{"version":"1.0","provider_name":"Swiss Ornithological Institute","provider_url":"https:\/\/www.vogelwarte.ch\/en\/","title":"Vogelarten: Cetti's Warbler","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"qQZHxkjXwn\"><a href=\"https:\/\/www.vogelwarte.ch\/en\/birds-of-switzerland\/cetti-s-warbler\/\">Cetti&#8217;s Warbler<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.vogelwarte.ch\/en\/birds-of-switzerland\/cetti-s-warbler\/embed\/#?secret=qQZHxkjXwn\" width=\"600\" height=\"338\" title=\"&#8220;Cetti&#8217;s Warbler&#8221; &#8212; Swiss Ornithological Institute\" data-secret=\"qQZHxkjXwn\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/\/# sourceURL=https:\/\/www.vogelwarte.ch\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","thumbnail_url":"https:\/\/www.vogelwarte.ch\/wp-content\/uploads\/2026\/03\/4370_1.jpg","thumbnail_width":1600,"thumbnail_height":1200,"description":"Cetti\u2019s Warblers generally hide in the vegetation, betraying, however, their presence with loud bursts of song which gradually decline and suddenly break off. They sometimes climb almost to the top of a bush twitching their wings and tail like a wren, sing quickly and then disappear in dense vegetation. Since the beginning of the 20th century, the Cetti\u2019s Warbler has been expanding its breeding area to the north, reaching the Ticino."}