{"id":4352,"date":"2021-01-27T16:45:11","date_gmt":"2021-01-27T15:45:11","guid":{"rendered":"https:\/\/www.observatoiremigrateurs.com\/?page_id=4352"},"modified":"2022-04-08T16:29:20","modified_gmt":"2022-04-08T14:29:20","slug":"canard-siffleur","status":"publish","type":"page","link":"https:\/\/www.observatoiremigrateurs.com\/es\/canard-siffleur\/","title":{"rendered":"Canard Siffleur"},"content":{"rendered":"<div class=\"wpb-content-wrapper\">[vc_row full_width=\u00bbstretch_row\u00bb gap=\u00bb35&#8243; full_height=\u00bbyes\u00bb columns_placement=\u00bbtop\u00bb content_placement=\u00bbbottom\u00bb css=\u00bb.vc_custom_1614009284156{margin-top: 0px !important;margin-right: 0px !important;margin-bottom: 0px !important;margin-left: 0px !important;border-top-width: 0px !important;border-right-width: 0px !important;border-bottom-width: 0px !important;border-left-width: 0px !important;padding-top: 0px !important;padding-right: 0px !important;padding-bottom: 0px !important;padding-left: 0px !important;background-image: url(https:\/\/www.observatoiremigrateurs.com\/wp-content\/uploads\/2021\/02\/Canard-Siffleur_18-blackwhite.jpg?id=6309) !important;background-position: center !important;background-repeat: no-repeat !important;background-size: cover !important;}\u00bb][vc_column css=\u00bb.vc_custom_1611493862205{margin-top: -40px !important;}\u00bb][vc_widget_sidebar sidebar_id=\u00bbmega-menu\u00bb][vc_empty_space height=\u00bb200px\u00bb][vc_row_inner content_placement=\u00bbtop\u00bb gap=\u00bb30&#8243;][vc_column_inner width=\u00bb1\/3&#8243; css=\u00bb.vc_custom_1614009218147{border-top-width: 5px !important;border-right-width: 5px !important;border-bottom-width: 5px !important;border-left-width: 5px !important;padding-top: 300px !important;padding-right: 100px !important;padding-left: 100px !important;background-image: url(https:\/\/www.observatoiremigrateurs.com\/wp-content\/uploads\/2021\/02\/Canard-Siffleur_05.jpg?id=6295) !important;background-position: center !important;background-repeat: no-repeat !important;background-size: cover !important;border-left-color: #ffffff !important;border-left-style: solid !important;border-right-color: #ffffff !important;border-right-style: solid !important;border-top-color: #ffffff !important;border-top-style: solid !important;border-bottom-color: #ffffff !important;border-bottom-style: solid !important;}\u00bb][vc_custom_heading text=\u00bbCanard Siffleur\u00bb font_container=\u00bbtag:h3|font_size:20|text_align:center|color:%23ffffff\u00bb google_fonts=\u00bbfont_family:Raleway%3A100%2C200%2C300%2Cregular%2C500%2C600%2C700%2C800%2C900|font_style:500%20bold%20regular%3A500%3Anormal\u00bb css=\u00bb.vc_custom_1618231182422{background-color: #2a8fba !important;background-position: center !important;background-repeat: no-repeat !important;background-size: cover !important;}\u00bb][\/vc_column_inner][vc_column_inner width=\u00bb1\/3&#8243; css=\u00bb.vc_custom_1614009244940{border-top-width: 5px !important;border-right-width: 5px !important;border-bottom-width: 5px !important;border-left-width: 5px !important;padding-top: 300px !important;padding-right: 100px !important;padding-left: 100px !important;background-image: url(https:\/\/www.observatoiremigrateurs.com\/wp-content\/uploads\/2021\/02\/Canard-Siffleur_16.jpg?id=6304) !important;background-position: center !important;background-repeat: no-repeat !important;background-size: cover !important;border-left-color: #ffffff !important;border-left-style: solid !important;border-right-color: #ffffff !important;border-right-style: solid !important;border-top-color: #ffffff !important;border-top-style: solid !important;border-bottom-color: #ffffff !important;border-bottom-style: solid !important;}\u00bb][vc_custom_heading text=\u00bbEn Vol\u00bb font_container=\u00bbtag:h3|font_size:20|text_align:center|color:%23ffffff\u00bb google_fonts=\u00bbfont_family:Raleway%3A100%2C200%2C300%2Cregular%2C500%2C600%2C700%2C800%2C900|font_style:500%20bold%20regular%3A500%3Anormal\u00bb css=\u00bb.vc_custom_1618231189083{background-color: #2a8fba !important;}\u00bb][\/vc_column_inner][vc_column_inner width=\u00bb1\/3&#8243;][vc_custom_heading text=\u00bbCanard Siffleur\u00bb font_container=\u00bbtag:h2|font_size:36|text_align:center|color:%23ffffff\u00bb google_fonts=\u00bbfont_family:Raleway%3A100%2C200%2C300%2Cregular%2C500%2C600%2C700%2C800%2C900|font_style:700%20bold%20regular%3A700%3Anormal\u00bb css=\u00bb.vc_custom_1618231196474{background-color: #2a8fba !important;}\u00bb][vc_column_text css=\u00bb.vc_custom_1618231210085{padding-top: 10px !important;padding-right: 5px !important;padding-bottom: 10px !important;padding-left: 5px !important;background-color: #000000 !important;}\u00bb]<em><strong><span style=\"color: #ffffff;\">Comme chez tous les canards, le plumage de la femelle est beaucoup plus sobre que celui du m\u00e2le. Sa robe est d&#8217;un brun assez chaud, particuli\u00e8rement sur les flancs qui contrastent bien avec le ventre blanc.