{"id":673,"date":"2012-03-11T19:36:54","date_gmt":"2012-03-11T17:36:54","guid":{"rendered":"http:\/\/wildtravel.ro\/bird\/combattant-varie-philomachus-pugnax\/"},"modified":"2023-02-11T16:03:35","modified_gmt":"2023-02-11T14:03:35","slug":"combattant-varie-philomachus-pugnax","status":"publish","type":"bird","link":"https:\/\/wildtravel.ro\/fr\/bird\/combattant-varie-philomachus-pugnax\/","title":{"rendered":"Combattant vari\u00e9 (Philomachus pugnax)"},"content":{"rendered":"<p>Le Combattant vari\u00e9 (Philomachus pugnax), souvent appel\u00e9 au XXe si\u00e8cle Chevalier combattant mais en fait plus proche des b\u00e9casseaux, est une esp\u00e8ce de limicole appartenant \u00e0 la famille des Scolopacidae et pr\u00e9sentant un net dimorphisme sexuel, surtout en p\u00e9riode de reproduction.<img fetchpriority=\"high\" decoding=\"async\" class=\"wp-image-669 alignleft\" src=\"http:\/\/wildtravel.ro\/wp-content\/uploads\/2012\/03\/sg_1.jpg\" alt=\"\" width=\"227\" height=\"424\"><\/p>\n<p>Les modalit\u00e9s de cette derni\u00e8re sont complexes puisque coexistent des couples temporaires, des m\u00e2les polygames et des femelles polygynes. Il niche en Eurasie et hiverne essentiellement en Afrique<img decoding=\"async\" class=\"alignright\" src=\"http:\/\/wildtravel.ro\/wp-content\/uploads\/2017\/12\/11_3.jpg\" width=\"215\" height=\"296\">. Dans la mythologie grecque, cet oiseau est li\u00e9 au mythe de Memnon. Le Combattant vari\u00e9 mesure 21 \u00e0 32 cm de long, pour une envergure allant de 28,5 \u00e0 31,5 cm et un poids compris entre 70 et 150 g pour la femelle, 130 \u00e0 230 g pour le m\u00e2le C&rsquo;est un oiseau migrateur dont le m\u00e2le arbore au printemps un plumage nuptial color\u00e9, diff\u00e9rent selon les individus. La femelle est plus terne. \u00c9cologie et comportement R\u00e9gime alimentaire .<\/p>\n<p>C&rsquo;est un limicole, se nourrissant principalement de petits invert\u00e9br\u00e9s. En p\u00e9riode de reproduction, il consomme des insectes (surtout des dipt\u00e8res, mais aussi des trichopt\u00e8res, des col\u00e9opt\u00e8res, des orthopt\u00e8res, etc.), des ann\u00e9lides, des crustac\u00e9s de petite taille et des mollusques. Les \u00e9l\u00e9ments v\u00e9g\u00e9taux (graines, fleurs et algues) entrent \u00e9galement dans son r\u00e9gime de mani\u00e8re bien plus importante que dans ceux de la plupart des limicoles. Au S\u00e9n\u00e9gal, le Combattant vari\u00e9 ne consomme pratiquement que du riz de d\u00e9cembre \u00e0 avril.<\/p>\n<p>Comportement La femelle est appel\u00e9e \u00ab sotte \u00bb en Picardie, car elle est peu farouche. En avril et mai, le Combattant vari\u00e9 revient \u00e0 ses aires de nidification. D\u00e8s le milieu du trajet du retour, la parade nuptiale commence, les m\u00e2les menant entre eux un \u00ab combat \u00bb symbolique, qui a donn\u00e9 son nom vernaculaire \u00e0 l&rsquo;esp\u00e8ce. Ils <img decoding=\"async\" class=\"wp-image-665 alignright\" src=\"http:\/\/wildtravel.ro\/wp-content\/uploads\/2012\/03\/dd_0.jpg\" alt=\"\" width=\"507\" height=\"292\">d\u00e9ploient les plumes \u00e9rectiles de leur collerette, et s&rsquo;affrontent par coups de bec, en sautillant, ou en se toisant. Polygame, pour s\u00e9duire les femelles il gonfle sa collerette et h\u00e9risse ses oreillettes de plumes en effectuant au sol diverses