{"id":255,"date":"2017-05-16T15:45:21","date_gmt":"2017-05-16T13:45:21","guid":{"rendered":"http:\/\/cke.cz\/?page_id=255"},"modified":"2020-02-27T10:31:42","modified_gmt":"2020-02-27T09:31:42","slug":"nest-defence","status":"publish","type":"page","link":"http:\/\/cke.cz\/cs_CZ\/research\/birds-as-prey\/nest-defence\/","title":{"rendered":"Obrana hn\u00edzda"},"content":{"rendered":"<div>Zat\u00edmco dosp\u011bl\u00ed jedinci se mohou predaci br\u00e1nit r\u016fzn\u00fdmi zp\u016fsoby, ml\u00e1\u010fata na hn\u00edzd\u011b tuto mo\u017enost nemaj\u00ed a mus\u00ed spol\u00e9hat bu\u010f na krypsi nebo na obranu rodi\u010di. \u0164uh\u00fdk obecn\u00fd (<i>Lanius collurio<\/i>) pat\u0159\u00ed mezi druhy, kter\u00e9 k\u00a0obran\u011b sv\u00fdch hn\u00edzd vyu\u017e\u00edvaj\u00ed jednu z\u00a0nejn\u00e1ro\u010dn\u011bj\u0161\u00edch strategi\u00ed, tzv. mobbing. Tato aktivn\u00ed obrana zahrnuje nejen vyu\u017e\u00edv\u00e1n\u00ed alarm-calls (varovn\u00e9ho vol\u00e1n\u00ed), ale i p\u0159elety nad pred\u00e1torem \u010di p\u0159\u00edmo n\u00e1lety na n\u011bj. Tato forma obrany je pro br\u00e1n\u00edc\u00edho jedince velmi nebezpe\u010dn\u00e1 a klade vysok\u00e9 n\u00e1roky na jeho kognitivn\u00ed schopnosti, proto\u017ee ka\u017ed\u00e1 chyba m\u016f\u017ee kon\u010dit smrt\u00ed. N\u00e1\u0161 v\u00fdzkum je zam\u011b\u0159en na intenzitu obrany hn\u00edzd. Zab\u00fdv\u00e1me se schopnost\u00ed \u0165uh\u00fdk\u016f rozpozn\u00e1vat pred\u00e1tory a zkoum\u00e1me, podle jak\u00fdch kl\u00ed\u010dov\u00fdch znak\u016f se \u0165uh\u00fdci rozhoduj\u00ed. Z\u00e1rove\u0148 zkoum\u00e1me jejich schopnost vyhodnotit m\u00edru nebezpe\u010d\u00ed a adekv\u00e1tn\u011b zareagovat. Na\u0161e dosavadn\u00ed v\u00fdsledky napov\u00eddaj\u00ed, \u017ee \u0165uh\u00fdci jsou schopni nejen rozpoznat pred\u00e1tory r\u016fzn\u011b nebezpe\u010dn\u00e9 pro dosp\u011blce a sn\u016f\u0161ky, ale vn\u00edmaj\u00ed i \u0161ir\u0161\u00ed okol\u00ed hn\u00edzd a reaguj\u00ed i s\u00a0ohledem nap\u0159. na st\u00e1\u0159\u00ed ml\u00e1\u010fat. Tento v\u00fdzkum prob\u00edh\u00e1 dlouhodob\u011b p\u0159edev\u0161\u00edm ve vojensk\u00e9m \u00fajezdu Hradi\u0161t\u011b v\u00a0Doupovsk\u00fdch hor\u00e1ch.<\/div>\n<p><strong>Na v\u00fdzkumu tohoto t\u00e9matu se pod\u00edlej\u00ed:<\/strong><\/p>\n<ul>\n<li><a href=\"http:\/\/cke.cz\/2017\/05\/30\/michaela-syrova\/\">Michaela Syrov\u00e1<\/a><\/li>\n<li><a href=\"http:\/\/cke.cz\/2017\/05\/31\/michal-majkl-nemec\/\">Michal Majkl N\u011bmec<\/a><\/li>\n<li><a href=\"http:\/\/cke.cz\/2017\/05\/30\/petr-vesely\/\">Petr Vesel\u00fd<\/a><\/li>\n<li><a href=\"http:\/\/cke.cz\/2017\/05\/30\/roman-fuchs\/\">Roman Fuchs<\/a><\/li>\n<li><a href=\"http:\/\/cke.cz\/en_GB\/2020\/01\/08\/ondrej-fiser\/\">Ond\u0159ej Fi\u0161er<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<div>Zat\u00edmco dosp\u011bl\u00ed jedinci se mohou predaci br\u00e1nit r\u016fzn\u00fdmi zp\u016fsoby, ml\u00e1\u010fata na hn\u00edzd\u011b tuto mo\u017enost nemaj\u00ed a mus\u00ed spol\u00e9hat bu\u010f na krypsi nebo na obranu rodi\u010di. \u0164uh\u00fdk obecn\u00fd (<i>Lanius collurio<\/i>) pat\u0159\u00ed mezi druhy, kter\u00e9 k\u00a0obran\u011b sv\u00fdch hn\u00edzd vyu\u017e\u00edv&#8230;<\/p>\n","protected":false},"author":1,"featured_media":1260,"parent":211,"menu_order":1,"comment_status":"closed","ping_status":"closed","template":"sidebar-page.php","meta":{"footnotes":""},"_links":{"self":[{"href":"http:\/\/cke.cz\/cs_CZ\/wp-json\/wp\/v2\/pages\/255"}],"collection":[{"href":"http:\/\/cke.cz\/cs_CZ\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"http:\/\/cke.cz\/cs_CZ\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"http:\/\/cke.cz\/cs_CZ\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/cke.cz\/cs_CZ\/wp-json\/wp\/v2\/comments?post=255"}],"version-history":[{"count":15,"href":"http:\/\/cke.cz\/cs_CZ\/wp-json\/wp\/v2\/pages\/255\/revisions"}],"predecessor-version":[{"id":2264,"href":"http:\/\/cke.cz\/cs_CZ\/wp-json\/wp\/v2\/pages\/255\/revisions\/2264"}],"up":[{"embeddable":true,"href":"http:\/\/cke.cz\/cs_CZ\/wp-json\/wp\/v2\/pages\/211"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/cke.cz\/cs_CZ\/wp-json\/wp\/v2\/media\/1260"}],"wp:attachment":[{"href":"http:\/\/cke.cz\/cs_CZ\/wp-json\/wp\/v2\/media?parent=255"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}