{"id":9530,"date":"2019-05-15T16:28:39","date_gmt":"2019-05-15T16:28:39","guid":{"rendered":"https:\/\/whsrn.org\/playero-semipalmeado\/"},"modified":"2019-05-15T17:02:24","modified_gmt":"2019-05-15T17:02:24","slug":"playero-semipalmeado","status":"publish","type":"page","link":"https:\/\/whsrn.org\/es\/acerca-de-las-aves-playeras\/especies-destacadas\/playero-semipalmeado\/","title":{"rendered":"Playero Semipalmeado"},"content":{"rendered":"[mk_page_section bg_image=&#8221;https:\/\/whsrn.org\/wp-content\/uploads\/2019\/02\/sesa_header-1.jpg&#8221; bg_image_portrait=&#8221;https:\/\/whsrn.org\/wp-content\/uploads\/2019\/03\/sesp-header.jpg&#8221; bg_color=&#8221;#5e5e5e&#8221; bg_position=&#8221;center center&#8221; bg_repeat=&#8221;no-repeat&#8221; bg_stretch=&#8221;true&#8221; video_color_mask=&#8221;#cccccc&#8221; video_opacity=&#8221;.4&#8243; min_height=&#8221;325&#8243; sidebar=&#8221;sidebar-1&#8243;][vc_column][mk_padding_divider size=&#8221;120&#8243;][mk_fancy_title tag_name=&#8221;h1&#8243; color=&#8221;#ffffff&#8221; size=&#8221;75&#8243; force_font_size=&#8221;true&#8221; size_phone=&#8221;42&#8243; font_weight=&#8221;900&#8243; font_family=&#8221;Roboto+Condensed&#8221; font_type=&#8221;google&#8221; align=&#8221;center&#8221;]<span class=\"color_35\">Playero Semipalmeado<br \/>\n<\/span>[\/mk_fancy_title][\/vc_column][\/mk_page_section][mk_page_section bg_color=&#8221;#f2f2f2&#8243; padding_top=&#8221;0&#8243; padding_bottom=&#8221;0&#8243; sidebar=&#8221;sidebar-1&#8243;][vc_column width=&#8221;1\/6&#8243; css=&#8221;.vc_custom_1534796504266{padding-right: 35px !important;}&#8221;][\/vc_column][vc_column width=&#8221;2\/3&#8243;][mk_padding_divider size=&#8221;35&#8243;][mk_fancy_title tag_name=&#8221;span&#8221; color=&#8221;#005695&#8243; size=&#8221;26&#8243; font_weight=&#8221;300&#8243; txt_transform=&#8221;none&#8221; margin_bottom=&#8221;0&#8243; font_family=&#8221;Roboto+Slab&#8221; font_type=&#8221;google&#8221; responsive_align=&#8221;left&#8221;]Al t\u00e9rmino de su temporada reproductiva en el \u00c1rtico, algunos playeros semipalmeados llegan a volar sobre el oc\u00e9ano hasta 4,000 kil\u00f3metros, en forma ininterrumpida, desde el sureste de Canad\u00e1 y noreste de Estados Unidos hasta las costas norte de Am\u00e9rica del Sur.<sup>1<\/sup> En bandadas de hasta 300,000 individuos, la especie se concentra en m\u00faltiples sitios de reposo e invernaci\u00f3n clave que se extienden desde el sur de M\u00e9xico hasta diversos puntos en las costas centrales sudamericanas.