{"id":147303,"date":"2026-08-10T16:59:09","date_gmt":"2026-08-10T16:59:09","guid":{"rendered":"https:\/\/www.europesays.com\/sk\/147303\/"},"modified":"2026-08-10T16:59:09","modified_gmt":"2026-08-10T16:59:09","slug":"v-katmai-zachytili-vzacne-striebriste-medvieda-odbornici-vysvetluju-farbu","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/sk\/147303\/","title":{"rendered":"V Katmai zachytili vz\u00e1cne striebrist\u00e9 medvie\u010fa, odborn\u00edci vysvet\u013euj\u00fa farbu"},"content":{"rendered":"<p>Medvie\u010fa m\u00e1 zvl\u00e1\u0161tnu farbu.\t\t\t\t\t\t(Zdroj: X)\t\t\t\t\t<\/p>\n<p>KING SALMON \u2013 Uprostred zelene sed\u00ed mal\u00e9 medvie\u010fa s takmer striebristou srs\u0165ou a pokojne z\u00edva do kamery. Nezvy\u010dajn\u00e9 z\u00e1bery z alja\u0161skej divo\u010diny okam\u017eite rozbehli \u0161pekul\u00e1cie. Mohol by to by\u0165 vz\u00e1cny kr\u00ed\u017eenec hned\u00e9ho a \u013eadov\u00e9ho medve\u010fa? Odborn\u00edci z N\u00e1rodn\u00e9ho parku Katmai maj\u00fa podstatne jednoduch\u0161ie vysvetlenie.<\/p>\n<p>\t\t\t\tMedvie\u010fa okam\u017eite up\u00fatalo pozornos\u0165<\/p>\n<p>Nezvy\u010dajn\u00e9ho obyvate\u013ea N\u00e1rodn\u00e9ho parku a rezerv\u00e1cie Katmai na Alja\u0161ke zachytili 3. augusta kamery, prostredn\u00edctvom ktor\u00fdch m\u00f4\u017eu \u013eudia po celom svete na\u017eivo sledova\u0165 \u017eivot tamoj\u0161\u00edch medve\u010fov hned\u00fdch.<\/p>\n<p>A toto ml\u00e1\u010fa sa prehliadnu\u0165 naozaj nedalo.<\/p>\n<p>Namiesto typickej hnedej srsti m\u00e1 ve\u013emi svetl\u00fd, miestami a\u017e striebristo-biely ko\u017euch. Organiz\u00e1cia Explore.org, ktor\u00e1 zabezpe\u010duje \u017eiv\u00e9 prenosy z Katmai, ho ozna\u010dila za jedno z najnezvy\u010dajnej\u0161ie vyzeraj\u00facich ml\u00e1\u010fat, ak\u00e9 tamoj\u0161ie kamery zachytili.<\/p>\n<p>Pod\u013ea Popular Science m\u00e1 pribli\u017ene \u0161es\u0165 mesiacov. Nejde pritom o \u00faplne nov\u00e9ho n\u00e1v\u0161tevn\u00edka \u2013 prv\u00fdkr\u00e1t ho pozorovali u\u017e 23. j\u00fana na dolnom toku rieky Brooks. Vtedy bolo so svojou matkou, medvedicou s eviden\u010dn\u00fdm \u010d\u00edslom 677.<\/p>\n<p>&#13;<\/p>\n<p dir=\"ltr\" lang=\"en\">Finally, a close-up of one of the most unique-looking brown bear cubs we&#8217;ve ever witnessed on our Katmai cams! This is bear 677&#8217;s little one. <a href=\"https:\/\/t.co\/R9XeKrrsVp\" rel=\"nofollow\">pic.twitter.com\/R9XeKrrsVp<\/a><\/p>\n<p>&#13;<br \/>\n\u2014 explore.org (@exploreorg) <a href=\"https:\/\/x.com\/exploreorg\/status\/2084679140012376282?ref_src=twsrc%5Etfw\" rel=\"nofollow\">August 4, 2026<\/a><\/p>\n<p>Je to kr\u00ed\u017eenec s \u013eadov\u00fdm medve\u010fom?<\/p>\n<p>Pr\u00e1ve nezvy\u010dajn\u00e1 farba srsti vyvolala medzi div\u00e1kmi ot\u00e1zku, \u010di sa nepozeraj\u00fa na takzvan\u00e9ho pizzlyho alebo grolara \u2013 kr\u00ed\u017eenca \u013eadov\u00e9ho medve\u010fa a grizlyho.<\/p>\n<p>Tak\u00e9to kr\u00ed\u017eence skuto\u010dne existuj\u00fa a boli zdokumentovan\u00e9 aj vo vo\u013enej pr\u00edrode. V tomto pr\u00edpade v\u0161ak odborn\u00edci t\u00fato te\u00f3riu nepova\u017euj\u00fa za pravdepodobn\u00fa.<\/p>\n<p>\u201eU\u017e v minulosti sme videli striebristo vyzeraj\u00face medvie\u010fat\u00e1 a pripisujeme to genetike,\u201c vysvetlila pre Popular Science rangerka N\u00e1rodn\u00e9ho parku Katmai Sarah Bruce. Dodala, \u017ee tamoj\u0161ie medvede m\u00f4\u017eu ma\u0165 ve\u013emi rozdielne farby srsti a v parku \u017eije aj ve\u013ea svetl\u00fdch jedincov.<\/p>\n<p>\u013dadov\u00e9 medvede s\u00fa pr\u00edli\u0161 \u010faleko<\/p>\n<p>Proti te\u00f3rii o kr\u00ed\u017eencovi hovor\u00ed predov\u0161etk\u00fdm geografia.<\/p>\n<p>Sarah Bruce upozornila, \u017ee Katmai le\u017e\u00ed pr\u00edli\u0161 \u010faleko na juh od be\u017en\u00e9ho v\u00fdskytu \u013eadov\u00fdch medve\u010fov. Z\u00e1rove\u0148 neexistuj\u00fa d\u00f4kazy, \u017ee by sa hned\u00e9 medvede z Katmai pres\u00favali dostato\u010dne \u010faleko na sever, aby sa s \u013eadov\u00fdmi medve\u010fmi stret\u00e1vali a rozmno\u017eovali.