodn\u011b p\u0159ibrali.Bez navigaceJak ale mohou v\u0161ichni ti pt\u00e1ci v\u011bd\u011bt, kam maj\u00ed let\u011bt? V\u017edy\u0165 nemaj\u00ed \u017e\u00e1dnou navigaci \u010di jinou technickou pom\u016fcku, a p\u0159esto se v\u017edy p\u0159esn\u011b tref\u00ed do sv\u00e9 lokality. Oni si v\u0161ak dovedou poradit po sv\u00e9m. Jako navigaci pou\u017e\u00edvaj\u00ed p\u0159es den slunce, a p\u0159es noc stel\u00e1rn\u00ed kompas. N\u00e1pomocni jsou jim tak\u00e9 jejich vnit\u0159n\u00ed hodiny, d\u00edky kter\u00fdm pudov\u011b ur\u010duj\u00ed sv\u011btov\u00e9 strany i odklon slunce.Pro\u010d pt\u00e1ci migruj\u00ed?Ne v\u0161ichni pt\u00e1ci migruj\u00ed kv\u016fli zim\u011b, kter\u00e1 by je jinak \u010dekala. I kdy\u017e teplotn\u00ed zm\u011bny jsou nej\u010dast\u011bj\u0161\u00ed p\u0159\u00ed\u010dinou jejich odletu. N\u011bkte\u0159\u00ed cestuj\u00ed t\u0159eba proto, aby vyu\u017eili dostupnosti potravy a hn\u00edzdn\u00edch lokalit. Mnoz\u00ed se cht\u011bj\u00ed vyhnout \u0161patn\u00fdm pov\u011btrnostn\u00edm podm\u00ednk\u00e1m, jin\u00ed zase tou\u017e\u00ed nejen po sez\u00f3nn\u00edch teplot\u00e1ch, ale tak\u00e9 po del\u0161\u00edm denn\u00edm sv\u011btle. N\u011bkte\u0159\u00ed se dokonce jen tak toulaj\u00ed a nemaj\u00ed ani \u017e\u00e1dn\u00e9 za\u017eit\u00e9 st\u011bhovav\u00e9 cesty.                                                                                                                                                                                                                                                                                                                                                                                        3.7\/5 - (8 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Pt\u00e1ci a jejich migrace","item":"https:\/\/www.easygarden.cz\/ptaci-a-jejich-migrace\/#breadcrumbitem"}]}]