<sup>2<\/sup>[\/mk_fancy_title][mk_padding_divider size=&#8221;35&#8243;][\/vc_column][vc_column width=&#8221;1\/6&#8243;][\/vc_column][\/mk_page_section][mk_page_section full_width=&#8221;true&#8221; padding_top=&#8221;0&#8243; padding_bottom=&#8221;0&#8243; sidebar=&#8221;sidebar-1&#8243;][vc_column css=&#8221;.vc_custom_1542646325399{margin-right: 0px !important;margin-left: 0px !important;padding-right: 3px !important;padding-left: 0px !important;}&#8221;][mk_image src=&#8221;https:\/\/whsrn.org\/wp-content\/uploads\/2019\/02\/sesa_banner_fullwidth.jpg&#8221; image_size=&#8221;full&#8221;][\/vc_column][\/mk_page_section][vc_row][vc_column width=&#8221;1\/6&#8243;][\/vc_column][vc_column width=&#8221;2\/3&#8243;][mk_fancy_title tag_name=&#8221;span&#8221; color=&#8221;#53565a&#8221; size=&#8221;12&#8243; font_weight=&#8221;400&#8243; margin_bottom=&#8221;0&#8243; font_family=&#8221;none&#8221; align=&#8221;center&#8221;]<em>Infograf\u00eda: Comisi\u00f3n para la Cooperaci\u00f3n Ambiental<\/em>[\/mk_fancy_title][\/vc_column][vc_column width=&#8221;1\/6&#8243;][\/vc_column][\/vc_row][vc_row][vc_column width=&#8221;1\/6&#8243;][\/vc_column][vc_column width=&#8221;2\/3&#8243;][mk_padding_divider size=&#8221;30&#8243;][mk_fancy_title tag_name=&#8221;h4&#8243; color=&#8221;#669abf&#8221; size=&#8221;16&#8243; line_height=&#8221;120&#8243; font_weight=&#8221;bold&#8221; txt_transform=&#8221;uppercase&#8221; letter_spacing=&#8221;2&#8243; margin_top=&#8221;15&#8243; margin_bottom=&#8221;0&#8243; font_family=&#8221;Roboto&#8221; font_type=&#8221;google&#8221; responsive_align=&#8221;left&#8221;]Poblaci\u00f3n[\/mk_fancy_title][vc_column_text css=&#8221;.vc_custom_1549552081690{margin-bottom: 0px !important;}&#8221;]En la actualidad, la poblaci\u00f3n estimada de PSP es de 2,260,000 individuos.<sup>3<\/sup> Si bien los Playeros Semipalmeados contin\u00faan siendo numerosos, el descenso de su poblaci\u00f3n ha sido de casi 30 por ciento en apenas tres generaciones (22 a\u00f1os), lo que justifica su inclusi\u00f3n en la Lista Roja de Especies Amenazadas de la Uni\u00f3n Internacional para la Conservaci\u00f3n de la Naturaleza (UICN).<sup>4<\/sup> Asimismo, en Canad\u00e1, Estados Unidos y M\u00e9xico el Playero Semipalmeado se ha identificado como una especie cuya conservaci\u00f3n est\u00e1 amenazada y que suscita elevada preocupaci\u00f3n.[\/vc_column_text][mk_fancy_title tag_name=&#8221;h4&#8243; color=&#8221;#669abf&#8221; size=&#8221;16&#8243; line_height=&#8221;120&#8243; font_weight=&#8221;bold&#8221; txt_transform=&#8221;uppercase&#8221; letter_spacing=&#8221;2&#8243; margin_top=&#8221;15&#8243; margin_bottom=&#8221;0&#8243; font_family=&#8221;Roboto&#8221; font_type=&#8221;google&#8221; responsive_align=&#8221;left&#8221;]H\u00e1bitat[\/mk_fancy_title][vc_column_text css=&#8221;.vc_custom_1549552095492{margin-bottom: 0px !important;}&#8221;]Durante el verano, el Playero Semipalmeado se reproduce y anida en la tundra \u00e1rtica, por lo general cerca del agua, en playas o marismas. Durante su migraci\u00f3n puede encontrarse en zonas costeras e intermareales, as\u00ed como a orillas de lagos interiores y marismas.<sup>5<\/sup> El h\u00e1bitat que frecuenta en temporada de invernaci\u00f3n, en su mayor\u00eda costero, incluye playas, marismas en zonas intermareales, lagunas de baja profundidad y marismas salinas.