{"id":4794,"date":"2016-08-03T17:59:41","date_gmt":"2016-08-03T15:59:41","guid":{"rendered":"http:\/\/wildtravel.ro\/bird\/erete-sur-circus-pygargus\/"},"modified":"2023-02-03T10:18:11","modified_gmt":"2023-02-03T08:18:11","slug":"erete-sur-circus-pygargus","status":"publish","type":"bird","link":"https:\/\/wildtravel.ro\/ro\/bird\/erete-sur-circus-pygargus\/","title":{"rendered":"Erete sur (Circus pygargus)"},"content":{"rendered":"<div id=\"specie-descriere\">Eretele sur este o specie caracteristic\u0103 zonelor deschise, stepelor uscate, terenurilor agricole din preajma r\u00e2urilor, lacurilor sau m\u0103rilor. Lungimea corpului este de 39-50 cm (coada 16-18 cm) \u015fi are o greutate medie de 265 g pentru mascul \u015fi 345 g pentru femel\u0103. Anvergura aripilor este cuprins\u0103 \u00eentre 96-116 cm. Este cel mai mic dintre ere\u0163i. Spre deosebire de celelalte specii de erete, la aceasta apare at\u00e2t la mascul c\u00e2t \u015fi la femel\u0103 c\u00e2te o dung\u0103 neagr\u0103 pe ambele p\u0103r\u0163i ale aripii. Masculul, spre deosebire de celelalte specii de erete, are un penaj gri mai \u00eenchis. Femela este maro. Se hr\u0103ne\u015fte cu mamifere, p\u0103s\u0103ri, broa\u015fte, \u015fop\u00e2rle \u015fi insecte.<\/div>\n<div id=\"specie-etimologie\">Numele de gen este forma latinizat\u0103 a cuv\u00e2ntului grecesc <em>kirkos<\/em> \u2013 r\u0103pitoare ce descrie cercuri. Numele de specie este compus din cuvintele grece\u015fti <em>pyge<\/em> \u2013 t\u00e2rti\u0163\u0103 \u015fi <em>argos<\/em> \u2013 alb lucios, cu referire la pata alb\u0103 de la baza cozii.<img fetchpriority=\"high\" decoding=\"async\" class=\"wp-image-12329 alignright\" src=\"http:\/\/wildtravel.ro\/wp-content\/uploads\/2016\/08\/bb-204x300.jpg\" alt=\"\" width=\"245\" height=\"360\" srcset=\"https:\/\/wildtravel.ro\/wp-content\/uploads\/2016\/08\/bb-204x300.jpg 204w, https:\/\/wildtravel.ro\/wp-content\/uploads\/2016\/08\/bb-697x1024.jpg 697w, https:\/\/wildtravel.ro\/wp-content\/uploads\/2016\/08\/bb-768x1129.jpg 768w, https:\/\/wildtravel.ro\/wp-content\/uploads\/2016\/08\/bb-1045x1536.jpg 1045w, https:\/\/wildtravel.ro\/wp-content\/uploads\/2016\/08\/bb.jpg 1204w\" sizes=\"(max-width: 245px) 100vw, 245px\" \/><\/div>\n<div id=\"specie-localizare\">Este o specie cu larg\u0103 r\u0103sp\u00e2ndire pe continentul european. Atinge maturitatea sexual\u0103 la 2-3 ani. Cuib\u0103re\u015fte solitar sau \u00een colonii mici, de p\u00e2n\u0103 la 30 de cuiburi, dispuse la distan\u0163e de cel pu\u0163in 10 m. Se asociaz\u0103 pentru cuib\u0103rit pentru a asigura o mai bun\u0103 ap\u0103rare contra pr\u0103d\u0103torilor (vulpi, ciori \u015fi alte r\u0103pitoare). Aria protejat\u0103 de parteneri este de 300-400 m \u00een jurul cuibului. Reproducerea \u00eencepe cu ritualul nup\u0163ial, sub forma unui dans aerian spectaculos. Perechile se p\u0103streaz\u0103 pe o perioad\u0103 de mai mul\u0163i ani. Masculul se poate \u00eemperechea cu 2-3 femele. Pentru hr\u0103nire zboar\u0103 la \u00een\u0103l\u0163ime mic\u0103 cu vitez\u0103 redus\u0103 (circa 30 km\/h), folosind trasee fixe. Masculul v\u00e2neaz\u0103 pe o distan\u0163\u0103 de p\u00e2n\u0103 la 12 km de la cuib. Femela v\u00e2neaz\u0103 pe o distan\u0163\u0103 de circa 1 km de la cuib \u015fi numai dup\u0103 ce puii au eclozat. \u00centr-o manier\u0103 specific\u0103 ere\u0163ilor, masculul hr\u0103ne\u015fte femela \u00een zbor, las\u00e2nd s\u0103 cad\u0103 prada pe care femela o prinde \u00een aer. Ierneaz\u0103 \u00een Africa, iar tinerii \u00ee\u015fi petrec prima var\u0103 \u00een cartierele de iernare. Longevitatea maxim\u0103 cunoscut\u0103 este de 16 ani \u015fi o lun\u0103.