{"id":5309,"date":"2022-11-08T13:27:50","date_gmt":"2022-11-08T12:27:50","guid":{"rendered":"https:\/\/www.vogelwarte.ch\/voegel-der-schweiz\/ruddy-shelduck\/"},"modified":"2026-03-11T14:26:06","modified_gmt":"2026-03-11T13:26:06","slug":"ruddy-shelduck","status":"publish","type":"voegel-der-schweiz","link":"https:\/\/www.vogelwarte.ch\/en\/birds-of-switzerland\/ruddy-shelduck\/","title":{"rendered":"Ruddy Shelduck"},"content":{"rendered":"","protected":false},"featured_media":123927,"template":"","afvs_foerdermassnahmen":[],"afvs_npa-handlungsebene":[],"afvs_lebensraum":[],"afvs_nahrung":[],"afvs_stakeholder":[],"afvs_npa-verantwortung":[],"lebensraum":[324,347,359,360,366],"nahrung":[363,372,374],"afvs_npa-dringlichkeit":[],"rote-liste-schweiz":[3120],"vogelgruppe":[375],"class_list":["post-5309","voegel-der-schweiz","type-voegel-der-schweiz","status-publish","has-post-thumbnail","hentry","lebensraum-gewaesser","lebensraum-feuchtgebiete","lebensraum-ackerland","lebensraum-wiesen-und-weiden","lebensraum-siedlungen","nahrung-insekten-und-spinnen","nahrung-samen","nahrung-pflanzen","rote-liste-schweiz-regional-nicht-beurteilt-ne","vogelgruppe-entenvoegel"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Vogelarten: Ruddy Shelduck<\/title>\n<meta name=\"description\" content=\"The Ruddy Shelduck inhabits the steppes and semideserts of Asia and North Africa. Since the1960s, this popular ornamental bird has been increasingly observed in the wild, they are mostly escapees from captivity. Meanwhile, the Ruddy Shelduck is increasing and spreading more and more. This is not without consequences for the native bird population, since the Ruddy Shelduck behaves very aggressively during the breeding season: It drives all other ducks out of its territory.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.vogelwarte.ch\/en\/birds-of-switzerland\/ruddy-shelduck\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Vogelarten: Ruddy Shelduck\" \/>\n<meta property=\"og:description\" content=\"The Ruddy Shelduck inhabits the steppes and semideserts of Asia and North Africa. Since the1960s, this popular ornamental bird has been increasingly observed in the wild, they are mostly escapees from captivity. Meanwhile, the Ruddy Shelduck is increasing and spreading more and more. This is not without consequences for the native bird population, since the Ruddy Shelduck behaves very aggressively during the breeding season: It drives all other ducks out of its territory.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.vogelwarte.ch\/en\/birds-of-switzerland\/ruddy-shelduck\/\" \/>\n<meta property=\"og:site_name\" content=\"Swiss Ornithological Institute\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/vogelwarte.ch\" \/>\n<meta property=\"article:modified_time\" content=\"2026-03-11T13:26:06+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.vogelwarte.ch\/wp-content\/uploads\/2026\/03\/700_1.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1600\" \/>\n\t<meta property=\"og:image:height\" content=\"1200\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:site\" content=\"@vogelwarte_ch\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.vogelwarte.ch\\\/en\\\/birds-of-switzerland\\\/ruddy-shelduck\\\/\",\"url\":\"https:\\\/\\\/www.vogelwarte.ch\\\/en\\\/birds-of-switzerland\\\/ruddy-shelduck\\\/\",\"name\":\"Vogelarten: Ruddy Shelduck\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.vogelwarte.ch\\\/en\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.vogelwarte.ch\\\/en\\\/birds-of-switzerland\\\/ruddy-shelduck\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.vogelwarte.ch\\\/en\\\/birds-of-switzerland\\\/ruddy-shelduck\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.vogelwarte.ch\\\/wp-content\\\/uploads\\\/2026\\\/03\\\/700_1.jpg\",\"datePublished\":\"2022-11-08T12:27:50+00:00\",\"dateModified\":\"2026-03-11T13:26:06+00:00\",\"description\":\"The Ruddy Shelduck inhabits the steppes and semideserts of Asia and North Africa. 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