<\/p>\n<p>Najpravdepodobnej\u0161ie vysvetlenie je teda ove\u013ea menej exotick\u00e9: ide o oby\u010dajn\u00e9ho medve\u010fa hned\u00e9ho (Ursus arctos) s mimoriadne svetlou srs\u0165ou, za ktorou stoj\u00ed genetika.<\/p>\n<p>Svetl\u00e1 srs\u0165 mu neprek\u00e1\u017ea<\/p>\n<p>\u010cloveku m\u00f4\u017ee napadn\u00fa\u0165 e\u0161te jedna ot\u00e1zka. Nie je tak\u00e9to n\u00e1padn\u00e9 sfarbenie v divo\u010dine nev\u00fdhodou?<\/p>\n<p>Pod\u013ea odborn\u00edkov nie. Medvede nie s\u00fa pri z\u00edskavan\u00ed potravy odk\u00e1zan\u00e9 na maskovanie tak\u00fdm sp\u00f4sobom ako niektor\u00e9 in\u00e9 \u0161elmy, tak\u017ee nezvy\u010dajne svetl\u00e1 srs\u0165 by ml\u00e1\u010fa nemala vystavova\u0165 v\u00e4\u010d\u0161iemu nebezpe\u010denstvu.<\/p>\n<p>Jeho matka, medvedica 677, je pritom pre vedcov st\u00e1le pomerne nezn\u00e1mym jedincom. Na kamer\u00e1ch ju zaznamenali u\u017e v roku 2024, ofici\u00e1lne ju v\u0161ak za\u010dali sledova\u0165 a\u017e vlani. V\u00e4\u010d\u0161inou sa dr\u017e\u00ed bokom od ostatn\u00fdch medve\u010fov.<\/p>\n<p>Kamery sleduj\u00fa medved\u00ed \u017eivot bez prikr\u00e1\u0161lenia<\/p>\n<p>Katmai patr\u00ed k najzn\u00e1mej\u0161\u00edm miestam na svete na pozorovanie medve\u010fov hned\u00fdch. Kamery pri rieke Brooks a Brooks Falls ka\u017ed\u00e9 leto sleduj\u00fa zvierat\u00e1, ktor\u00e9 sa sem s\u0165ahuj\u00fa za lososmi.<\/p>\n<p>Americk\u00e1 National Park Service uv\u00e1dza, \u017ee doln\u00fd tok rieky je mimoriadne d\u00f4le\u017eit\u00fd pr\u00e1ve pre medvedie rodiny. Od polovice j\u00fana do jesene tam mo\u017eno pozorova\u0165 matky s tohtoro\u010dn\u00fdmi ml\u00e1\u010fatami aj star\u0161\u00edmi potomkami.<\/p>\n<p>Pr\u00edroda, ktor\u00fa kamery ukazuj\u00fa, v\u0161ak z\u010faleka nie je iba idylick\u00e1. Len po\u010das posledn\u00fdch dn\u00ed zachytili aj smr\u0165 dvoch medvie\u010fat po \u00fatokoch in\u00fdch medved\u00edc. Biol\u00f3g parku Michael Saxon 3. augusta odhadol, \u017ee prv\u00fd rok pre\u017eije pribli\u017ene 33 a\u017e 50 percent jarn\u00fdch ml\u00e1\u010fat.<\/p>\n<p>Striebrist\u00e9 medvie\u010fa teda \u010dak\u00e1 e\u0161te ne\u013eahk\u00e9 obdobie. Jedno v\u0161ak u\u017e dok\u00e1zalo \u2013 v konkurencii stoviek medve\u010fov z Katmai si ho v\u0161imol prakticky cel\u00fd svet.<\/p>\n<p>\t\t\t<script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script><\/p>\n","protected":false},"excerpt":{"rendered":"Medvie\u010fa m\u00e1 zvl\u00e1\u0161tnu farbu. (Zdroj: X) KING SALMON \u2013 Uprostred zelene sed\u00ed mal\u00e9 medvie\u010fa s takmer striebristou srs\u0165ou&hellip;\n","protected":false},"author":2,"featured_media":147304,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_share_on_mastodon":"0"},"categories":[8],"tags":[9588,33,5887,43,40,42,36,44777,50,49,48],"class_list":["post-147303","post","type-post","status-publish","format-standard","has-post-thumbnail","category-svet","tag-medved-hnedy","tag-news","tag-objav","tag-sk","tag-slovak","tag-slovencina","tag-spravy","tag-striebrista-srt","tag-svet","tag-world","tag-world-news"],"share_on_mastodon":{"url":"https:\/\/pubeurope.com\/@sk\/117072282439298969","error":""},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/sk\/wp-json\/wp\/v2\/posts\/147303","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.europesays.com\/sk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.europesays.com\/sk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/sk\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/sk\/wp-json\/wp\/v2\/comments?post=147303"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/sk\/wp-json\/wp\/v2\/posts\/147303\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/sk\/wp-json\/wp\/v2\/media\/147304"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/sk\/wp-json\/wp\/v2\/media?parent=147303"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/sk\/wp-json\/wp\/v2\/categories?post=147303"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/sk\/wp-json\/wp\/v2\/tags?post=147303"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}