{"version":"1.0","provider_name":"Israel News Beep | NewsBeep.com","provider_url":"https:\/\/www.newsbeep.com\/il","author_name":"NEWSBEEP","author_url":"https:\/\/www.newsbeep.com\/il\/author\/newsbeep\/","title":"Researchers in Japan documented carrion crows placing walnuts in front of cars stopped at traffic lights, then letting the vehicles crack the shells before retrieving the food \u2014 behaviour recorded repeatedly over 21 months.","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"B8UIfUl7fd\"><a href=\"https:\/\/www.newsbeep.com\/il\/592810\/\">Researchers in Japan documented carrion crows placing walnuts in front of cars stopped at traffic lights, then letting the vehicles crack the shells before retrieving the food \u2014 behaviour recorded repeatedly over 21 months.<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.newsbeep.com\/il\/592810\/embed\/#?secret=B8UIfUl7fd\" width=\"600\" height=\"338\" title=\"&#8220;Researchers in Japan documented carrion crows placing walnuts in front of cars stopped at traffic lights, then letting the vehicles crack the shells before retrieving the food \u2014 behaviour recorded repeatedly over 21 months.&#8221; &#8212; Israel News Beep | NewsBeep.com\" data-secret=\"B8UIfUl7fd\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\n\/*! This file is auto-generated *\/\n!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);\n\/\/# sourceURL=https:\/\/www.newsbeep.com\/il\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","thumbnail_url":"https:\/\/www.newsbeep.com\/il\/wp-content\/uploads\/2026\/08\/m-researchers-in-japan-documented-carrion-crows-placing-walnuts-in-front-of-cars-stopped-at-traffic-768x403.jpeg","thumbnail_width":600,"thumbnail_height":315}