<\/span><\/strong><\/em>[\/vc_column_text][vc_empty_space height=\u00bb50px\u00bb][ultimate_icons][single_icon icon=\u00bbDefaults-arrow-circle-o-down\u00bb icon_size=\u00bb32&#8243; icon_margin=\u00bb5&#8243; icon_color=\u00bb#2a8fba\u00bb icon_link=\u00bburl:%23canardsiffleur|title:Descriptif\u00bb icon_animation=\u00bbpulse\u00bb][\/ultimate_icons][\/vc_column_inner][\/vc_row_inner][\/vc_column][\/vc_row][vc_row][vc_column width=\u00bb1\/6&#8243; offset=\u00bbvc_hidden-sm vc_hidden-xs\u00bb][vc_single_image image=\u00bb7178&#8243; img_size=\u00bb225 \u00d7 150&#8243; alignment=\u00bbcenter\u00bb style=\u00bbvc_box_shadow_3d\u00bb][vc_single_image image=\u00bb6937&#8243; img_size=\u00bb225 \u00d7 150&#8243; alignment=\u00bbcenter\u00bb style=\u00bbvc_box_shadow_3d\u00bb][vc_single_image image=\u00bb6936&#8243; img_size=\u00bb225 \u00d7 150&#8243; alignment=\u00bbcenter\u00bb style=\u00bbvc_box_shadow_3d\u00bb][vc_single_image image=\u00bb6935&#8243; 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alignment=\u00bbcenter\u00bb style=\u00bbvc_box_shadow_3d\u00bb][vc_single_image image=\u00bb6857&#8243; img_size=\u00bb225 \u00d7 150&#8243; alignment=\u00bbcenter\u00bb style=\u00bbvc_box_shadow_3d\u00bb][vc_single_image image=\u00bb6856&#8243; img_size=\u00bb225 \u00d7 150&#8243; alignment=\u00bbcenter\u00bb style=\u00bbvc_box_shadow_3d\u00bb][vc_single_image image=\u00bb6855&#8243; img_size=\u00bb225 \u00d7 150&#8243; alignment=\u00bbcenter\u00bb style=\u00bbvc_box_shadow_3d\u00bb][vc_single_image image=\u00bb6854&#8243; img_size=\u00bb225 \u00d7 150&#8243; alignment=\u00bbcenter\u00bb style=\u00bbvc_box_shadow_3d\u00bb][vc_single_image image=\u00bb6853&#8243; img_size=\u00bb225 \u00d7 150&#8243; alignment=\u00bbcenter\u00bb style=\u00bbvc_box_shadow_3d\u00bb][vc_single_image image=\u00bb6852&#8243; img_size=\u00bb225 \u00d7 150&#8243; alignment=\u00bbcenter\u00bb style=\u00bbvc_box_shadow_3d\u00bb][vc_single_image image=\u00bb6850&#8243; img_size=\u00bb225 \u00d7 150&#8243; alignment=\u00bbcenter\u00bb style=\u00bbvc_box_shadow_3d\u00bb][vc_single_image image=\u00bb6849&#8243; img_size=\u00bb225 \u00d7 150&#8243; alignment=\u00bbcenter\u00bb style=\u00bbvc_box_shadow_3d\u00bb][vc_single_image image=\u00bb6848&#8243; img_size=\u00bb225 \u00d7 150&#8243; alignment=\u00bbcenter\u00bb style=\u00bbvc_box_shadow_3d\u00bb][vc_single_image image=\u00bb6847&#8243; img_size=\u00bb225 \u00d7 150&#8243; alignment=\u00bbcenter\u00bb style=\u00bbvc_box_shadow_3d\u00bb][vc_single_image image=\u00bb6846&#8243; img_size=\u00bb225 \u00d7 150&#8243; alignment=\u00bbcenter\u00bb style=\u00bbvc_box_shadow_3d\u00bb][vc_single_image image=\u00bb6845&#8243; img_size=\u00bb225 \u00d7 150&#8243; alignment=\u00bbcenter\u00bb style=\u00bbvc_box_shadow_3d\u00bb][vc_single_image image=\u00bb6843&#8243; img_size=\u00bb225 \u00d7 150&#8243; alignment=\u00bbcenter\u00bb style=\u00bbvc_box_shadow_3d\u00bb][vc_single_image image=\u00bb6823&#8243; img_size=\u00bb225 \u00d7 150&#8243; alignment=\u00bbcenter\u00bb style=\u00bbvc_box_shadow_3d\u00bb][vc_single_image image=\u00bb6821&#8243; img_size=\u00bb225 \u00d7 150&#8243; alignment=\u00bbcenter\u00bb style=\u00bbvc_box_shadow_3d\u00bb][vc_single_image image=\u00bb6820&#8243; img_size=\u00bb225 \u00d7 150&#8243; alignment=\u00bbcenter\u00bb style=\u00bbvc_box_shadow_3d\u00bb][vc_single_image image=\u00bb6819&#8243; img_size=\u00bb225 \u00d7 150&#8243; alignment=\u00bbcenter\u00bb style=\u00bbvc_box_shadow_3d\u00bb][vc_single_image image=\u00bb6818&#8243; img_size=\u00bb225 \u00d7 150&#8243; alignment=\u00bbcenter\u00bb style=\u00bbvc_box_shadow_3d\u00bb][vc_single_image image=\u00bb6813&#8243; img_size=\u00bb225 \u00d7 150&#8243; alignment=\u00bbcenter\u00bb style=\u00bbvc_box_shadow_3d\u00bb][vc_single_image image=\u00bb6759&#8243; img_size=\u00bb225 \u00d7 150&#8243; alignment=\u00bbcenter\u00bb style=\u00bbvc_box_shadow_3d\u00bb][vc_single_image image=\u00bb5918&#8243; img_size=\u00bb225 \u00d7 150&#8243; alignment=\u00bbcenter\u00bb style=\u00bbvc_box_shadow_3d\u00bb][vc_single_image image=\u00bb5857&#8243; img_size=\u00bb225 \u00d7 150&#8243; alignment=\u00bbcenter\u00bb style=\u00bbvc_box_shadow_3d\u00bb][\/vc_column][vc_column width=\u00bb2\/3&#8243;][vc_raw_html]JTNDZGl2JTIwaWQlM0QlMjJjYW5hcmRzaWZmbGV1ciUyMiUzRSUzQyUyRmRpdiUzRQ==[\/vc_raw_html][vc_row_inner][vc_column_inner