{"id":3657,"date":"2014-02-09T18:52:35","date_gmt":"2014-02-09T16:52:35","guid":{"rendered":"http:\/\/wildtravel.ro\/bird\/heron-garde-boeufs-bubulcus-ibis\/"},"modified":"2023-02-06T12:30:26","modified_gmt":"2023-02-06T10:30:26","slug":"heron-garde-boeufs-bubulcus-ibis","status":"publish","type":"bird","link":"https:\/\/wildtravel.ro\/fr\/bird\/heron-garde-boeufs-bubulcus-ibis\/","title":{"rendered":"H\u00e9ron garde-b\u0153ufs (Bubulcus ibis)"},"content":{"rendered":"<div class=\"article_desc\" title=\"Infectious bursal disease\">\n<p>Le <strong>H\u00e9ron garde-b\u0153ufs<\/strong> (<em><strong><span class=\"lang-la\" lang=\"la\">Bubulcus ibis<\/span><\/strong><\/em>) est une esp\u00e8ce d&rsquo;\u00e9chassier, de la famille des ard\u00e9id\u00e9s, qui compte les h\u00e9rons, les aigrettes, les butors et apparent\u00e9s. On le trouve dans les r\u00e9gions tropicales, subtropicales et temp\u00e9r\u00e9es chaudes. Il est monotypique du genre <em>Bubulcus<\/em> bien que certaines autorit\u00e9s consid\u00e8rent ses deux sous-esp\u00e8ces comme des esp\u00e8ces \u00e0 part enti\u00e8re, le H\u00e9ron garde-b\u0153ufs d&rsquo;Asie et le H\u00e9ron garde-b\u0153ufs d&rsquo;Afrique. Malgr\u00e9 des similitudes au niveau du plumage avec les aigrettes du genre <em>Egretta<\/em>, il est plus \u00e9troitement apparent\u00e9 aux h\u00e9rons du genre <em>Ardea<\/em>. Originaire d&rsquo;Asie, d&rsquo;Afrique et d&rsquo;Europe, il a connu une expansion rapide dans sa r\u00e9partition et a colonis\u00e9 avec succ\u00e8s une grande partie du reste du monde.<img fetchpriority=\"high\" decoding=\"async\" class=\"wp-image-10701 alignleft\" src=\"http:\/\/wildtravel.ro\/wp-content\/uploads\/2014\/02\/32-300x178.jpg\" alt=\"\" width=\"411\" height=\"244\" srcset=\"https:\/\/wildtravel.ro\/wp-content\/uploads\/2014\/02\/32-300x178.jpg 300w, https:\/\/wildtravel.ro\/wp-content\/uploads\/2014\/02\/32-1024x609.jpg 1024w, https:\/\/wildtravel.ro\/wp-content\/uploads\/2014\/02\/32-768x457.jpg 768w, https:\/\/wildtravel.ro\/wp-content\/uploads\/2014\/02\/32.jpg 1265w\" sizes=\"(max-width: 411px) 100vw, 411px\" \/><\/p>\n<p>Un H\u00e9ron garde-b\u0153ufs va faiblement d\u00e9fendre son territoire autour d&rsquo;un grand mammif\u00e8re contre les autres individus de son esp\u00e8ce et si la zone abonde d&rsquo;oiseaux, il va abandonner les lieux et continuer sa recherche de nourriture ailleurs. Lorsque de nombreux grands animaux sont pr\u00e9sents, le H\u00e9ron garde-b\u0153ufs va chercher s\u00e9lectivement sa nourriture autour des esp\u00e8ces qui se d\u00e9placent \u00e0 environ 5 \u00e0 15 pas par minute, en \u00e9vitant les troupeaux plus rapides ou plus lents; en Afrique, le H\u00e9ron garde-b\u0153ufs va ainsi pr\u00e9f\u00e9rer chercher s\u00e9lectivement sa nourriture derri\u00e8re le Z\u00e8bre de Plaine, le Cobe \u00e0 croissant, le Gnou bleu et le Buffle d&rsquo;Afrique. Les oiseaux dominants se nourrissent \u00e0 proximit\u00e9 de l&rsquo;h\u00f4te et obtiennent ainsi plus de nourriture.<\/p>\n<p>Le H\u00e9ron garde-b\u0153ufs peut \u00e9galement preuve de polyvalence dans son r\u00e9gime alimentaire. Sur les \u00eeles avec des colonies d&rsquo;oiseaux marins, il se nourrira d&rsquo;\u0153ufs et de poussins de sternes et autres oiseaux marins. En cours de migration, il a \u00e9galement \u00e9t\u00e9 signal\u00e9 mangeant des oiseaux terrestres migrateurs \u00e9puis\u00e9s. Ceux vivant aux Seychelles ont tendance \u00e9galement \u00e0 s&rsquo;adonner \u00e0 un certain cleptoparasitisme, chassant les poussins des sternes fuligineuses et les for\u00e7ant \u00e0 restituer leur nourriture.