{"id":3439,"date":"2013-12-18T20:45:47","date_gmt":"2013-12-18T18:45:47","guid":{"rendered":"http:\/\/wildtravel.ro\/bird\/ferestras-mare-mergus-merganser\/"},"modified":"2023-02-03T16:38:56","modified_gmt":"2023-02-03T14:38:56","slug":"ferestras-mare-mergus-merganser","status":"publish","type":"bird","link":"https:\/\/wildtravel.ro\/ro\/bird\/ferestras-mare-mergus-merganser\/","title":{"rendered":"Ferestras mare (Mergus merganser)"},"content":{"rendered":"<div class=\"content_rasa_content\">\n<p><strong>Ferestrasul mare<\/strong> este o rat\u0103 ce nu se afl\u0103 \u00een pericol de dispari\u021bie, \u00eens\u0103 este nevoit s\u0103 \u00eenfrunte multe pericole&nbsp; c\u0103: poluarea apelor, defri\u0219area p\u0103durilor \u0219i dezvoltarea agriculturii \u0219i industriei. <strong>Ferestrasul mare<\/strong> este un puternic indicator al s\u0103n\u0103t\u0103\u021bii ecosistemului \u0219i apelor.<\/p>\n<p>Un lucru interesant la specia Mergus merganser este c\u0103 femela \u00ee\u0219i abandoneaz\u0103 puii \u00eenainte c\u0103 ace\u0219tia s\u0103 poat\u0103 zbura singuri, la v\u00e2rst\u0103 de&nbsp; 60-75 de zile.<strong> Media de via\u021b\u0103 a ferestrasului mare<\/strong> este de 13 ani.<\/p>\n<p><strong>Cuibul ferestrasului mare<\/strong> con\u021bine 6-17 ou\u0103 de culoare crem ce sunt clocite de c\u0103tre femela timp de 28-35 de zile. Femelele, c\u00e2teodat\u0103, depun ou\u0103le \u00een cuibul altor femele. Dup\u0103 ie\u0219ire din ou, puii sunt complet dezvolt\u0103\u021bi \u0219i p\u0103r\u0103sesc cuibul \u00eentr-o zi sau dou\u0103. <strong>Puii de ferestras mare<\/strong> sar din cuib \u0219i sunt condu\u0219i la ap\u0103 de c\u0103tre mama. Aceast\u0103 specie r\u0103m\u00e2ne frecvent la locul natal, \u00een cazul \u00een care ap\u0103 nu \u00eenghea\u021b\u0103.<\/p>\n<p>\u00cen unele zone, <strong>perioada de reproducere la ferestrasul mare (Mergus merganser)<\/strong>&nbsp;\u00eencepe la finalul lui martie, fiind o pas\u0103re monogama. \u00cen mod neobi\u0219nuit pentru o rat\u0103, femela \u00ee\u0219i construie\u0219te cuibul \u00een copaci. Dac\u0103 nu exist\u0103 copaci disponibili, atunci \u00ee\u0219i va construi cuibul pe st\u00e2nci, g\u0103uri \u00een copaci \u0219i chiar cl\u0103diri mai vechi.<\/p>\n<div class=\"content_rasa_content\">\n<p><strong>Ferestrasul mare (Mergus merganser)<\/strong> este larg r\u0103sp\u00e2ndit \u00een emisfera nordic\u0103 (Europa, Asia \u0219i America de Nord). Zona \u00een care se \u00eemperecheaz\u0103 cuprinde nordul Europei, Scandinavia, Asia central\u0103, Rusia, vestul Chinei, Japonia \u0219i nordul Statelor Unite.<\/p>\n<\/div>\n<div class=\"content_rasa_content\">\n<p><strong>Hrana ferestrasului mare (Mergus merganser)<\/strong>&nbsp;const\u0103 pe\u0219ti mici, insecte, molu\u0219te, crustacee, viermi, amfibieni \u0219i chiar mamifere mici \u0219i p\u0103s\u0103ri. S-au raportat cazuri \u00een care au fost ingerati pe\u0219ti de 30 de centimetri lungime. Hr\u0103nirea se face \u00een cea mai mare parte pe timpul zilei. Fiind o pas\u0103re sociabil\u0103, <strong>ferestrasul mare<\/strong> se hr\u0103ne\u0219te \u00een grupuri de p\u00e2n\u0103 la 75 de indivizi. Acesta se odihne\u0219te \u00een grupuri de p\u00e2n\u0103 la c\u00e2teva sute de p\u0103s\u0103ri.