width=\u00bb2\/3&#8243;][vc_single_image image=\u00bb9160&#8243; img_size=\u00bbfull\u00bb alignment=\u00bbcenter\u00bb css_animation=\u00bbbounceIn\u00bb css=\u00bb.vc_custom_1646390317717{background-image: url(https:\/\/www.observatoiremigrateurs.com\/wp-content\/uploads\/2021\/11\/netterousse1.jpg?id=8797) !important;background-position: center !important;background-repeat: no-repeat !important;background-size: cover !important;}\u00bb][vc_column_text]<strong>Principaux caract\u00e8res sp\u00e9cifiques<\/strong><\/p>\n<p><strong>L<\/strong>e canard siffl eur est un anatid\u00e9 de taille\u00a0moyenne, d\u2019une longueur de 45 \u00e0 51 cm pour une envergure de 75 \u00e0 86 cm. C\u2019est un canard compact au cou et au bec courts. Ses ailes sont \u00e9troites et sa queue caract\u00e9ristiquement pointue. Les m\u00e2les p\u00e8sent de 600 \u00e0 1000 g, les femelles de 500 \u00e0 800 g. En plumage nuptial, la t\u00eate du m\u00e2le est roux orang\u00e9 avec, parfois, des refl ets ou un bandeau vert m\u00e9tallique diffus ; le front et le sommet de la t\u00eate sont parcourus d\u2019une bande jaune cr\u00e8me. La poitrine est ros\u00e2tre, le ventre blanc pur, les fl ancs et le dos gris vermicul\u00e9.[\/vc_column_text][vc_column_text]Les sous-caudales noires contrastent avec le dessus de la queue, gris argent\u00e9. Chez le m\u00e2le adulte, les couvertures alaires sont blanches et forment une bande transversale bien visible au repos comme en vol. De ce fait, il est possible de d\u00e9terminer l\u2019\u00e2ge des m\u00e2les \u00e0 distance. Domin\u00e9 par le brun, le plumage des femelles et des juv\u00e9niles varie beaucoup d\u2019un oiseau \u00e0 l\u2019autre. On reconnait habituellement quatre nuances de couleur: gris barr\u00e9, gris uni, roux barr\u00e9 et roux uni. Contrairement aux femelles des autres esp\u00e8ces de canard de surface eurasiens, le plumage du corps est marbr\u00e9 ou uni et non \u00ab \u00e9caill\u00e9 \u00bb. Le ventre est blanch\u00e2tre.[\/vc_column_text][\/vc_column_inner][vc_column_inner width=\u00bb1\/3&#8243;][vc_custom_heading text=\u00bbCanard siffleur (Anas penelope)\u00bb font_container=\u00bbtag:h2|text_align:right|color:%23000000&#8243;][vc_column_text]Le bec, \u00e9troit et court, est bleu-gris \u00e0 onglet noir. Il est d\u00e9pourvu de tachetures, y compris chez les femelles. Dans toutes les classes d\u2019\u00e2ge et de sexe, les pattes sont gris-noir et l\u2019iris brun.\u00a0Chez le m\u00e2le adulte, les plumes du miroir sont vert m\u00e9tallique et bord\u00e9es post\u00e9rieurement et ant\u00e9rieurement de noir. Elles sont sombres et ternes dans les autres classes d\u2019\u00e2ge et de sexe.<\/p>\n<p><strong>D\u00e9termination du sexe et de l\u2019\u00e2ge<\/strong><\/p>\n<p>des sif\ufb02eurs par l\u2019examen des ailes est ais\u00e9 dans la majorit\u00e9 des cas. Les m\u00e2les adultes se reconnaissent imm\u00e9diatement et toute l\u2019ann\u00e9e \u00e0 leurs couvertures alaires blanc pur. Pour les autres classes, la principale dif\ufb01cult\u00e9 r\u00e9side dans la d\u00e9termi- nation de l\u2019\u00e2ge de certaines femelles peu caract\u00e9ristiques, en parti- culier lorsque les grandes couvertures tertiaires des juv\u00e9niles ont \u00e9t\u00e9 remplac\u00e9es.\u00a0L\u2019examen alaire portera sur les couvertures sous-alaires, les petites et grandes couvertures, les grandes couvertures tertiaires (avant la mue nuptiale pour les femelles) et la dixi\u00e8me \u00e9mige secondaire. S\u2019agis- sant de l\u2019\u00e2ge des femelles, les deux derniers crit\u00e8res seront pr\u00e9cieux pour les cas dif\ufb01ciles. Dans certains cas, les grandes couvertures se- condaires pourront \u00e9galement contribuer \u00e0 \u00e9tablir le diagnostic. L\u2019extr\u00e9mit\u00e9 de ces plumes comporte en moyenne plus de noir chez les m\u00e2les que chez les femelles et chez les adultes que chez les jeunes. Si on dispose de\u00a0l\u2019oiseau entier, on recherchera des crit\u00e8res non alaires : pr\u00e9sence ou non d\u2019un p\u00e9nis, pr\u00e9sence ou non de vermicu- lures, forme des rectrices, existence ou non d\u2019une bourse de Fabricius pour les oiseaux morts. Les jeunes sif\ufb02eurs conservent des rectrices de type juv\u00e9nile parfois jusqu\u2019au printemps, ce qui facilite grandement la d\u00e9termination de leur \u00e2ge.[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][vc_single_image image=\u00bb9162&#8243; img_size=\u00bbfull\u00bb alignment=\u00bbcenter\u00bb][vc_row_inner][vc_column_inner width=\u00bb1\/3&#8243;][vc_single_image image=\u00bb9166&#8243; img_size=\u00bbmedium\u00bb alignment=\u00bbcenter\u00bb css_animation=\u00bbbounceIn\u00bb][vc_column_text]<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.observatoiremigrateurs.com\/wp-content\/uploads\/2021\/12\/1.png\" alt=\"\" width=\"19\" height=\"20\" \/>\u00a0<strong>Couvertures sous alaires<\/strong><\/p>\n<p>Plumes grises, saupoudr\u00e9es ou vermicul\u00e9es de\u00a0blanc-gris.