One hydrophone sitting 891 meters down in Monterey Canyon, wired to shore by 52 kilometers of cable, recorded 2,111 days out of 2,192 between July 2015 and June 2021, and humpback song climbed from 34 percent of days to 76 while blue whale song fell away after a marine heat wave.

1.0United Stateshttps://www.europesays.com/usUnited Stateshttps://www.europesays.com/us/author/united-states/One hydrophone sitting 891 meters down in Monterey Canyon, wired to shore by 52 kilometers of cable, recorded 2,111 days out of 2,192 between July 2015 and June 2021, and humpback song climbed from 34 percent of days to 76 while blue whale song fell away after a marine heat wave.rich600338<blockquote class="wp-embedded-content" data-secret="jaeoyO54Jh"><a href="https://www.europesays.com/us/1052817/">One hydrophone sitting 891 meters down in Monterey Canyon, wired to shore by 52 kilometers of cable, recorded 2,111 days out of 2,192 between July 2015 and June 2021, and humpback song climbed from 34 percent of days to 76 while blue whale song fell away after a marine heat wave.</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.europesays.com/us/1052817/embed/#?secret=jaeoyO54Jh" width="600" height="338" title="“One hydrophone sitting 891 meters down in Monterey Canyon, wired to shore by 52 kilometers of cable, recorded 2,111 days out of 2,192 between July 2015 and June 2021, and humpback song climbed from 34 percent of days to 76 while blue whale song fell away after a marine heat wave.” — United States" data-secret="jaeoyO54Jh" 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.europesays.com/us/wp-includes/js/wp-embed.min.js </script> https://www.europesays.com/us/wp-content/uploads/2026/09/hydrophone-deep-sea-768x403.png600315