1.0Swiss Ornithological Institutehttps://www.vogelwarte.ch/en/Vogelarten: Red-crested Pochardrich600338<blockquote class="wp-embedded-content" data-secret="U0PNNJ6Lec"><a href="https://www.vogelwarte.ch/en/birds-of-switzerland/red-crested-pochard/">Red-crested Pochard</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.vogelwarte.ch/en/birds-of-switzerland/red-crested-pochard/embed/#?secret=U0PNNJ6Lec" width="600" height="338" title="“Red-crested Pochard” — Swiss Ornithological Institute" data-secret="U0PNNJ6Lec" 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/2026/03/850_1.jpg16001200Not so very long ago the appearance of the exotic-seeming Red-crested Pochard was a rare sight on Swiss lakes other than Lake Constance. The number of wintering birds increased considerably during the 1990s. This is also due to the improved water quality, from which the typical plant-eating Red-crested Pochard benefits especially.