<img fetchpriority=\"high\" decoding=\"async\" class=\"alignleft\" src=\"http:\/\/wildtravel.ro\/wp-content\/uploads\/2017\/01\/aa_12.jpg\" width=\"437\" height=\"177\"><\/p>\n<\/div>\n<div class=\"content_rasa_content\">\n<p><strong>Ferestrasul mare (Mergus merganser)<\/strong>&nbsp;este o rat\u0103 sub\u021bire cu un corp drept. Este cea mai mare din genul mergus. Ciocul <strong>ferestrasului mare<\/strong> este portocaliu-ro\u0219iatic, cu un v\u00e2rf negru, sub&nbsp; form\u0103 de c\u00e2rlig.<\/p>\n<p>Masculul \u0219i femela <strong>ferestras mare (Mergus merganser)<\/strong>&nbsp;sunt destul de diferi\u021bi \u00een aparen\u021b\u0103. Masculul aflat \u00een perioada de \u00eemperechere are un cap negru-verzui str\u0103lucitor ce contrasteaz\u0103 cu partea inferioar\u0103 a g\u00e2tului, pieptul, abdomenul \u0219i p\u0103r\u021bile laterale ce sunt de culoare alb\u0103. P\u0103r\u021bile inferioare pot avea o tent\u0103 de roz-somon. <strong>Ferestrasul mare<\/strong> mascul are picioarele de culoare ro\u0219u intens. Aripile \u0219i coad\u0103 sunt de culoare gri.<img decoding=\"async\" class=\"wp-image-3435 alignright\" src=\"http:\/\/wildtravel.ro\/wp-content\/uploads\/2013\/12\/aw_0.jpg\" alt=\"\" width=\"378\" height=\"176\"><\/p>\n<p><strong>Ferestrasul mare<\/strong> femela are un corp mai mic dec\u00e2t al masculului \u0219i difer\u0103 prin culoarea penajului, av\u00e2nd capul maro-ro\u0219iatic, iar restul fiind de culoare maronie \u0219i gri. P\u0103r\u021bile albe ale penajului sunt vizibile doar \u00een timpul zborului. <strong>Ferestrasul mare<\/strong> \u00ee\u0219i dezvolt\u0103 complet penajul abia \u00een al doilea an de via\u021b\u0103. Acesta ajunge la o lungime cuprins\u0103 \u00eentre 58 \u0219i 72 centimetri , lungime aripilor \u00eentinse fiind de 82-100 centimetri. <strong>Ferestrasul mare<\/strong> c\u00e2nt\u0103re\u0219te 900-2160 grame.<\/p>\n<\/div>\n<p>foto: Mihai Baciu<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Ferestrasul mare este o rat\u0103 ce nu se afl\u0103 \u00een pericol de dispari\u021bie, \u00eens\u0103 este nevoit s\u0103 \u00eenfrunte multe pericole&nbsp; c\u0103: poluarea apelor, defri\u0219area p\u0103durilor \u0219i dezvoltarea agriculturii \u0219i industriei. Ferestrasul mare este un puternic indicator al s\u0103n\u0103t\u0103\u021bii ecosistemului \u0219i apelor. Un lucru interesant la specia Mergus merganser este c\u0103 femela \u00ee\u0219i abandoneaz\u0103 puii \u00eenainte [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":21000,"template":"","meta":{"_acf_changed":false},"categories":[],"tags":[],"birdwatching":[],"class_list":["post-3439","bird","type-bird","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Ferestras mare (Mergus merganser) - wild travel in Delta Dunarii<\/title>\n<meta name=\"description\" content=\"Ferestrasul mare (Mergus merganser)\u00a0este o rata subtire cu un corp drept. 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