[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.acron.sk\/narval-morsky-jednorozec\/#Article","mainEntityOfPage":"https:\/\/www.acron.sk\/narval-morsky-jednorozec\/","headline":"Narval \u2013 Morsk\u00fd jednoro\u017eec","name":"Narval \u2013 Morsk\u00fd jednoro\u017eec","description":"Narval jednoroh\u00fd (Monodon monoceros) \u017eije najm\u00e4 v\u00a0chladn\u00fdch vod\u00e1ch Severn\u00e9ho \u013eadov\u00e9ho oce\u00e1nu.\u00a0 Je to ve\u013eryba strednej ve\u013ekosti, m\u00e1 v\u00a0priemere 4 metre (bez klu). \u00a0Kel Jeho \u201eroh\u201c je vlastne v\u00a0skuto\u010dnosti zub, pretiahnut\u00fd \u013eav\u00fd tes\u00e1k hornej \u010de\u013euste, ktor\u00fd vytv\u00e1ra kel. Rastie po\u010das cel\u00e9ho \u017eivota a\u00a0m\u00f4\u017ee dosiahnu\u0165 d\u013a\u017eku 1,5 a\u017e 3,5 metra, je dut\u00fd a\u00a0v\u00e1\u017ei pribli\u017ene 10 kg. S\u00fa […]","datePublished":"2025-03-02","dateModified":"2025-03-02","author":{"@type":"Person","@id":"https:\/\/www.acron.sk\/author\/#Person","name":"acron.sk\n","url":"https:\/\/www.acron.sk\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/53fcaa7178df0f37d30678446939b206ab1017330cccbc8c93b5efa33cddcf51?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/53fcaa7178df0f37d30678446939b206ab1017330cccbc8c93b5efa33cddcf51?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"acron.sk","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.acron.sk\/wp-content\/uploads\/img_a286068_w2036_t1521662982.png","url":"https:\/\/www.acron.sk\/wp-content\/uploads\/img_a286068_w2036_t1521662982.png","height":0,"width":0},"url":"https:\/\/www.acron.sk\/narval-morsky-jednorozec\/","about":["Zvierat\u00e1"],"wordCount":367,"articleBody":"Narval jednoroh\u00fd (Monodon monoceros) \u017eije najm\u00e4 v\u00a0chladn\u00fdch vod\u00e1ch Severn\u00e9ho \u013eadov\u00e9ho oce\u00e1nu.\u00a0 Je to ve\u013eryba strednej ve\u013ekosti, m\u00e1 v\u00a0priemere 4 metre (bez klu).\u00a0KelJeho \u201eroh\u201c je vlastne v\u00a0skuto\u010dnosti zub, pretiahnut\u00fd \u013eav\u00fd tes\u00e1k hornej \u010de\u013euste, ktor\u00fd vytv\u00e1ra kel. Rastie po\u010das cel\u00e9ho \u017eivota a\u00a0m\u00f4\u017ee dosiahnu\u0165 d\u013a\u017eku 1,5 a\u017e 3,5 metra, je dut\u00fd a\u00a0v\u00e1\u017ei pribli\u017ene 10 kg. S\u00fa vyvinut\u00e9 najm\u00e4 u\u00a0samcov, m\u00e1 ich iba 15% sam\u00edc, a\u00a0aj to men\u0161ie. Prav\u00fd tes\u00e1k zakrpatie, iba u\u00a01 z 500 samcov sa vyv\u00edjaj\u00fa rovnako a\u00a0s\u00fa oba ve\u013ek\u00e9. Tento kel je pln\u00fd nervov\u00fdch zakon\u010den\u00ed , ktor\u00e9 sprostredk\u00favaj\u00fa vnemy medzi vonkaj\u0161\u00edm prostred\u00edm a\u00a0mozgom. Pom\u00e1ha narvalovi zisti\u0165 tlak, teplotu, h\u013abku vody, je potrebn\u00fd pri orient\u00e1cii. Zis\u0165uje, kde je \u013ead dostato\u010dne tenk\u00fd, aby ho mohol hlavou prerazi\u0165. Existuj\u00fa ja te\u00f3rie, pod\u013ea ktor\u00fdch sl\u00fa\u017ei kel pri s\u00fabojoch o\u00a0samicu. Kedysi boli pr\u00e1\u0161ku z\u00a0rozdrven\u00e9ho klu pripisovan\u00e9 magick\u00e9 a\u00a0lie\u010div\u00e9 \u00fa\u010dinky, preto bol narval masovo loven\u00fd.\u00a0Spr\u00e1vanieZvy\u010dajne sa zhroma\u017e\u010fuj\u00fa v\u00a0skupin\u00e1ch okolo 5 a\u017e 10 jedincov, niekedy a\u017e 20. V\u00a0lete sa skupiny stret\u00e1vaj\u00fa a\u00a0vytv\u00e1raj\u00fa agreg\u00e1cie, ktor\u00e9 obsahuj\u00fa 500 a\u017e 1000 jedincov. Samica narvala je gravidn\u00e1 14 mesiacov, rod\u00ed zv\u00e4\u010d\u0161a jedno die\u0165a, o\u00a0ktor\u00e9 sa dlho star\u00e1, koj\u00ed ho aj 2 roky.\u00a0StravaNarvaly maj\u00fa pomerne obmedzen\u00fa a \u0161pecializovan\u00fa stravu. Ich koris\u0165 sa sklad\u00e1 preva\u017ene z gr\u00f3nskeho halibuta, pol\u00e1rnej\u00a0 a arktickej tresky, s\u00e9pie, kreviet a med\u00faz.\u00a0Komunik\u00e1ciaRovnako ako u v\u00e4\u010d\u0161iny ozuben\u00fdch ve\u013er\u00fdb, aj narvaly pou\u017e\u00edvaj\u00fa pre navig\u00e1ciu a h\u013eadanie jedla zvuk. „Kliknutia„, „p\u00edskania“ a „zaklopania“ s\u00fa vytvoren\u00e9 vzduchom medzi komorami v bl\u00edzkosti d\u00fdchacieho otvoru a odrazom od \u0161ikmej prednej strany lebky. Tieto zvuky s\u00fa potom zameran\u00e9 svalstvom na \u010dele zviera\u0165a. „Kliky“ vytv\u00e1raj\u00fa na echolok\u00e1ciu koristi, tak aj pre lokaliz\u00e1ciu prek\u00e1\u017eok na kr\u00e1tke vzdialenosti. Je mo\u017en\u00e9, \u017ee jednotliv\u00e9 „buchnutia“ dok\u00e1\u017eu dezorientova\u0165 alebo zneschopni\u0165 koris\u0165, \u010do u\u013eah\u010duje lovenie, ale nie je to s\u00a0ur\u010ditos\u0165ou overen\u00e9.\u00a0                                                                                                                                                                                                                                                                                                                                                                                        5\/5 - (4 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Narval \u2013 Morsk\u00fd jednoro\u017eec","item":"https:\/\/www.acron.sk\/narval-morsky-jednorozec\/#breadcrumbitem"}]}]