<sup>6<\/sup>[\/vc_column_text][mk_padding_divider][\/vc_column][vc_column width=&#8221;1\/6&#8243;][\/vc_column][\/vc_row][mk_page_section layout_structure=&#8221;half_right&#8221; bg_image=&#8221;https:\/\/whsrn.org\/wp-content\/uploads\/2019\/02\/winn_sesa_breeding.jpg&#8221; bg_image_portrait=&#8221;https:\/\/whsrn.org\/wp-content\/uploads\/2019\/03\/semipalmated-center.jpg&#8221; bg_color=&#8221;#f2f2f2&#8243; bg_stretch=&#8221;true&#8221; full_width=&#8221;true&#8221; padding_top=&#8221;80&#8243; padding_bottom=&#8221;80&#8243; margin_bottom=&#8221;20&#8243;][vc_column css=&#8221;.vc_custom_1534952339599{padding-right: 35px !important;padding-left: 35px !important;}&#8221;][mk_padding_divider size=&#8221;15&#8243;][mk_fancy_title tag_name=&#8221;h4&#8243; color=&#8221;#53565a&#8221; size=&#8221;18&#8243; line_height=&#8221;120&#8243; font_weight=&#8221;bold&#8221; txt_transform=&#8221;uppercase&#8221; letter_spacing=&#8221;2&#8243; margin_bottom=&#8221;0&#8243; font_family=&#8221;Roboto&#8221; font_type=&#8221;google&#8221; align=&#8221;center&#8221;]\u00bfC\u00f3mo Identificarlos?[\/mk_fancy_title][mk_divider style=&#8221;thick_solid&#8221; divider_width=&#8221;custom_width&#8221; custom_width=&#8221;75&#8243; border_color=&#8221;#53565a&#8221; margin_top=&#8221;0&#8243;][vc_column_text css=&#8221;.vc_custom_1549552106355{margin-bottom: 0px !important;}&#8221;]Aves peque\u00f1as, los playeros semipalmeados miden de 13 a 15 cent\u00edmetros, poseen pico y patas negros, moderadamente largos, y un cuello corto. Sus picos a veces se encorvan ligeramente hacia la punta. Presentan coloraciones pardas en el dorso y, por lo general, pocas marcas en el pecho.<sup>1<\/sup> El adjetivo \u00absemipalmeado\u00bb alude a la ligera membrana que une sus dedos y es visible s\u00f3lo desde una distancia muy corta.<sup>5<\/sup>[\/vc_column_text][mk_padding_divider size=&#8221;10&#8243;][\/vc_column][\/mk_page_section][vc_row][vc_column width=&#8221;1\/6&#8243;][\/vc_column][vc_column width=&#8221;2\/3&#8243;][mk_padding_divider size=&#8221;30&#8243;][mk_fancy_title tag_name=&#8221;h4&#8243; color=&#8221;#669abf&#8221; size=&#8221;16&#8243; line_height=&#8221;120&#8243; font_weight=&#8221;bold&#8221; txt_transform=&#8221;uppercase&#8221; letter_spacing=&#8221;2&#8243; margin_top=&#8221;15&#8243; margin_bottom=&#8221;0&#8243; font_family=&#8221;Roboto&#8221; font_type=&#8221;google&#8221; responsive_align=&#8221;left&#8221;]Migraci\u00f3n[\/mk_fancy_title][vc_column_text css=&#8221;.vc_custom_1549552158972{margin-bottom: 0px !important;}&#8221;]Tres poblaciones de PSP se reproducen en el norte de Canad\u00e1 y en Alaska (Estados Unidos): la poblaci\u00f3n del oeste (aquellas de Alaska) representa alrededor de 64 por ciento de la poblaci\u00f3n total, mientras que juntas las poblaciones del centro (occidente del \u00e1rtico canadiense) y el este (oriente del \u00e1rtico canadiense) dan cuenta de casi 36 por ciento del total.