{"version":"1.0","provider_name":"Nature","provider_url":"https:\/\/www.pbs.org\/wnet\/nature","author_name":"Heather Toner","author_url":"https:\/\/www.pbs.org\/wnet\/nature\/author\/tonerh\/","title":"Wolves and Willows: A Howling Success | Blog | Nature | PBS","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"0AXbkpoiOg\"><a href=\"https:\/\/www.pbs.org\/wnet\/nature\/blog\/wolves-and-willows-a-howling-success\/\">Wolves and Willows: A Howling Success<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.pbs.org\/wnet\/nature\/blog\/wolves-and-willows-a-howling-success\/embed\/#?secret=0AXbkpoiOg\" width=\"600\" height=\"338\" title=\"&#8220;Wolves and Willows: A Howling Success&#8221; &#8212; Nature\" data-secret=\"0AXbkpoiOg\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script type=\"text\/javascript\">\n\/* <![CDATA[ *\/\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.pbs.org\/wnet\/nature\/wp-includes\/js\/wp-embed.min.js\n\/* ]]> *\/\n<\/script>\n","thumbnail_url":"https:\/\/www.pbs.org\/wnet\/nature\/files\/2018\/12\/robson-hatsukami-morgan-280186-unsplash.jpg","thumbnail_width":1200,"thumbnail_height":800,"description":"When someone shot the last wolf in Yellowstone National Park in 1926, they probably gave no thought to the effect that action might have on trees. But the absence of apex predators \u2013those animals at the top of the food chain, such as lions, sharks and wolves \u2013 causes changes that cascade throughout an ecosystem, in this case, right down to its plants."}