Tis\u00edce ta\u017en\u00fdch pt\u00e1k\u016f bylo nalezeno mrtv\u00fdch na jihoz\u00e1pad\u011b Spojen\u00fdch st\u00e1t\u016f, co\u017e zanechalo v\u011bdce zmaten\u00e9 a znepokojen\u00e9. Tento jev, popisovan\u00fd jako \u201ebezprecedentn\u00ed\u201c, byl zaznamen\u00e1n minim\u00e1ln\u011b v p\u011bti st\u00e1tech USA a \u010dty\u0159ech mexick\u00fdch st\u00e1tech.<\/p>\n\n
Mrtv\u00ed pt\u00e1ci pat\u0159\u00ed do \u0161irok\u00e9ho spektra druh\u016f, v\u010detn\u011b sov, p\u011bvc\u016f, kolib\u0159\u00edk\u016f, pot\u00e1pek, lejsk\u016f, datl\u016f a dal\u0161\u00edch. Je pozoruhodn\u00e9, \u017ee m\u00edstn\u00ed druhy pt\u00e1k\u016f, jako jsou kuka\u010dky a k\u0159epelky, nebyly \u00fahynem dot\u010deny.<\/p>\n\n
Tento jev poprv\u00e9 p\u0159it\u00e1hl pozornost, kdy\u017e byly v srpnu objeveny stovky mrtv\u00fdch pt\u00e1k\u016f v raketov\u00e9 st\u0159elnici White Sands v Nov\u00e9m Mexiku. Od t\u00e9 doby se objevily podobn\u00e9 zpr\u00e1vy z dal\u0161\u00edch m\u00edst v Nov\u00e9m Mexiku, stejn\u011b jako z Arizony, Texasu, Colorada a mexick\u00e9ho st\u00e1tu Chihuahua.<\/p>\n\n
V\u011bdci aktivn\u011b zkoumaj\u00ed mo\u017en\u00e9 p\u0159\u00ed\u010diny hromadn\u00e9ho \u00fahynu. Jednou z hypot\u00e9z je, \u017ee \u010detn\u00e9 lesn\u00ed po\u017e\u00e1ry ho\u0159\u00edc\u00ed pod\u00e9l z\u00e1padn\u00edho pob\u0159e\u017e\u00ed mohly p\u0159isp\u011bt k \u00famrt\u00edm v d\u016fsledku vdechov\u00e1n\u00ed kou\u0159e nebo nucen\u00fdch zm\u011bn trasy. Dal\u0161\u00ed mo\u017enost\u00ed je n\u00e1hl\u00e1 vlna veder, kter\u00e1 ned\u00e1vno zas\u00e1hla \u010d\u00e1sti Skalnat\u00fdch hor a High Plains. Tak\u00e9 se zkoum\u00e1 sucho na jihoz\u00e1pad\u011b, kter\u00e9 zdecimovalo populace hmyzu, na kter\u00fdch je mnoho ta\u017en\u00fdch pt\u00e1k\u016f z\u00e1visl\u00fdch pro svou potravu.<\/p>\n\n
Mnoho mrtv\u00fdch pt\u00e1k\u016f, kter\u00e9 v\u011bdci sesb\u00edrali, vykazuje zn\u00e1mky vyhublosti, co\u017e nazna\u010duje, \u017ee mo\u017en\u00e1 m\u011bli pot\u00ed\u017ee naj\u00edt potravu. N\u011bkte\u0159\u00ed pt\u00e1ci dokonce vypadaj\u00ed, \u017ee prost\u011b vypadli z nebe b\u011bhem letu.<\/p>\n\n
\u201eJsou to doslova jen pe\u0159\u00ed a kosti,\u201c \u0159ekla Allison Salasov\u00e1, postgradu\u00e1ln\u00ed studentka na New Mexico State University, kter\u00e1 sb\u00edrala mrtv\u00e1 t\u011bla. \u201eT\u00e9m\u011b\u0159 jako by l\u00e9tali, dokud u\u017e prost\u011b nemohli l\u00e9tat.\u201c<\/p>\n\n
Martha Desmondov\u00e1, ekolo\u017eka z New Mexico State University, popsala situaci jako \u201en\u00e1rodn\u00ed trag\u00e9dii\u201c.<\/p>\n\n
\u201eVid\u011bt um\u00edrat tolik jedinc\u016f a druh\u016f je zni\u010duj\u00edc\u00ed,\u201c \u0159ekla. \u201eJe to p\u0159ipom\u00ednka prov\u00e1zanosti na\u0161ich ekosyst\u00e9m\u016f.\u201c<\/p>\n\n
Ve\u0159ejnost je vyz\u00fdv\u00e1na, aby hl\u00e1sila jak\u00e9koli neobvykl\u00e9 mrtv\u00e9 pt\u00e1ky, kter\u00e9 najde, pomoc\u00ed webov\u00fdch str\u00e1nek iNaturalist nebo mobiln\u00ed aplikace. Tato data by mohla v\u011bdc\u016fm pomoci pochopit druhy a m\u00edsta, kter\u00e1 jsou zasa\u017eena obzvl\u00e1\u0161t\u011b tvrd\u011b.<\/p>\n\n
Ti, kte\u0159\u00ed se setkaj\u00ed s mrtv\u00fdmi nebo nemocn\u00fdmi pt\u00e1ky, by m\u011bli b\u00fdt opatrn\u00ed a nosit rukavice, pokud maj\u00ed v \u00famyslu sb\u00edrat vzorky. Pt\u00e1ci budou posl\u00e1ni do N\u00e1rodn\u00edho centra pro zdrav\u00ed voln\u011b \u017eij\u00edc\u00edch \u017eivo\u010dich\u016f ve Wisconsinu a do forenzn\u00ed laborato\u0159e Fish and Wildlife Service USA v Oregonu pro dal\u0161\u00ed anal\u00fdzu. Odborn\u00edci v\u0161ak varuj\u00ed, \u017ee m\u016f\u017ee trvat t\u00fddny nebo dokonce m\u011bs\u00edce, ne\u017e se ur\u010d\u00ed p\u0159esn\u00e1 p\u0159\u00ed\u010dina \u00fahynu.<\/p>","protected":false},"excerpt":{"rendered":"
Hromadn\u00fd \u00fahyn pt\u00e1k\u016f t\u00e1hnouc\u00edch na jih zasko\u010dil v\u011bdce na jihoz\u00e1pad\u011b USA Bezprecedentn\u00ed ud\u00e1lost zanech\u00e1v\u00e1 v\u011bdce v rozpac\u00edch Tis\u00edce ta\u017en\u00fdch pt\u00e1k\u016f bylo nalezeno mrtv\u00fdch na jihoz\u00e1pad\u011b Spojen\u00fdch st\u00e1t\u016f, co\u017e zanechalo v\u011bdce…<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[280],"tags":[21472,1896,24242,24241,24243],"class_list":["post-18558","post","type-post","status-publish","format-standard","hentry","category-zoology","tag-mass-die-off","tag-bird-conservation","tag-southwestern-u-s","tag-migratory-birds","tag-wildlife-crisis"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/18558","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/comments?post=18558"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/18558\/revisions"}],"predecessor-version":[{"id":18559,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/18558\/revisions\/18559"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/media?parent=18558"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/categories?post=18558"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/tags?post=18558"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}