{"version":"1.0","provider_name":"Swiss Ornithological Institute","provider_url":"https:\/\/www.vogelwarte.ch\/en\/","title":"Vogelarten: Franklin's Gull","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"yxf4PocvhD\"><a href=\"https:\/\/www.vogelwarte.ch\/en\/birds-of-switzerland\/franklin-s-gull\/\">Franklin&#8217;s Gull<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.vogelwarte.ch\/en\/birds-of-switzerland\/franklin-s-gull\/embed\/#?secret=yxf4PocvhD\" width=\"600\" height=\"338\" title=\"&#8220;Franklin&#8217;s Gull&#8221; &#8212; Swiss Ornithological Institute\" data-secret=\"yxf4PocvhD\" 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\/2635_1.jpg","thumbnail_width":1600,"thumbnail_height":1200,"description":"The occurrence of the Franklin\u2019s Gull, which is barely the size of a Common Black-headed Gull, a species that breeds on North American inland waters, is one of the most unusual ornithological events in recent times. The Franklin\u2019s Gull is only likely to be confused with the Laughing Gull and is the only gull species to moult completely twice a year."}