<sup>1<\/sup><\/p>\n<p>Durante la migraci\u00f3n primaveral (en direcci\u00f3n norte), estas poblaciones vuelan a trav\u00e9s del nororiente de Am\u00e9rica del Norte, pasando por el interior de Estados Unidos y el norte de Canad\u00e1, hasta sus zonas de reproducci\u00f3n en el \u00c1rtico. Durante la migraci\u00f3n oto\u00f1al (en direcci\u00f3n sur), las bandadas del oriente realizan vuelos transoce\u00e1nicos de entre 3,000 y 4,000 kil\u00f3metros sin escalas, desde el sureste de Canad\u00e1 y el noreste de Estados Unidos hasta el norte de Sudam\u00e9rica.<sup>2<\/sup> Los sitios de invernaci\u00f3n a lo largo de la costa del Pac\u00edfico se extienden desde M\u00e9xico hasta Per\u00fa, mientras que en la costa del Atl\u00e1ntico estos sitios se extienden desde el sur de Yucat\u00e1n y las Indias Occidentales hasta el centro de Argentina, y concentran grandes bandadas a lo largo de las costas de Surinam y la Guyana Francesa.<sup>6,7<\/sup>[\/vc_column_text][mk_fancy_title tag_name=&#8221;h4&#8243; color=&#8221;#669abf&#8221; size=&#8221;16&#8243; line_height=&#8221;120&#8243; font_weight=&#8221;bold&#8221; txt_transform=&#8221;uppercase&#8221; letter_spacing=&#8221;2&#8243; margin_top=&#8221;15&#8243; margin_bottom=&#8221;0&#8243; font_family=&#8221;Roboto&#8221; font_type=&#8221;google&#8221; responsive_align=&#8221;left&#8221;]Dieta[\/mk_fancy_title][vc_column_text css=&#8221;.vc_custom_1549552176281{margin-bottom: 0px !important;}&#8221;]\n<div class=\"about-species\">\n<div class=\"right\">\n<p>Durante la temporada de reproducci\u00f3n, el Playero Semipalmeado se alimenta principalmente de insectos, ara\u00f1as, caracoles y semillas.<sup>5<\/sup>Gracias a la ligera membrana en las patas \u2014que da nombre a la especie\u2014, as\u00ed como a su pico y lengua especializados, estas aves sacan provecho del entorno rico en invertebrados que les proporcionan las marismas. Durante su migraci\u00f3n, se alimentan de toda una variedad de invertebrados para acumular las reservas de energ\u00eda necesarias para sus largos vuelos. En su trayecto hacia el \u00c1rtico, alrededor de 60 por ciento de los playeros semipalmeados hacen parada en la Bah\u00eda de Delaware<sup>4<\/sup> para alimentarse de huevos de cangrejo herradura.<\/p>\n<\/div>\n<\/div>\n[\/vc_column_text][mk_padding_divider size=&#8221;50&#8243;][\/vc_column][vc_column width=&#8221;1\/6&#8243;][\/vc_column][\/vc_row][mk_page_section][vc_column width=&#8221;1\/6&#8243;][\/vc_column][vc_column width=&#8221;2\/3&#8243;][mk_fancy_title tag_name=&#8221;span&#8221; color=&#8221;#3d4045&#8243; size=&#8221;12&#8243; font_weight=&#8221;400&#8243; font_family=&#8221;none&#8221; responsive_align=&#8221;left&#8221;]<b>FUENTES<\/b>[\/mk_fancy_title][vc_column_text css=&#8221;.vc_custom_1557939655935{margin-bottom: 0px !important;}&#8221;]<sup>1<\/sup> Cornell Lab of Ornithology 2017. All About Birds, gu\u00eda en l\u00ednea sobre aves, &#8220;Semipalmated Sandpipers&#8221;, en: &lt;<a href=\"http:\/\/www.allaboutbirds.org\/guide\/Semipalmated_Sandpiper\" target=\"_blank\" rel=\"noopener noreferrer\">www.allaboutbirds.org\/guide\/Semipalmated_Sandpiper<\/a>&gt;. (consulta realizada el 25 de julio de 2017).