[\/vc_column_text][vc_single_image image=\u00bb9167&#8243; img_size=\u00bbmedium\u00bb alignment=\u00bbcenter\u00bb css_animation=\u00bbbounceIn\u00bb][\/vc_column_inner][vc_column_inner width=\u00bb1\/3&#8243;][vc_column_text]<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.observatoiremigrateurs.com\/wp-content\/uploads\/2021\/12\/2.png\" alt=\"\" width=\"19\" height=\"20\" \/>\u00a0<strong>Petites et moyennes couvertures<\/strong><\/p>\n<p>Hormis celles qui sont proches du bord ant\u00e9rieur\u00a0de l\u2019aile, les petites et moyennes couvertures sont[\/vc_column_text][vc_single_image image=\u00bb9168&#8243; img_size=\u00bbmedium\u00bb alignment=\u00bbcenter\u00bb][vc_column_text]<strong>blanc pur<\/strong>. Elles forment une large tache au centre\u00a0de l\u2019aile.\u00a0Exceptionnellement, une ou deux plumes grises\u00a0ou brunes peuvent subsister parmi les blanches\u00a0(voir ci-dessous).[\/vc_column_text][vc_single_image image=\u00bb9169&#8243; img_size=\u00bbmedium\u00bb alignment=\u00bbcenter\u00bb][\/vc_column_inner][vc_column_inner width=\u00bb1\/3&#8243;][vc_column_text]<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.observatoiremigrateurs.com\/wp-content\/uploads\/2021\/12\/3.png\" alt=\"\" width=\"19\" height=\"20\" \/>\u00a0<strong>Grandes couvertures tertiaires<\/strong><\/p>\n<p>Plumes non us\u00e9es, \u00e0 bords r\u00e9guliers et bout arrondi.\u00a0Elles sont grises, bord\u00e9es d\u2019un liser\u00e9 blanc\u00a0et souvent vermicul\u00e9es \u00e0 leur extr\u00e9mit\u00e9.[\/vc_column_text][vc_single_image image=\u00bb9170&#8243; img_size=\u00bbmedium\u00bb alignment=\u00bbcenter\u00bb][vc_column_text]<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.observatoiremigrateurs.com\/wp-content\/uploads\/2021\/12\/4.png\" alt=\"\" width=\"19\" height=\"20\" \/>\u00a0<strong>Grandes couvertures secondaires<\/strong><\/p>\n<p>Plumes blanches \u00e0 bord distal noir pur.[\/vc_column_text][vc_single_image image=\u00bb9171&#8243; img_size=\u00bbmedium\u00bb alignment=\u00bbcenter\u00bb][\/vc_column_inner][\/vc_row_inner][vc_single_image image=\u00bb9173&#8243; img_size=\u00bbfull\u00bb alignment=\u00bbcenter\u00bb][vc_row_inner][vc_column_inner width=\u00bb1\/3&#8243;][vc_single_image image=\u00bb9176&#8243; img_size=\u00bbmedium\u00bb alignment=\u00bbcenter\u00bb css_animation=\u00bbbounceIn\u00bb][vc_column_text]<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.observatoiremigrateurs.com\/wp-content\/uploads\/2021\/12\/1.png\" alt=\"\" width=\"19\" height=\"20\" \/>\u00a0<strong>Couvertures sous alaires<\/strong><\/p>\n<p>Examiner surtout les petites et moyennes couvertures.\u00a0Ces plumes sont brun gris\u00e2tre \u00e0 grises ;\u00a0quelques unes au moins sont saupoudr\u00e9es, barr\u00e9es\u00a0ou vermicul\u00e9es de blanc-gris ou de brun-gris.[\/vc_column_text][vc_single_image image=\u00bb9177&#8243; img_size=\u00bbmedium\u00bb alignment=\u00bbcenter\u00bb css_animation=\u00bbbounceIn\u00bb][\/vc_column_inner][vc_column_inner width=\u00bb1\/3&#8243;][vc_column_text]Certaines peuvent pr\u00e9senter une \u00e9troite\u00a0marge claire mal d\u00e9fi nie.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.observatoiremigrateurs.com\/wp-content\/uploads\/2021\/12\/2.png\" alt=\"\" width=\"19\" height=\"20\" \/>\u00a0<strong>Petites et moyennes couvertures\u00a0<\/strong><\/p>\n<p>Aspect variable, voir diff\u00e9rents types illustr\u00e9s[\/vc_column_text][vc_single_image image=\u00bb9178&#8243; img_size=\u00bbmedium\u00bb alignment=\u00bbcenter\u00bb][vc_column_text]Ces plumes sont ordinairement \u00e9troites et \u00e0\u00a0bords convergeant rapidement vers l\u2019extr\u00e9mit\u00e9.\u00a0Elles sont brun-gris\u00e2tre \u00e0 beige, parfois confus\u00e9ment\u00a0barr\u00e9es de blanc sale ou de chamois.\u00a0Elles ont un aspect d\u00e9lav\u00e9. Les moyennes couvertures\u00a0sont fr\u00e9quemment bord\u00e9es d\u2019une marge\u00a0claire mal d\u00e9fi nie. Des plumes blanc pur peuvent\u00a0apparaitre au cours du premier hiver.[\/vc_column_text][\/vc_column_inner][vc_column_inner width=\u00bb1\/3&#8243;][vc_column_text]<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.observatoiremigrateurs.com\/wp-content\/uploads\/2021\/12\/3.png\" alt=\"\" width=\"19\" height=\"20\" \/>\u00a0<strong>Grandes couvertures tertiaires<\/strong><\/p>\n<p>Avant la mue nuptiale, ces plumes sont souvent\u00a0us\u00e9es, relativement \u00e9troites, \u00e0 bords irr\u00e9guliers.