Crows seem to have mastered yet another feat once thought unique to humans

Crows seem to have mastered yet another feat once thought unique to humans

At least in one regard, crows can outsmart monkeys.

Copy and paste this URL into your WordPress site to embed

<blockquote class="wp-embedded-content" data-secret="6N1mIi4zpJ"><a href="https://www.zmescience.com/ecology/animals-ecology/crows-master-recursion-14112022/">Crows seem to have mastered yet another feat once thought unique to humans</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.zmescience.com/ecology/animals-ecology/crows-master-recursion-14112022/embed/#?secret=6N1mIi4zpJ" width="600" height="400" title="&#8220;Crows seem to have mastered yet another feat once thought unique to humans&#8221; &#8212; ZME Science" data-secret="6N1mIi4zpJ" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript">
/* <![CDATA[ */
/*! 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);
/* ]]> */
</script>

Copy and paste this code into your site to embed