<\/p>\n<p><sup>2 <\/sup>Cornell Lab of Ornithology. 2017. Birds of North America, &#8220;Semipalmated Sandpiper,&#8221; en: &lt;<a href=\"https:\/\/birdsna.org\/Species-Account\/bna\/species\/semsan\/introduction\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/birdsna.org\/Species-Account\/bna\/species\/semsan\/introduction<\/a>&gt;. (consulta realizada el 25 de julio de 2017).<\/p>\n<p><sup>3 <\/sup>Andres, B.A., P.A. Smith, R.I.G. Morrison, C.L. Gratto-Trevor, S.C. Brown, y C.A. Friis. 2012. &#8220;Population estimates of North American shorebirds,&#8221; <em>Wader Study Group Bulletin<\/em> 119(3): 178\u2013194.<\/p>\n<p><sup>4 <\/sup>BirdLife International. 2016. <em>Calidris pusilla<\/em>. Lista Roja de Especies Amenazadas de la UICN, e.T22693373A93400702. en: &lt;<a href=\"http:\/\/dx.doi.org\/10.2305\/IUCN.UK.2016-3.RLTS.T22693373A93400702.en\" target=\"_blank\" rel=\"noopener noreferrer\">http:\/\/dx.doi.org\/10.2305\/IUCN.UK.2016-3.RLTS.T22693373A93400702.en<\/a>&gt;. (consulta realizada el 25 de julio de 2017).<\/p>\n<p><sup>5 <\/sup>National Audubon Society. 2017. <em>Gu\u00eda de aves de Am\u00e9rica del Norte,<\/em> &#8220;Semipalmated Sandpiper,&#8221; en: &lt;<a href=\"http:\/\/www.audubon.org\/field-guide\/bird\/semipalmated-sandpiper\" target=\"_blank\" rel=\"noopener noreferrer\">www.audubon.org\/field-guide\/bird\/semipalmated-sandpiper<\/a>&gt;. (consulta realizada el 25 de julio de 2017).<\/p>\n<p><sup>6 <\/sup>del Hoyo, J., A. Elliott, and J. Sargatal. 1996. <em>Handbook of the birds of the world, vol. 3: Hoatzin to auks<\/em>. Barcelona, Spain: Lynx Edicions.<\/p>\n<p><sup>7 <\/sup>Chandler, R. 2009. S<em>horebirds of the Northern Hemisphere<\/em>. Christopher Helm, Londres.[\/vc_column_text][mk_padding_divider size=&#8221;50&#8243;][mk_fancy_title tag_name=&#8221;span&#8221; color=&#8221;#3d4045&#8243; size=&#8221;12&#8243; font_weight=&#8221;400&#8243; font_family=&#8221;none&#8221;]<strong>Fotos de Playero Semipalmeado: <em>Brad Winn.<\/em><\/strong>[\/mk_fancy_title][\/vc_column][vc_column width=&#8221;1\/6&#8243;][\/vc_column][\/mk_page_section][vc_row][vc_column][vc_column_text]\n[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column width=&#8221;1\/6&#8243;][\/vc_column][vc_column width=&#8221;2\/3&#8243;][mk_image src=&#8221;https:\/\/whsrn.org\/wp-content\/uploads\/2019\/02\/cec-logo_small.jpg&#8221; image_width=&#8221;100&#8243; image_height=&#8221;99&#8243; align=&#8221;center&#8221; margin_bottom=&#8221;25&#8243;][mk_fancy_title tag_name=&#8221;span&#8221; color=&#8221;#3d4045&#8243; size=&#8221;12&#8243; font_weight=&#8221;400&#8243; font_family=&#8221;none&#8221;]\n<p style=\"text-align: center;\"><b>Producido con el apoyo de la Comisi\u00f3n para la Cooperaci\u00f3n Ambiental &#8211; <a href=\"http:\/\/www.cec.org\/\" target=\"_blank\" rel=\"noopener