\u00a0Leur extr\u00e9mit\u00e9 est arrondie, obtuse ou effi l\u00e9e. Elles sont brunes, bord\u00e9es d\u2019un liser\u00e9 blanc sale,\u00a0qui peut avoir disparu par abrasion.[\/vc_column_text][vc_single_image image=\u00bb9179&#8243; img_size=\u00bbmedium\u00bb alignment=\u00bbcenter\u00bb][vc_column_text]<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.observatoiremigrateurs.com\/wp-content\/uploads\/2021\/12\/4.png\" alt=\"\" width=\"19\" height=\"20\" \/>\u00a0<strong>Grandes couvertures secondaires<\/strong><\/p>\n<p>Aspect tr\u00e8s variable. Examiner surtout les couvertures\u00a0centrales. Elles sont souvent \u00e9troites et\u00a0pointues. Ces plumes sont <strong>blanc sale, beiges ou<\/strong>[\/vc_column_text][vc_single_image image=\u00bb9180&#8243; img_size=\u00bbmedium\u00bb alignment=\u00bbcenter\u00bb][vc_column_text]<strong>brun-gris<\/strong> avec, sur certaines au moins, une <strong>tache\u00a0ou une barre subterminale brun fonc\u00e9 \u00e0 noir\u00a0mat mal d\u00e9fi nie<\/strong>.[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][vc_single_image image=\u00bb9182&#8243; img_size=\u00bbfull\u00bb alignment=\u00bbcenter\u00bb][vc_row_inner][vc_column_inner width=\u00bb1\/3&#8243;][vc_single_image image=\u00bb9185&#8243; img_size=\u00bbmedium\u00bb alignment=\u00bbcenter\u00bb css_animation=\u00bbbounceIn\u00bb][vc_column_text]<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.observatoiremigrateurs.com\/wp-content\/uploads\/2021\/12\/1.png\" alt=\"\" width=\"19\" height=\"20\" \/>\u00a0<strong>Couvertures sous alaires<\/strong><\/p>\n<p>Examiner surtout les petites et moyennes couvertures. Ces plumes sont<strong> brun clair avec une marge plus p\u00e2le ou blanche nettement d\u00e9limit\u00e9e.<\/strong>[\/vc_column_text][vc_single_image image=\u00bb9186&#8243; img_size=\u00bbmedium\u00bb alignment=\u00bbcenter\u00bb css_animation=\u00bbbounceIn\u00bb][\/vc_column_inner][vc_column_inner width=\u00bb1\/3&#8243;][vc_column_text]Elles sont <strong>d\u00e9pourvues de vermiculures<\/strong> mais peuvent pr\u00e9senter une zone plus claire en leur centre.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.observatoiremigrateurs.com\/wp-content\/uploads\/2021\/12\/2.png\" alt=\"\" width=\"19\" height=\"20\" \/>\u00a0<strong>Petites et moyennes couvertures<\/strong><\/p>\n<p>Aspect variable, voir diff\u00e9rents types illustr\u00e9s[\/vc_column_text][vc_single_image image=\u00bb9187&#8243; img_size=\u00bbmedium\u00bb alignment=\u00bbcenter\u00bb][vc_column_text]Ces plumes sont <strong>larges, \u00e0 extr\u00e9mit\u00e9 doucement arrondie<\/strong>. Elles sont brunes \u00e0 brun gris\u00e2tre et bord\u00e9es d\u2019une <strong>large marge blanche ou beige bien d\u00e9finie<\/strong>, contrastant fortement avec le centre de la plume. Ces marges blanches s\u2019\u00e9largissent et s\u2019\u00e9tendent \u00e0 la partie ant\u00e9rieure de l\u2019aile avec l\u2019\u00e2ge. Chez les jeunes adultes, elles peuvent \u00eatre tr\u00e8s r\u00e9duites ou pratiquement absentes des couvertures les plus proches du bord ant\u00e9rieur de l\u2019aile.[\/vc_column_text][\/vc_column_inner][vc_column_inner width=\u00bb1\/3&#8243;][vc_column_text]<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.observatoiremigrateurs.com\/wp-content\/uploads\/2021\/12\/3.png\" alt=\"\" width=\"19\" height=\"20\" \/>\u00a0<strong>Grandes couvertures tertiaires<\/strong><\/p>\n<p>Plumes non us\u00e9es, larges, \u00e0 bords r\u00e9guliers. L\u2019extr\u00e9mit\u00e9 de ces couvertures est doucement arrondie. Elles sont brunes, bord\u00e9es d\u2019une <strong>large marge blanche ou beige bien d\u00e9finie<\/strong>, contrastant fortement avec le centre de la plume.[\/vc_column_text][vc_single_image image=\u00bb9188&#8243; img_size=\u00bbmedium\u00bb alignment=\u00bbcenter\u00bb][vc_column_text]<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.observatoiremigrateurs.com\/wp-content\/uploads\/2021\/12\/4.png\" alt=\"\" width=\"19\" height=\"20\" \/>\u00a0<strong>Grandes couvertures secondaires<\/strong><\/p>\n<p>Aspect tr\u00e8s variable. Examiner surtout les couvertures\u00a0centrales. Elles sont souvent <strong>larges<\/strong> \u00e0 extr\u00e9mit\u00e9[\/vc_column_text][vc_single_image image=\u00bb9189&#8243; img_size=\u00bbmedium\u00bb alignment=\u00bbcenter\u00bb][vc_column_text]arrondie ou anguleuse. Ces plumes sont grises \u00e0 barre terminale blanche m\u00eal\u00e9e de grisnoir.