<\/p>\n<p>Le H\u00e9ron garde-b\u0153ufs a deux races g\u00e9ographiques qui sont parfois class\u00e9es comme esp\u00e8ces \u00e0 part enti\u00e8re&nbsp;: le H\u00e9ron garde-b\u0153ufs d&rsquo;Afrique (<em>B. ibis<\/em>) et le H\u00e9ron garde-b\u0153ufs d&rsquo;Asie (<em>B. coromandus<\/em>). Les deux races ont \u00e9t\u00e9 s\u00e9par\u00e9es par McAllan et Bruce mais ont \u00e9t\u00e9 consid\u00e9r\u00e9es comme consp\u00e9cifiques par presque tous les autres auteurs r\u00e9cents, jusqu&rsquo;\u00e0 la publication de <em><span class=\"lang-en\" lang=\"en\">Birds of South Asia. The Ripley Guide<\/span><\/em>. La sous-esp\u00e8ce orientale, <em>B. (i.) coromandus<\/em>, d\u00e9crite par Pieter Boddaert en 1783, vit en Asie et en Australasie, et l&rsquo;occidentale occupe le reste du territoire y compris l&rsquo;Am\u00e9rique. Certaines autorit\u00e9s reconnaissent une troisi\u00e8me sous-esp\u00e8ce, le H\u00e9ron garde-b\u0153ufs des Seychelles (<em>B. i. seychellarum<\/em>), qui a \u00e9t\u00e9 d\u00e9crit pour la premi\u00e8re fois par Finn Salomonsen en 1934.<\/p>\n<p>En d\u00e9pit de similitudes superficielles, le H\u00e9ron garde-b\u0153ufs est plus \u00e9troitement apparent\u00e9 au genre <em>Ardea<\/em>, qui comprend les grands h\u00e9rons typiques et la Grande Aigrette (<em>A. alba<\/em>), qu&rsquo;\u00e0 la majorit\u00e9 des esp\u00e8ces appel\u00e9es aigrettes du genre <em>Egretta<\/em>. De rares cas d&rsquo;hybridation avec <em>Egretta caerulea<\/em>, <em>Egretta garzetta<\/em> et <em>Egretta thula<\/em> ont \u00e9t\u00e9 enregistr\u00e9es. Ces deux conclusions contradictoires indiqueraient que cette esp\u00e8ce est en fait interm\u00e9diaire entre les h\u00e9rons et les aigrettes.<\/p>\n<h3><span id=\"Synonymes\" class=\"mw-headline\">Synonymes<\/span><\/h3>\n<ul>\n<li><em><span class=\"lang-la\" lang=\"la\">Ardea ibis<\/span><\/em> (Linnaeus, 1758)<\/li>\n<li><em><span class=\"lang-la\" lang=\"la\">Ardeola ibis<\/span><\/em> (Linnaeus, 1758)<\/li>\n<li><em><span class=\"lang-la\" lang=\"la\">Egretta ibis<\/span><\/em> (Linnaeus, 1758)<\/li>\n<li><em><span class=\"lang-la\" lang=\"la\">Lepterodatis ibis<\/span><\/em> (Linnaeus, 1758)<\/li>\n<li><em><span class=\"lang-la\" lang=\"la\">Bubulcus bubulcus<\/span><\/em><\/li>\n<\/ul>\n<p>foto: Mihai Baciu<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Le H\u00e9ron garde-b\u0153ufs (Bubulcus ibis) est une esp\u00e8ce d&rsquo;\u00e9chassier, de la famille des ard\u00e9id\u00e9s, qui compte les h\u00e9rons, les aigrettes, les butors et apparent\u00e9s. On le trouve dans les r\u00e9gions tropicales, subtropicales et temp\u00e9r\u00e9es chaudes. Il est monotypique du genre Bubulcus bien que certaines autorit\u00e9s consid\u00e8rent ses deux sous-esp\u00e8ces comme des esp\u00e8ces \u00e0 part enti\u00e8re, [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":36252,"template":"","meta":{"_acf_changed":false},"categories":[],"tags":[],"birdwatching":[],"class_list":["post-3657","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>H\u00e9ron garde-b\u0153ufs (Bubulcus ibis) - Voyage sauvage dans le delta du Danube<\/title>\n<meta name=\"description\" content=\"Le H\u00e9ron garde-b\u0153ufs (Bubulcus ibis) est une esp\u00e8ce d&#039;\u00e9chassier, de la famille des ard\u00e9id\u00e9s, qui compte les h\u00e9rons, l\" \/>\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\/cattle-egret-bubulcus-ibis\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"H\u00e9ron garde-b\u0153ufs (Bubulcus ibis) - 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