1.0Swiss Ornithological Institutehttps://www.vogelwarte.ch/en/rich600338<blockquote class="wp-embedded-content" data-secret="mk7fwkwqh9"><a href="https://www.vogelwarte.ch/en/birds-of-switzerland/sandwich-tern/">Sandwich Tern</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.vogelwarte.ch/en/birds-of-switzerland/sandwich-tern/embed/#?secret=mk7fwkwqh9" width="600" height="338" title="“Sandwich Tern” — Swiss Ornithological Institute" data-secret="mk7fwkwqh9" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !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); //# sourceURL=https://www.vogelwarte.ch/wp-includes/js/wp-embed.min.js </script> https://www.vogelwarte.ch/wp-content/uploads/2026/03/2820_1.jpg16001200The harsh calls of the Sandwich Tern are a characteristic element of the coasts in Europe. The elegant birds often breed in very large colonies on sandy beaches or on flat offshore islands and fly up to 25 kilometres to their feeding areas. As their migration mainly follows the coasts, Sandwich Terns only rarely bring a breath of sea air to our country.