[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][vc_single_image image=\u00bb9191&#8243; img_size=\u00bbfull\u00bb alignment=\u00bbcenter\u00bb][vc_row_inner][vc_column_inner width=\u00bb1\/3&#8243;][vc_single_image image=\u00bb9202&#8243; img_size=\u00bbmedium\u00bb alignment=\u00bbcenter\u00bb css_animation=\u00bbbounceIn\u00bb][vc_column_text]<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.observatoiremigrateurs.com\/wp-content\/uploads\/2021\/12\/1.png\" alt=\"\" width=\"19\" height=\"20\" \/>\u00a0<strong>Couvertures sous alaires\u00a0<\/strong><\/p>\n<p>Examiner surtout les petites et moyennes couvertures.\u00a0Ces plumes sont <strong>brun clair avec une marge\u00a0plus p\u00e2le ou blanche nettement d\u00e9limit\u00e9e<\/strong>.[\/vc_column_text][vc_single_image image=\u00bb9203&#8243; img_size=\u00bbmedium\u00bb alignment=\u00bbcenter\u00bb css_animation=\u00bbbounceIn\u00bb][\/vc_column_inner][vc_column_inner width=\u00bb1\/3&#8243;][vc_column_text]Elles sont <strong>d\u00e9pourvues de vermiculures<\/strong> mais peuvent\u00a0pr\u00e9senter une zone plus claire en leur centre.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" style=\"font-size: 0.8rem;\" src=\"https:\/\/www.observatoiremigrateurs.com\/wp-content\/uploads\/2021\/12\/2.png\" alt=\"\" width=\"19\" height=\"20\" \/>\u00a0<strong>Petites et moyennes couvertures<\/strong><\/p>\n<p>Aspect variable, voir diff\u00e9rents types illustr\u00e9s[\/vc_column_text][vc_single_image image=\u00bb9204&#8243; img_size=\u00bbmedium\u00bb alignment=\u00bbcenter\u00bb][vc_column_text]Ces plumes sont <strong>larges, \u00e0 extr\u00e9mit\u00e9 doucement\u00a0arrondie<\/strong>. Elles sont brunes \u00e0 brun gris\u00e2tre et bord\u00e9es\u00a0d\u2019une <strong>large marge blanche ou beige bien\u00a0d\u00e9finie<\/strong>, contrastant fortement avec le centre de\u00a0la plume. Ces marges blanches s\u2019\u00e9largissent et\u00a0s\u2019\u00e9tendent \u00e0 la partie ant\u00e9rieure de l\u2019aile avec\u00a0l\u2019\u00e2ge. Chez les jeunes adultes, elles peuvent \u00eatre\u00a0tr\u00e8s r\u00e9duites ou pratiquement absentes des couvertures\u00a0les plus proches du bord ant\u00e9rieur de\u00a0l\u2019aile.[\/vc_column_text][\/vc_column_inner][vc_column_inner width=\u00bb1\/3&#8243;][vc_column_text]<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.observatoiremigrateurs.com\/wp-content\/uploads\/2021\/12\/3.png\" alt=\"\" width=\"19\" height=\"20\" \/>\u00a0<strong>Grandes couvertures tertiaires<\/strong><\/p>\n<p>Plumes non us\u00e9es, larges, \u00e0 bords r\u00e9guliers. L\u2019extr\u00e9mit\u00e9\u00a0de ces couvertures est doucement arrondie.\u00a0Elles sont brunes, bord\u00e9es d\u2019une <strong>large marge\u00a0blanche ou beige bien d\u00e9finie<\/strong>, contrastant fortement\u00a0avec le centre de la plume.[\/vc_column_text][vc_single_image image=\u00bb9205&#8243; img_size=\u00bbmedium\u00bb alignment=\u00bbcenter\u00bb][vc_column_text]<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.observatoiremigrateurs.com\/wp-content\/uploads\/2021\/12\/4.png\" alt=\"\" width=\"19\" height=\"20\" \/>\u00a0<strong>Grandes couvertures secondaires<\/strong><\/p>\n<p>Aspect tr\u00e8s variable. Examiner surtout les couvertures\u00a0centrales.[\/vc_column_text][vc_single_image image=\u00bb9206&#8243; img_size=\u00bbmedium\u00bb alignment=\u00bbcenter\u00bb][vc_column_text]Elles sont souvent <strong>larges<\/strong> \u00e0 extr\u00e9mit\u00e9\u00a0arrondie ou anguleuse. Ces plumes sont\u00a0grises \u00e0 barre terminale blanche m\u00eal\u00e9e de gris-noir.[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][vc_row_inner][vc_column_inner width=\u00bb2\/3&#8243;][vc_column_text]\n<p style=\"text-align: center;\"><span style=\"color: #ff0000;\"><strong>Variabilit\u00e9 de l\u2019aspect des couvertures alaires au sein d\u2019une m\u00eame classe d\u2019\u00e2ge et de sexe<\/strong><\/span><\/p>\n[\/vc_column_text][\/vc_column_inner][vc_column_inner width=\u00bb1\/3&#8243;][vc_column_text]\n<h2 style=\"text-align: center;\">Canard Siffleur<\/h2>\n[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][vc_row_inner][vc_column_inner width=\u00bb1\/4&#8243;][vc_column_text]\n<h2>M\u00e2les juv\u00e9niles<\/h2>\n[\/vc_column_text][\/vc_column_inner][vc_column_inner width=\u00bb1\/4&#8243;][vc_single_image image=\u00bb9220&#8243; img_size=\u00bbmedium\u00bb alignment=\u00bbcenter\u00bb css_animation=\u00bbbounceIn\u00bb][vc_column_text]couvertures brunes et barr\u00e9es,\u00a0avec marges claires sur certaines[\/vc_column_text][\/vc_column_inner][vc_column_inner width=\u00bb1\/4&#8243;][vc_single_image image=\u00bb9221&#8243; img_size=\u00bbmedium\u00bb alignment=\u00bbcenter\u00bb css_animation=\u00bbbounceIn\u00bb][vc_column_text]couvertures gris blanch\u00e2tre\u00a0d\u00e9pourvues de marges claires[\/vc_column_text][\/vc_column_inner][vc_column_inner