1.0Swiss Ornithological Institutehttps://www.vogelwarte.ch/en/rich600338<blockquote class="wp-embedded-content" data-secret="94EL3c9iPk"><a href="https://www.vogelwarte.ch/en/birds-of-switzerland/peregrine-falcon/">Peregrine Falcon</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.vogelwarte.ch/en/birds-of-switzerland/peregrine-falcon/embed/#?secret=94EL3c9iPk" width="600" height="338" title="“Peregrine Falcon” — Swiss Ornithological Institute" data-secret="94EL3c9iPk" 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/2026/03/1420_1.jpg16001200As from the mid-fifties, there has been a massive decrease in the population of the Peregrine Falcon throughout Europe, for it reacts sensitively to pesticides. This brought the splendid raptor to the verge of distinction in Switzerland. Thanks to the prohibition of DDT and related pesticides and its legal protection, the Peregrine Falcon managed to become a successful returnee. The sleek flyers reach breath-taking speeds when diving almost vertically on their prey like a missile.