mimiques, ailes d\u00e9ploy\u00e9es. Sur les sites de reproduction, les m\u00e2les effectuent ces parades sur des ar\u00e8nes traditionnelles appel\u00e9es leks. Les femelles vagabondent, choisissent leurs f\u00e9condateurs puis se retirent pour nicher. Ce syst\u00e8me reproductif complexe, dans lequel polygamie et polygynie coexistent, sans exclure le couple r\u00e9gulier, quoique temporaire, est analogue \u00e0 celui du T\u00e9tras lyre et de quelques autres oiseaux. En mai ou en juin, la femelle pond ses \u0153ufs, g\u00e9n\u00e9ralement 4, dont la taille a pour valeurs extr\u00eames : 38,9-48,6 mm \u00d7 28,0-32,8 mm. Elle les couve seule durant 20 \u00e0 23 jours, puis s&rsquo;occupera des oisillons.<\/p>\n<p>Ceux-ci prendront leur envol entre 25 et 28 jours. Distribution g\u00e9ographique Il niche pr\u00e8s de la mer, dans les toundras d&rsquo;Asie et d&rsquo;Europe. L&rsquo;hiver, il peut migrer jusqu&rsquo;en Afrique australe, mais certains individus restent sur quelques c\u00f4tes occidentales et m\u00e9ridionales de l&rsquo;Europe. Cet oiseau hiverne \u00e9galement dans certaines r\u00e9gions du Proche-Orient, sur certaines c\u00f4tes asiatiques et dans le sud de l&rsquo;Australie. Lors de cette saison, des effectifs importants stationnent au S\u00e9n\u00e9gal. Migrations Entre mi-juin et d\u00e9but juillet, les m\u00e2les adultes ainsi que les femelles sans prog\u00e9niture partent en migration postnuptiale. Les jeunes commencent \u00e0 partir fin juillet. Cette migration atteint son apog\u00e9e entre fin ao\u00fbt et d\u00e9but septembre. Elle d\u00e9cline ensuite jusque fin octobre mais des oiseaux peuvent s&rsquo;attarder jusqu&rsquo;en novembre. La migration pr\u00e9nuptiale est constat\u00e9e en Afrique de mi-f\u00e9vrier \u00e0 fin mai. Habitat Il vit toujours dans les zones humides, que ce soit dans les endroits mar\u00e9cageux, pr\u00e8s de plans d&rsquo;eau douce, dans les tourbi\u00e8res ou les prairies humides. Il appr\u00e9cie \u00e9galement le bord de mer, fouillant les vasi\u00e8res intertidales (se d\u00e9couvrant \u00e0 mar\u00e9e basse).<\/p>\n<p>foto: Mihai Baciu<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Le Combattant vari\u00e9 (Philomachus pugnax), souvent appel\u00e9 au XXe si\u00e8cle Chevalier combattant mais en fait plus proche des b\u00e9casseaux, est une esp\u00e8ce de limicole appartenant \u00e0 la famille des Scolopacidae et pr\u00e9sentant un net dimorphisme sexuel, surtout en p\u00e9riode de reproduction. Les modalit\u00e9s de cette derni\u00e8re sont complexes puisque coexistent des couples temporaires, des m\u00e2les [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":24949,"template":"","meta":{"_acf_changed":false},"categories":[],"tags":[],"birdwatching":[],"class_list":["post-673","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>Combattant vari\u00e9 (Philomachus pugnax) - Voyage sauvage dans le delta du Danube<\/title>\n<meta name=\"description\" content=\"Le Combattant vari\u00e9 (Philomachus pugnax), souvent appel\u00e9 au XXe si\u00e8cle Chevalier combattant mais en fait plus\" \/>\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\/ruff-philomachus-pugnax\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Combattant vari\u00e9 (Philomachus pugnax) - 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