width=\u00bb1\/4&#8243;][vc_single_image image=\u00bb9222&#8243; img_size=\u00bbmedium\u00bb alignment=\u00bbcenter\u00bb css_animation=\u00bbbounceIn\u00bb][vc_column_text]pr\u00e9sence d\u2019une petite couverture\u00a0enti\u00e8rement blanche[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][vc_row_inner][vc_column_inner width=\u00bb1\/3&#8243;][vc_column_text]\n<h2>Femelles adultes<\/h2>\n[\/vc_column_text][\/vc_column_inner][vc_column_inner width=\u00bb1\/3&#8243;][vc_single_image image=\u00bb9224&#8243; img_size=\u00bbmedium\u00bb alignment=\u00bbcenter\u00bb css_animation=\u00bbbounceIn\u00bb][vc_column_text]marges blanches limit\u00e9es aux moyennes couvertures\u00a0et petites couvertures centrales[\/vc_column_text][\/vc_column_inner][vc_column_inner width=\u00bb1\/3&#8243;][vc_single_image image=\u00bb9225&#8243; img_size=\u00bbmedium\u00bb alignment=\u00bbcenter\u00bb css_animation=\u00bbbounceIn\u00bb][vc_column_text]marges blanches s\u2019\u00e9tendant \u00e0\u00a0toutes les couvertures[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][vc_row_inner][vc_column_inner width=\u00bb1\/4&#8243;][vc_column_text]\n<h2>Femelles juv\u00e9niles<\/h2>\n[\/vc_column_text][\/vc_column_inner][vc_column_inner width=\u00bb1\/4&#8243;][vc_single_image image=\u00bb9229&#8243; img_size=\u00bbmedium\u00bb alignment=\u00bbcenter\u00bb css_animation=\u00bbbounceIn\u00bb][vc_column_text]marges claires limit\u00e9es\u00a0aux moyennes couvertures[\/vc_column_text][\/vc_column_inner][vc_column_inner width=\u00bb1\/4&#8243;][vc_single_image image=\u00bb9228&#8243; img_size=\u00bbmedium\u00bb alignment=\u00bbcenter\u00bb css_animation=\u00bbbounceIn\u00bb][vc_column_text]marges claires des petites\u00a0couvertures tr\u00e8s diffuses[\/vc_column_text][\/vc_column_inner][vc_column_inner width=\u00bb1\/4&#8243;][vc_single_image image=\u00bb9227&#8243; img_size=\u00bbmedium\u00bb alignment=\u00bbcenter\u00bb css_animation=\u00bbbounceIn\u00bb][vc_column_text]marges presque blanches et s\u2019\u00e9tendant\u00a0\u00e0 toutes les couvertures[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][vc_column_text]\n<p style=\"text-align: center;\"><span style=\"color: #ff0000;\"><strong>Tableau synoptique des principaux crit\u00e8res alaires distinctifs du sexe et de l\u2019\u00e2ge<\/strong><\/span><\/p>\n[\/vc_column_text][vc_row_inner][vc_column_inner width=\u00bb1\/5&#8243;][\/vc_column_inner][vc_column_inner width=\u00bb1\/5&#8243;][vc_column_text]\n<p style=\"text-align: center;\">M\u00c2LE ADULTE<\/p>\n[\/vc_column_text][\/vc_column_inner][vc_column_inner width=\u00bb1\/5&#8243;][vc_column_text]\n<p style=\"text-align: center;\">M\u00c2LE JUV\u00c9NILE<\/p>\n[\/vc_column_text][\/vc_column_inner][vc_column_inner width=\u00bb1\/5&#8243;][vc_column_text]\n<p style=\"text-align: center;\">M\u00c2LE JUV\u00c9NILE<\/p>\n[\/vc_column_text][\/vc_column_inner][vc_column_inner width=\u00bb1\/5&#8243;][vc_column_text]\n<p style=\"text-align: center;\">FEMELLE JUV\u00c9NILE<\/p>\n[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][vc_row_inner][vc_column_inner width=\u00bb1\/5&#8243;][vc_column_text]<strong>Grandes couvertures tertiaires (ici, la 2e)<\/strong>[\/vc_column_text][\/vc_column_inner][vc_column_inner width=\u00bb1\/5&#8243;][vc_single_image image=\u00bb9234&#8243; img_size=\u00bbfull\u00bb alignment=\u00bbcenter\u00bb][vc_column_text]grises avec un fin liser\u00e9 blanc\u00a0&#8211; pointe souvent vermicul\u00e9e[\/vc_column_text][\/vc_column_inner][vc_column_inner width=\u00bb1\/5&#8243;][vc_single_image image=\u00bb9233&#8243; img_size=\u00bbfull\u00bb alignment=\u00bbcenter\u00bb][vc_column_text]us\u00e9es, obtuses \u2013 brunes avec\u00a0un fi n liser\u00e9 blanc sale[\/vc_column_text][\/vc_column_inner][vc_column_inner width=\u00bb1\/5&#8243;][vc_single_image image=\u00bb9232&#8243; img_size=\u00bbfull\u00bb alignment=\u00bbcenter\u00bb][vc_column_text]non us\u00e9es, arrondies \u2013 brunes avec\u00a0large marge blanche[\/vc_column_text][\/vc_column_inner][vc_column_inner width=\u00bb1\/5&#8243;][vc_single_image image=\u00bb9231&#8243; img_size=\u00bbfull\u00bb alignment=\u00bbcenter\u00bb][vc_column_text]us\u00e9es, obtuses \u2013 brunes avec\u00a0un fi n liser\u00e9 blanc sale[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][vc_row_inner][vc_column_inner width=\u00bb1\/5&#8243;][vc_column_text]\n<p style=\"font-weight: 400;\"><strong>Couvertures sous-alaires<\/strong><\/p>\n[\/vc_column_text][\/vc_column_inner][vc_column_inner width=\u00bb1\/5&#8243;][vc_single_image image=\u00bb9237&#8243; img_size=\u00bbfull\u00bb alignment=\u00bbcenter\u00bb][vc_column_text]arrondies \u2013 grises avec