{"id":280,"date":"2016-01-23T09:30:45","date_gmt":"2016-01-23T08:30:45","guid":{"rendered":"http:\/\/tinnunculus.sy-sy.cz\/index.php\/2016\/01\/23\/o-postolkach-taznych-preletavych-a-stalych\/"},"modified":"2026-03-21T08:38:20","modified_gmt":"2026-03-21T07:38:20","slug":"o-postolkach-taznych-preletavych-a-stalych","status":"publish","type":"post","link":"https:\/\/tinnunculus.sy-sy.cz\/index.php\/2016\/01\/23\/o-postolkach-taznych-preletavych-a-stalych\/","title":{"rendered":"O po\u0161tolk\u00e1ch ta\u017en\u00fdch, p\u0159el\u00e9tav\u00fdch a st\u00e1l\u00fdch"},"content":{"rendered":"

Po\u0161tolky obecn\u00e9, kter\u00e9 \u017eij\u00ed u n\u00e1s v \u010cesk\u00e9 republice, jsou pt\u00e1ky ta\u017en\u00fdmi, p\u0159el\u00e9tav\u00fdmi i st\u00e1l\u00fdmi. Na zimu ty nejmlad\u0161\u00ed, pro kter\u00e9 je to jejich prvn\u00ed zima, podnikaj\u00ed obvykle del\u0161\u00ed pou\u0165 na jih, n\u011bkdy a\u017e do hloubi Afriky. Ty star\u0161\u00ed p\u0159el\u00e9taj\u00ed tam, kde jsou pro n\u011b nejbl\u00ed\u017ee lep\u0161\u00ed klimatick\u00e9 podm\u00ednky a dostatek potravy. Vyd\u00e1vaj\u00ed se v\u011bt\u0161inou na jih a jihoz\u00e1pad, v\u011bt\u0161inou ale ne d\u00e1le ne\u017e do Rakouska, N\u011bmecka \u010di \u0160v\u00fdcarska. Na na\u0161e \u00fazem\u00ed se obdobn\u011b stahuj\u00ed po\u0161tolky ze severn\u011bj\u0161\u00edch zem\u00ed (Saska, Polska, ale i \u0160v\u00e9dska \u010di Finska). \u010c\u00e1st na\u0161ich po\u0161tolek, p\u0159edev\u0161\u00edm t\u011bch star\u0161\u00edch, pak z\u016fst\u00e1v\u00e1 p\u0159es zimu v bl\u00edzk\u00e9m okol\u00ed hn\u00edzda. Samci se p\u0159itom dr\u017e\u00ed u hn\u00edzda, kter\u00e9 si u\u017e hl\u00eddaj\u00ed pro p\u0159\u00ed\u0161t\u00ed sez\u00f3nu, v\u00edce. Samice se sp\u00ed\u0161e toulaj\u00ed.<\/p>\n

Po\u0161tolky, kter\u00e9 u n\u00e1s v zim\u011b p\u0159eb\u00fdvaj\u00ed, jsou tedy jak ty dom\u00e1c\u00ed st\u00e1l\u00e9, tak ty ze severu, kter\u00e9 u n\u00e1s pouze p\u0159ezimuj\u00ed. O t\u011bch, co ka\u017ed\u00fd den p\u0159ed setm\u011bn\u00edm p\u0159il\u00e9taj\u00ed do na\u0161\u00ed lod\u017eie a odl\u00e9taj\u00ed r\u00e1no pot\u00e9, co se dostate\u010dn\u011b proh\u0159\u00e1ly na rann\u00edm slun\u00ed\u010dku, si mysl\u00edme, \u017ee je to stejn\u00fd p\u00e1r, kter\u00fd zde vloni vyvedl mlad\u00e9. Ale stoprocentn\u00ed jistotu v tom nem\u00e1me. Same\u010dek toti\u017e u\u017e v podstat\u011b p\u0159epe\u0159il (vloni m\u011bl je\u0161t\u011b mladistv\u011b hn\u011bdou hlavu i ocasn\u00ed pera), tak\u017ee ho od ostatn\u00edch u\u017e tak snadno nerozezn\u00e1me.<\/p>\n

A\u0165 je to tak\u00a0 tak \u010di onak, m\u016f\u017eete je vid\u011bt i vy d\u00edky tomu, \u017ee na\u0161e zimn\u00ed kamery jsou st\u00e1le v provozu. Po\u0161tolky takto online m\u016f\u017eete zastihnout i na jin\u00fdch m\u00edstech, kde na zimu neukon\u010duj\u00ed p\u0159enos. Na Aston University v Birminghamu, kde ji\u017e n\u011bkolik let sleduj\u00ed jejich hn\u00edzd\u011bn\u00ed, po\u0161tolky tak\u00e9 vyhled\u00e1vaj\u00ed sledovan\u00e9 hn\u00edzdo jako \u00fakryt na noc i v zim\u011b (info o p\u0159enosu<\/a>). Dnes r\u00e1no jsme sami\u010dku po\u0161tolky zastihli v holandsk\u00e9m Molenaarsgraaf, kde nocovala v budce um\u00edst\u011bn\u00e9 na d\u0159ev\u011bn\u00e9m sloupku na okraji pastviny. Online p\u0159enos najdete na str\u00e1nk\u00e1ch NestkastLive (info o p\u0159enosu<\/a>). P\u0159\u00edlet a odlet britsk\u00fdch i holandsk\u00fdch po\u0161tolek se p\u0159irozen\u011b tak\u00e9 \u0159\u00edd\u00ed z\u00e1padem a v\u00fdchodem slunce. Ta dne\u0161n\u00ed rann\u00ed holandsk\u00e1 odl\u00e9tla a\u017e ve \u010dtvrt na deset na\u0161eho \u010dasu (p\u0159esn\u011b v 9:14). „N\u00e1\u0161“ same\u010dek odl\u00e9tl o hodinu d\u0159\u00edve v 8:16.<\/p>\n

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Sami\u010dka po\u0161tolky nocuj\u00edc\u00ed v budce v Molenaarsgraaf (2016\/01\/23)<\/em><\/div>\n

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Pozn\u00e1mky:<\/p>\n