Tento opakovan\u00fd vzorec pozorov\u00e1n\u00ed nakonec p\u0159esv\u011bd\u010dil \u00fa\u0159edn\u00edky, aby brali zpr\u00e1vy v\u00e1\u017en\u011b.<\/p>\n\n\n\n
Kdy\u017e odborn\u00edci prozkoumali dostupn\u00e9 z\u00e1b\u011bry, v\u0161imli si n\u011b\u010deho neobvykl\u00e9ho: rozp\u011bt\u00ed k\u0159\u00eddel dravce dosahovalo t\u00e9m\u011b\u0159 deseti stop (asi 3 metr\u016f), co\u017e daleko p\u0159evy\u0161uje velikost severoamerick\u00fdch orl\u016f b\u011blohlav\u00fdch a orl\u016f skaln\u00edch. 3 minuty \u010dten\u00ed<\/p>\n\n\n\n
Koordinovan\u00fd t\u00fdm za\u010dal pt\u00e1ka monitorovat pomoc\u00ed termovizn\u00edch kamer a GPS za\u0159\u00edzen\u00ed a pe\u010dliv\u011b sledoval jeho pohyb, aby ho neru\u0161il.<\/p>\n\n\n\n
Po n\u011bkolika pokusech se specialist\u016fm poda\u0159ilo zv\u00ed\u0159e bezpe\u010dn\u011b odchytit a p\u0159epravit do zabezpe\u010den\u00e9ho centra pro divokou zv\u011b\u0159 v Brownsville.<\/p>\n\n\n\n
V centru se v\u011bdci shrom\u00e1\u017edili kolem obrovsk\u00e9ho pred\u00e1tora, aby zdokumentovali jeho rozm\u011bry a pot\u00e9 zah\u00e1jili d\u016fkladnou studii. Shrom\u00e1\u017edili pe\u0159\u00ed, krev a dal\u0161\u00ed biologick\u00fd materi\u00e1l pro sekvenov\u00e1n\u00ed DNA a metabolick\u00e9 studie v nad\u011bji, \u017ee pochop\u00ed, jak mohl tak velk\u00fd pred\u00e1tor z\u016fstat tak dlouho neodhalen.<\/p>\n\n\n\n
N\u011bkte\u0159\u00ed v\u011bdci se ptali, zda pt\u00e1k p\u0159edstavuje nezn\u00e1m\u00fd druh. Jin\u00ed zva\u017eovali mo\u017enost, \u017ee jeho neobvykl\u00fd r\u016fst zp\u016fsobuje vz\u00e1cn\u00e1 genetick\u00e1 porucha. T\u00fdm cht\u011bl tak\u00e9 zjistit, co pt\u00e1k jedl a kam cestoval, ne\u017e dorazil do Brownsville.<\/p>\n\n\n\n
Nejstar\u0161\u00ed genetick\u00e9 v\u00fdsledky nazna\u010dovaly, \u017ee pt\u00e1k nebyl jen nadm\u011brn\u011b velkou verz\u00ed zn\u00e1m\u00e9ho orla. Jeho profil obsahoval rysy, kter\u00e9 v\u011bdci neo\u010dek\u00e1vali, \u017ee by pohromad\u011b na\u0161li, a srovn\u00e1n\u00ed s datab\u00e1zemi zn\u00e1m\u00fdch severoamerick\u00fdch dravc\u016f a historick\u00fdmi exempl\u00e1\u0159i nebyla jednozna\u010dn\u00e1.<\/p>\n\n\n\n
V\u011bdc\u016fm tak p\u0159edch\u00e1zelo n\u011bkolik mo\u017enost\u00ed: extr\u00e9mn\u011b vz\u00e1cn\u00e1, nezdokumentovan\u00e1 populace, neobvykl\u00e1 genetick\u00e1 variace nebo n\u011bco, co dosud nebylo katalogizov\u00e1no. \u017d\u00e1dn\u00e9 jedin\u00e9 vysv\u011btlen\u00ed nesed\u011blo dokonale.<\/strong><\/p>\n\n\n\n Obrovsk\u00e9 t\u011blo pt\u00e1ka tak\u00e9 vyvolalo ot\u00e1zky ohledn\u011b jeho samotn\u00e9ho letu. V\u011bdci studovali jeho kosti, svaly, k\u0159\u00eddla a metabolismus a sna\u017eili se pochopit, jak se zv\u00ed\u0159e t\u00e9to velikosti mohlo \u00fasp\u011b\u0161n\u011b udr\u017eet ve vzduchu.<\/p>\n\n\n\n Anal\u00fdza pe\u0159\u00ed p\u0159idala do z\u00e1hady dal\u0161\u00ed prvek. Nazna\u010dila, \u017ee pt\u00e1k urazil zna\u010dn\u00e9 vzd\u00e1lenosti a jedl pestrou stravu, co\u017e nazna\u010duje, \u017ee mohl let\u011bt odlehl\u00fdmi oblastmi, kde nebyla jeho velikost pozorov\u00e1na. V\u011bdci za\u010dali pl\u00e1novat dal\u0161\u00ed sledov\u00e1n\u00ed, aby zmapovali jeho pohyb, ani\u017e by naru\u0161ili jeho p\u0159irozen\u00e9 chov\u00e1n\u00ed.<\/p>\n\n\n\n Objev upoutal pozornost \u00fa\u0159edn\u00edk\u016f pro ochranu p\u0159\u00edrody, kte\u0159\u00ed cht\u011bli zv\u00ed\u0159e chr\u00e1nit a z\u00e1rove\u0148 udr\u017eet zv\u011bdav\u00e9 davy na uzd\u011b. Zpr\u00e1va o pt\u00e1kovi se roz\u0161\u00ed\u0159ila daleko za hranice v\u011bdeck\u00fdch kruh\u016f a m\u00edstn\u00ed \u00fa\u0159edn\u00edci za\u010dali diskutovat o vytvo\u0159en\u00ed specializovan\u00e9 v\u00fdzkumn\u00e9 rezervace, kde by mohl v\u00fdzkum pokra\u010dovat a z\u00e1rove\u0148 vzd\u011bl\u00e1vat ve\u0159ejnost o divok\u00e9 p\u0159\u00edrod\u011b v regionu. Tak\u00e9 turistick\u00fd pr\u016fmysl to vid\u011bl jako p\u0159\u00edle\u017eitost, a\u010dkoli odborn\u00edci zd\u016fraz\u0148ovali, \u017ee ochrana tohoto zv\u00ed\u0159ete mus\u00ed b\u00fdt prioritou.