{"id":1117,"date":"2013-05-22T19:41:43","date_gmt":"2013-05-22T23:41:43","guid":{"rendered":"http:\/\/lacdeschenes.ca\/?p=1117"},"modified":"2014-08-18T15:05:34","modified_gmt":"2014-08-18T15:05:34","slug":"apercu-espece-grebe-esclavon","status":"publish","type":"post","link":"https:\/\/naturecanada.ca\/fr\/news\/blog\/apercu-espece-grebe-esclavon\/","title":{"rendered":"Aper\u00e7u esp\u00e8ce : Gr\u00e8be esclavon"},"content":{"rendered":"

Sarah Kirkpatrick-Wahl est stagiaire chez Nature Canada o\u00f9 elle s\u2019occupe des esp\u00e8ces en p\u00e9ril. Sarah a cr\u00e9\u00e9 le nouveau blogue \u00ab Pleins feux sur les esp\u00e8ces \u00bb dans lequel elle pr\u00e9sente chaque semaine le profil d\u2019une plante, d\u2019un oiseau ou d\u2019un animal prot\u00e9g\u00e9 en vertu de la Loi sur les esp\u00e8ces en p\u00e9ril (LEP) qui a \u00e9t\u00e9 observ\u00e9 dans la zone importante pour la conservation des oiseaux Lac Desch\u00eanes. D\u00e9couvrez ces esp\u00e8ces gr\u00e2ce \u00e0 ce blogue et rendez vous au Lac Desch\u00eanes pour voir combien vous pourrez en rep\u00e9rer parmi d\u2019autres.<\/em><\/p>\n

D\u00e9couvrez quelques esp\u00e8ces en p\u00e9ril de la ZICO Lac Desch\u00eanes. Cette semaine, nous vous pr\u00e9sentons le :<\/p>\n

Gr\u00e8be esclavon<\/strong><\/p>\n

\"Horned

Plumage de base
Image par Laura Gooch<\/p><\/div>\n

Nom scientifique : Podiceps auritus<\/strong>
\nStatut LEP : Pr\u00e9occupant; la population des \u00celes-de-la-Madeleine est r\u00e9pertori\u00e9e comme \u00e9tant en voie de disparition<\/strong>
\nClassification taxinomique : Oiseaux<\/strong>
\nTaille : Moyenne, 31-38 cm de long;<\/strong> poids : 300-570 g<\/strong>, envergure : 55-64 cm<\/strong><\/p>\n

Le Gr\u00e8be esclavon est aussi appel\u00e9 Gr\u00e8be cornu en raison de ses petites \u00ab cornes \u00bb jaunes qui sont en r\u00e9alit\u00e9 des touffes de plumes qui se trouvent juste derri\u00e8re les yeux de l\u2019oiseau. Les petites \u00ab cornes \u00bb jaunes ainsi que les plumes rouges \u00e0 la partie sup\u00e9rieure de la poitrine et noires aux joues constituent le plumage nuptial tr\u00e8s caract\u00e9ristique tant du m\u00e2le que de la femelle. Le plumage nuptial du Gr\u00e8be esclavon diff\u00e8re consid\u00e9rablement de son plumage de base gris noir et blanc au point o\u00f9 l\u2019on peut croire qu\u2019il s\u2019agit d\u2019un autre oiseau.
\nComme la plupart des canards plongeurs, le Gr\u00e8be esclavon est plut\u00f4t maladroit sur la terre ferme et il passe la majorit\u00e9 de son temps \u00e0 flotter sur l\u2019eau ou \u00e0 plonger \u00e0 la recherche de poissons, d\u2019insectes aquatiques et de crustac\u00e9s dont il se nourrit.<\/p>\n

\"Plumage

Plumage de base
Image par Laura Gooch<\/p><\/div>\n

O\u00f9 pouvez-vous aussi observer cette esp\u00e8ce?<\/strong>
\nPlus de 90 % de la population nord-am\u00e9ricaine de cette esp\u00e8ce en \u00e2ge de reproduction se trouve dans les zones humides partout au Canada o\u00f9 il na\u00eet et cro\u00eet. Il existe \u00e9galement une petite population isol\u00e9e en \u00e2ge de reproduction \u00e0 l\u2019est du Qu\u00e9bec o\u00f9 leur domaine vital se limite aux \u00celes-de-la-Madeleine.<\/p>\n

Le saviez-vous ?<\/strong>
\n\u2022 Les oisillons sont capables de nager et de plonger d\u00e8s qu\u2019ils sortent de leur coquille. Toutefois, ils pr\u00e9f\u00e8rent s\u2019installer sur le dos de leurs parents et y rester accroch\u00e9s m\u00eame lorsque ces derniers plongent \u00e0 la recherche de nourriture.
\n\u2022 Le Gr\u00e8be esclavon mange ses propres plumes afin de cr\u00e9er une sorte de \u00ab bouchon compact \u00bb qui aide \u00e0 conserver la nourriture, comme les os de poisson, jusqu\u2019\u00e0 qu\u2019elle puisse \u00eatre dig\u00e9r\u00e9e. Les parents alimentent m\u00eame leurs oisillons avec des plumes pour les aider \u00e0 d\u00e9velopper leur propre \u00ab bouchon \u00bb. Ce comportement est unique \u00e0 cette esp\u00e8ce.
\n\u2022\u00a0 Plus de 90 % des aires de reproduction de cet oiseau se trouvent dans les zones humides du Canada et la destruction progressive des marais et des voies navigables constitue une grave menace \u00e0 la survie de cette esp\u00e8ce.<\/p>\n

Consultez ce blogue chaque semaine pour conna\u00eetre l\u2019une des esp\u00e8ces \u00e0 risque que vous pouvez observer au Lac Desch\u00eanes.<\/em><\/p>\n

Vous pouvez signaler des observations de cette esp\u00e8ce, ou d\u2019autres esp\u00e8ces rares, au Service canadien de la faune au 819.997.2800 ou sur le site Web du Centre d\u2019information du Minist\u00e8re des Richesses naturelle<\/a>. Une photo et le lieu de l\u2019observation seraient fort utiles!<\/em><\/p>\n

\"cette<\/p>\n","protected":false},"excerpt":{"rendered":"

Sarah Kirkpatrick-Wahl est stagiaire chez Nature Canada o\u00f9 elle s\u2019occupe des esp\u00e8ces en p\u00e9ril. Sarah a cr\u00e9\u00e9 le nouveau blogue \u00ab Pleins feux sur les esp\u00e8ces \u00bb dans lequel elle pr\u00e9sente chaque semaine le profil d\u2019une plante, d\u2019un oiseau ou d\u2019un animal prot\u00e9g\u00e9 en vertu de la Loi sur les esp\u00e8ces en p\u00e9ril (LEP) qui […]<\/p>\n","protected":false},"author":99,"featured_media":12321,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[30],"tags":[],"class_list":["post-1117","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"acf":[],"yoast_head":"\nAper\u00e7u esp\u00e8ce : Gr\u00e8be esclavon - Nature Canada<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/naturecanada.ca\/fr\/nouvelles\/blog-fr\/apercu-espece-grebe-esclavon\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Aper\u00e7u esp\u00e8ce : Gr\u00e8be esclavon - Nature Canada\" \/>\n<meta property=\"og:description\" content=\"Sarah Kirkpatrick-Wahl est stagiaire chez Nature Canada o\u00f9 elle s\u2019occupe des esp\u00e8ces en p\u00e9ril. 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