saupoudrage\u00a0ou vermiculures blanc-gris[\/vc_column_text][\/vc_column_inner][vc_column_inner width=\u00bb1\/5&#8243;][vc_single_image image=\u00bb9238&#8243; img_size=\u00bbfull\u00bb alignment=\u00bbcenter\u00bb][vc_column_text]pointues \u2013 brun-gris avec saupoudrage\u00a0ou rayures \u2013 sans net liser\u00e9[\/vc_column_text][\/vc_column_inner][vc_column_inner width=\u00bb1\/5&#8243;][vc_single_image image=\u00bb9239&#8243; img_size=\u00bbfull\u00bb alignment=\u00bbcenter\u00bb][vc_column_text]arrondies \u2013 brun clair avec large et\u00a0nette marge blanc-beige[\/vc_column_text][\/vc_column_inner][vc_column_inner width=\u00bb1\/5&#8243;][vc_single_image image=\u00bb9240&#8243; img_size=\u00bbfull\u00bb alignment=\u00bbcenter\u00bb][vc_column_text]pointues \u2013 brun clair avec liser\u00e9\u00a0blanc-beige bien visible[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][vc_row_inner][vc_column_inner width=\u00bb1\/5&#8243;][vc_column_text]<strong>Petites et moyennes\u00a0couvertures<\/strong>[\/vc_column_text][\/vc_column_inner][vc_column_inner width=\u00bb1\/5&#8243;][vc_single_image image=\u00bb9251&#8243; img_size=\u00bbfull\u00bb alignment=\u00bbcenter\u00bb][vc_column_text]blanc pur[\/vc_column_text][\/vc_column_inner][vc_column_inner width=\u00bb1\/5&#8243;][vc_single_image image=\u00bb9252&#8243; img_size=\u00bbfull\u00bb alignment=\u00bbcenter\u00bb][vc_column_text]\u00e9troites \u00e0 bout obtus \u2013 brun-beige \u2013 pas de marge claire nette[\/vc_column_text][\/vc_column_inner][vc_column_inner width=\u00bb1\/5&#8243;][vc_single_image image=\u00bb9253&#8243; img_size=\u00bbfull\u00bb alignment=\u00bbcenter\u00bb][vc_column_text]larges \u00e0 bout arrondi \u2013 brunes \u00e0 large marge claire bien d\u00e9fi nie[\/vc_column_text][\/vc_column_inner][vc_column_inner width=\u00bb1\/5&#8243;][vc_single_image image=\u00bb9254&#8243; img_size=\u00bbfull\u00bb alignment=\u00bbcenter\u00bb][vc_column_text]\u00e9troites \u00e0 bout obtus \u2013 brunes avec\u00a0marge claire mal d\u00e9fi nie[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][vc_row_inner][vc_column_inner width=\u00bb1\/5&#8243;][vc_column_text]<strong>Grandes couvertures\u00a0secondaires centrales<\/strong>[\/vc_column_text][\/vc_column_inner][vc_column_inner width=\u00bb1\/5&#8243;][vc_single_image image=\u00bb9257&#8243; img_size=\u00bbfull\u00bb alignment=\u00bbcenter\u00bb][vc_column_text]larges \u2013 barre terminale noir pur[\/vc_column_text][\/vc_column_inner][vc_column_inner width=\u00bb1\/5&#8243;][vc_single_image image=\u00bb9258&#8243; img_size=\u00bbfull\u00bb alignment=\u00bbcenter\u00bb][vc_column_text]\u00e9troites, pointues \u2013 certaines avec\u00a0extr\u00e9mit\u00e9 tach\u00e9e de noir[\/vc_column_text][\/vc_column_inner][vc_column_inner width=\u00bb1\/5&#8243;][vc_single_image image=\u00bb9259&#8243; img_size=\u00bbfull\u00bb alignment=\u00bbcenter\u00bb][vc_column_text]larges \u2013 grises \u00e0 extr\u00e9mit\u00e9 blanche\u00a0saupoudr\u00e9e de noir\u00e2tre[\/vc_column_text][\/vc_column_inner][vc_column_inner width=\u00bb1\/5&#8243;][vc_single_image image=\u00bb9256&#8243; img_size=\u00bbfull\u00bb alignment=\u00bbcenter\u00bb][vc_column_text]\u00e9troites, pointues \u2013 grises \u00e0 extr\u00e9mit\u00e9\u00a0blanche, rarement tach\u00e9e[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][vc_column_text]\n<p style=\"text-align: center;\">Nota : les plumes d\u2019oiseaux juv\u00e9niles sont montr\u00e9es ici telles qu\u2019on peut les observer avant la mue nuptiale.<\/p>\n[\/vc_column_text][vc_single_image image=\u00bb1453&#8243; alignment=\u00bbcenter\u00bb onclick=\u00bbcustom_link\u00bb img_link_target=\u00bb_blank\u00bb link=\u00bbhttps:\/\/www.observatoiremigrateurs.com\/wp-content\/uploads\/2022\/04\/guide_determination_canards_canard_siffleur.pdf\u00bb][vc_column_text]\n<p style=\"text-align: center;\"><span style=\"color: #ff0000;\">Auteur<\/span> :\u00a0Jean-Baptiste Mouronval \u2013 Office national de la chasse et de la faune sauvage \u2013 Le Sambuc 13200 ARLES<\/p>\n[\/vc_column_text][\/vc_column][vc_column width=\u00bb1\/6&#8243; offset=\u00bbvc_hidden-sm vc_hidden-xs\u00bb][vc_single_image image=\u00bb6816&#8243; img_size=\u00bb225 \u00d7 150&#8243; alignment=\u00bbcenter\u00bb style=\u00bbvc_box_shadow_3d\u00bb][vc_single_image image=\u00bb6815&#8243; img_size=\u00bb225 \u00d7 150&#8243; alignment=\u00bbcenter\u00bb style=\u00bbvc_box_shadow_3d\u00bb][vc_single_image image=\u00bb6814&#8243; img_size=\u00bb225 \u00d7 150&#8243; alignment=\u00bbcenter\u00bb style=\u00bbvc_box_shadow_3d\u00bb][vc_single_image image=\u00bb6813&#8243; 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