<?xml version="1.0"?>
<oembed><version>1.0</version><provider_name>Nature</provider_name><provider_url>https://www.pbs.org/wnet/nature</provider_url><author_name>Amanda Schmidt</author_name><author_url>https://www.pbs.org/wnet/nature/author/schmidta/</author_url><title>Wild Ireland: Kingdom of Stone ~ Mysterious Gathering of Sharks | Nature | PBS</title><type>rich</type><width>600</width><height>338</height><html>&lt;blockquote class="wp-embedded-content" data-secret="6DseHR4H4I"&gt;&lt;a href="https://www.pbs.org/wnet/nature/mysterious-gathering-of-sharks/30265/"&gt; Mysterious Gathering of Sharks&lt;/a&gt;&lt;/blockquote&gt;&lt;iframe sandbox="allow-scripts" security="restricted" src="https://www.pbs.org/wnet/nature/mysterious-gathering-of-sharks/30265/embed/#?secret=6DseHR4H4I" width="600" height="338" title="&#x201C; Mysterious Gathering of Sharks&#x201D; &#x2014; Nature" data-secret="6DseHR4H4I" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"&gt;&lt;/iframe&gt;&lt;script type="text/javascript"&gt;
/* &lt;![CDATA[ */
/*! This file is auto-generated */
!function(d,l){"use strict";l.querySelector&amp;&amp;d.addEventListener&amp;&amp;"undefined"!=typeof URL&amp;&amp;(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&amp;&amp;!/[^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&lt;o.length;i++)o[i].style.display="none";for(i=0;i&lt;a.length;i++)s=a[i],e.source===s.contentWindow&amp;&amp;(s.removeAttribute("style"),"height"===t.message?(1e3&lt;(r=parseInt(t.value,10))?r=1e3:~~r&lt;200&amp;&amp;(r=200),s.height=r):"link"===t.message&amp;&amp;(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&amp;&amp;n.host===r.host&amp;&amp;l.activeElement===s&amp;&amp;(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&lt;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.pbs.org/wnet/nature/wp-includes/js/wp-embed.min.js
/* ]]&gt; */
&lt;/script&gt;
</html><thumbnail_url>https://www.pbs.org/wnet/nature/files/2024/05/X6hZ1Kz-asset-mezzanine-16x9-4LqU95X.jpg</thumbnail_url><thumbnail_width>1920</thumbnail_width><thumbnail_height>1080</thumbnail_height><description>Basking sharks are the second biggest fish on the planet, up to 40 feet long and four tons in weight. While these massive sharks are typically solitary, they have recently been found gathering together. And no one knows why.</description></oembed>

<!--
Performance optimized by W3 Total Cache. Learn more: https://www.boldgrid.com/w3-total-cache/?utm_source=w3tc&utm_medium=footer_comment&utm_campaign=free_plugin

Object Caching 0/0 objects using Memcached
Page Caching using Memcached{w3tc_pagecache_reject_reason}

Served from: www.pbs.org @ 2026-04-14 10:47:36 by W3 Total Cache
-->