noreferrer\">www.cec.org<\/a><\/b><\/p>\n[\/mk_fancy_title][\/vc_column][vc_column width=&#8221;1\/6&#8243;][\/vc_column][\/vc_row]\n","protected":false},"excerpt":{"rendered":"<p>[mk_page_section bg_image=&#8221;https:\/\/whsrn.org\/wp-content\/uploads\/2019\/02\/sesa_header-1.jpg&#8221; bg_image_portrait=&#8221;https:\/\/whsrn.org\/wp-content\/uploads\/2019\/03\/sesp-header.jpg&#8221; bg_color=&#8221;#5e5e5e&#8221; bg_position=&#8221;center center&#8221; bg_repeat=&#8221;no-repeat&#8221; bg_stretch=&#8221;true&#8221; video_color_mask=&#8221;#cccccc&#8221; video_opacity=&#8221;.4&#8243; min_height=&#8221;325&#8243; sidebar=&#8221;sidebar-1&#8243;][vc_column][mk_padding_divider size=&#8221;120&#8243;][mk_fancy_title tag_name=&#8221;h1&#8243; color=&#8221;#ffffff&#8221; size=&#8221;75&#8243; force_font_size=&#8221;true&#8221; size_phone=&#8221;42&#8243; font_weight=&#8221;900&#8243; font_family=&#8221;Roboto+Condensed&#8221; font_type=&#8221;google&#8221; align=&#8221;center&#8221;]Playero Semipalmeado [\/mk_fancy_title][\/vc_column][\/mk_page_section][mk_page_section bg_color=&#8221;#f2f2f2&#8243; padding_top=&#8221;0&#8243; padding_bottom=&#8221;0&#8243; sidebar=&#8221;sidebar-1&#8243;][vc_column width=&#8221;1\/6&#8243; css=&#8221;.vc_custom_1534796504266{padding-right: 35px !important;}&#8221;][\/vc_column][vc_column width=&#8221;2\/3&#8243;][mk_padding_divider size=&#8221;35&#8243;][mk_fancy_title tag_name=&#8221;span&#8221; color=&#8221;#005695&#8243; size=&#8221;26&#8243; font_weight=&#8221;300&#8243; txt_transform=&#8221;none&#8221; margin_bottom=&#8221;0&#8243; font_family=&#8221;Roboto+Slab&#8221; font_type=&#8221;google&#8221; responsive_align=&#8221;left&#8221;]Al t\u00e9rmino de su temporada reproductiva en el \u00c1rtico, algunos playeros semipalmeados llegan [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"parent":9540,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"nf_dc_page":"","footnotes":""},"class_list":["post-9530","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Playero Semipalmeado &#8211; WHSRN<\/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:\/\/whsrn.org\/es\/acerca-de-las-aves-playeras\/especies-destacadas\/playero-semipalmeado\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Playero Semipalmeado &#8211; WHSRN\" \/>\n<meta property=\"og:description\" content=\"[mk_page_section bg_image=&#8221;https:\/\/whsrn.org\/wp-content\/uploads\/2019\/02\/sesa_header-1.jpg&#8221; bg_image_portrait=&#8221;https:\/\/whsrn.org\/wp-content\/uploads\/2019\/03\/sesp-header.jpg&#8221; bg_color=&#8221;#5e5e5e&#8221; bg_position=&#8221;center center&#8221; bg_repeat=&#8221;no-repeat&#8221; bg_stretch=&#8221;true&#8221; video_color_mask=&#8221;#cccccc&#8221; video_opacity=&#8221;.4&#8243; min_height=&#8221;325&#8243; sidebar=&#8221;sidebar-1&#8243;][vc_column][mk_padding_divider size=&#8221;120&#8243;][mk_fancy_title tag_name=&#8221;h1&#8243; 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