<img decoding=\"async\" class=\"wp-image-4790 alignleft\" src=\"http:\/\/wildtravel.ro\/wp-content\/uploads\/2016\/08\/erete-sur.JPG\" alt=\"\" width=\"393\" height=\"260\"><\/div>\n<div id=\"specie-populatie\">Popula\u0163ia european\u0103 a speciei este relativ mic\u0103, cuprins\u0103 \u00eentre 35000-65000 de perechi. A crescut semnificativ \u00een perioada 1970-1990 dup\u0103 care, de\u015fi cre\u015fterea s-a estompat, a continuat s\u0103 se m\u0103reasc\u0103. \u00cen Rom\u00e2nia, popula\u0163ia estimat\u0103 este de 1-12 perechi. Cele mai mari efective se \u00eenregistreaz\u0103 \u00een Rusia, Fran\u0163a, Spania \u015fi Belarus.<\/div>\n<div id=\"specie-reproducere\">Cuibul folosit doar un sezon este construit de femel\u0103 \u00een vegeta\u0163ie \u00eenalt\u0103, din paie \u015fi iarb\u0103. Femela depune 3-5 ou\u0103 \u00een luna mai, cu o dimensiune medie de 40,5 x 31,6 mm. Incuba\u0163ia dureaz\u0103 27-40 de zile \u015fi este asigurat\u0103 de femel\u0103, care este hr\u0103nit\u0103 de mascul \u00een tot acest timp. Masculul hr\u0103ne\u015fte femela de 5-6 ori pe zi \u00een perioada incub\u0103rii \u015fi de 7-10 ori pe zi dup\u0103 eclozarea puilor. Puii devin zbur\u0103tori la 28-42 de zile, dar r\u0103m\u00e2n dependen\u0163i de p\u0103rin\u0163i pentru \u00eenc\u0103 14 zile.<\/div>\n<p>Degradarea habitatelor \u00een zonele de cuib\u0103rit, prin reducerea p\u0103\u015funilor \u015fi intensificarea agriculturii, sunt principalele pericole ce afecteaz\u0103 specia. \u00cen vestul Europei circa 70% din popula\u0163ie cuib\u0103re\u015fte \u00een culturile agricole, fiind vulnerabil\u0103 ca urmare a riscului ridicat de distrugere a cuiburilor. \u00cen aceste condi\u0163ii, dup\u0103 identificarea cuiburilor, acestea sunt fie relocate, fie zona \u00een care este amplasat cuibul este l\u0103sat\u0103 nerecoltat\u0103. \u00cen Fran\u0163a peste 60% dintre pui sunt salva\u0163i prin aceste m\u0103suri.<\/p>\n<p>foto: Mihai Baciu<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Eretele sur este o specie caracteristic\u0103 zonelor deschise, stepelor uscate, terenurilor agricole din preajma r\u00e2urilor, lacurilor sau m\u0103rilor. Lungimea corpului este de 39-50 cm (coada 16-18 cm) \u015fi are o greutate medie de 265 g pentru mascul \u015fi 345 g pentru femel\u0103. Anvergura aripilor este cuprins\u0103 \u00eentre 96-116 cm. Este cel mai mic dintre ere\u0163i. [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":20880,"template":"","meta":{"_acf_changed":false},"categories":[],"tags":[],"birdwatching":[],"class_list":["post-4794","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>Erete sur (Circus pygargus) - wild travel in Delta Dunarii<\/title>\n<meta name=\"description\" content=\"Eretele sur este o specie caracteristic\u0103 zonelor deschise, stepelor uscate, terenurilor agricole din preajma r\u00e2urilor,\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/wildtravel.ro\/bird\/montagu-s-harrier-circus-pygargus\/\" \/>\n<meta property=\"og:locale\" content=\"ro_RO\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Erete sur (Circus pygargus) - 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