<\/p>\n\n\n\n V\u011bdci se tak\u00e9 vr\u00e1tili v \u010dase a porovnali neobvykl\u00e9 proporce pt\u00e1ka s vyhynul\u00fdmi ob\u0159\u00edmi dravci, v\u010detn\u011b novoz\u00e9landsk\u00e9ho orla Haastova, druhu, kter\u00fd kdysi vl\u00e1dl zcela jin\u00e9mu ekosyst\u00e9mu. Toto srovn\u00e1n\u00ed poskytlo v\u011bdc\u016fm u\u017eite\u010dn\u00fd r\u00e1mec pro studium evoluce velk\u00fdch dravc\u016f a fyzick\u00fdch omezen\u00ed, kter\u00e1 nakonec omezila jejich velikost.<\/p>\n\n\n\n V\u011bdci se prozat\u00edm vyh\u00fdbaj\u00ed za\u0159azen\u00ed tohoto dravce do jak\u00e9koli trval\u00e9 klasifikace. Ne\u017e bude mo\u017en\u00e9 definitivn\u011b ur\u010dit, co ho \u010din\u00ed jedine\u010dn\u00fdm, je zapot\u0159eb\u00ed dal\u0161\u00edho v\u00fdzkumu. Tento pt\u00e1k je nad\u00e1le pe\u010dliv\u011b sledov\u00e1n a v\u011bdci nad\u00e1le studuj\u00ed jeho DNA, anatomii, stravu a pohyb.<\/p>\n\n\n\n A\u0165 u\u017e je kone\u010dn\u00e9 vysv\u011btlen\u00ed jak\u00e9koli, tento objev ji\u017e zm\u011bnil debatu o tom, kolik divok\u00fdch zv\u00ed\u0159at se st\u00e1le m\u016f\u017ee skr\u00fdvat na m\u00edstech, o nich\u017e se dlouho myslelo, \u017ee jsou pln\u011b prozkoum\u00e1na. Pt\u00e1k, u kter\u00e9ho mnoz\u00ed pova\u017eovali \u017eivot, p\u0159im\u011bl v\u011bdce k p\u0159ehodnocen\u00ed limit\u016f toho, co m\u016f\u017ee p\u0159\u00edroda stvo\u0159it \u2013 a ponechal otev\u0159enou mo\u017enost, \u017ee nad hlavou by mohl ti\u0161e let\u011bt dal\u0161\u00ed mimo\u0159\u00e1dn\u00fd n\u00e1lez.<\/p>\n","protected":false},"excerpt":{"rendered":"Tento opakovan\u00fd vzorec pozorov\u00e1n\u00ed nakonec p\u0159esv\u011bd\u010dil \u00fa\u0159edn\u00edky, aby brali zpr\u00e1vy v\u00e1\u017en\u011b. Kdy\u017e odborn\u00edci prozkoumali dostupn\u00e9 z\u00e1b\u011bry, v\u0161imli si n\u011b\u010deho neobvykl\u00e9ho: rozp\u011bt\u00ed k\u0159\u00eddel dravce \n [...]<\/a>","protected":false},"author":1,"featured_media":19916,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-19915","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"_links":{"self":[{"href":"https:\/\/fakt24.biz.ua\/index.php?rest_route=\/wp\/v2\/posts\/19915","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fakt24.biz.ua\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fakt24.biz.ua\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fakt24.biz.ua\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fakt24.biz.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=19915"}],"version-history":[{"count":1,"href":"https:\/\/fakt24.biz.ua\/index.php?rest_route=\/wp\/v2\/posts\/19915\/revisions"}],"predecessor-version":[{"id":19917,"href":"https:\/\/fakt24.biz.ua\/index.php?rest_route=\/wp\/v2\/posts\/19915\/revisions\/19917"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/fakt24.biz.ua\/index.php?rest_route=\/wp\/v2\/media\/19916"}],"wp:attachment":[{"href":"https:\/\/fakt24.biz.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=19915"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fakt24.biz.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=19915"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fakt24.biz.ua\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=19915"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}Ozv\u011bny starov\u011bk\u00e9ho obra<\/h2>\n\n\n\n