{"id":1980,"date":"2016-02-25T01:40:36","date_gmt":"2016-02-25T01:40:36","guid":{"rendered":"https:\/\/eontbird.ca\/?p=1980"},"modified":"2022-08-01T16:50:49","modified_gmt":"2022-08-01T16:50:49","slug":"non-locatable-alarm-calls","status":"publish","type":"post","link":"https:\/\/eontbird.ca\/?p=1980","title":{"rendered":"Non-traceable Alarm Calls"},"content":{"rendered":"<p>Did you know?<\/p>\n<p>The other morning I had the kitchen window cracked and could hear plenty of birdsong and watched as birds excitedly flew about the yard. Suddenly, all went quiet; there was a sharp drop in song and activity. I then could hear a chickadee singing its high-pitched &#8220;see&#8221; alarm notes.<!--more--> These notes are often used when there&#8217;s a sudden and immediate threat nearby and the neat thing about their quality: the source cannot be traced; they are non-locatable! These calls have a frequency of about 7 kilohertz for almost all songbirds worldwide. This universal language allows non-related individuals and different species to recognize each other&#8217;s warnings (Runtz 2012).<\/p>\n<p>While birding on Amherst Island about a month ago, a friend and I heard a chickadee giving these high-pitched &#8220;see&#8221; notes and glanced around to find a Northern Shrike buried deep in the tangles, giving chase!<\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/eontbird.ca\/wp-content\/uploads\/2016\/02\/003-1024x484.jpg\" rel=\"attachment wp-att-1981\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-1981\" src=\"https:\/\/eontbird.ca\/wp-content\/uploads\/2016\/02\/003-1024x484-300x142.jpg\" alt=\"003 (1024x484)\" width=\"300\" height=\"142\" srcset=\"https:\/\/eontbird.ca\/wp-content\/uploads\/2016\/02\/003-1024x484-300x142.jpg 300w, https:\/\/eontbird.ca\/wp-content\/uploads\/2016\/02\/003-1024x484-768x363.jpg 768w, https:\/\/eontbird.ca\/wp-content\/uploads\/2016\/02\/003-1024x484.jpg 1024w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p><strong>Photo<\/strong>: Adult Sharp-shinned Hawk photographed through our window and screen. It flew shortly after this photo was taken. SW Ottawa. February 2016.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Did you know? The other morning I had the kitchen window cracked and could hear plenty of birdsong and watched as birds excitedly flew about the yard. Suddenly, all went quiet; there was a sharp drop in song and activity. I then could hear a chickadee singing its high-pitched &#8220;see&#8221; alarm notes.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1980","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"aioseo_notices":[],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/eontbird.ca\/index.php?rest_route=\/wp\/v2\/posts\/1980","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/eontbird.ca\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/eontbird.ca\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/eontbird.ca\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/eontbird.ca\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1980"}],"version-history":[{"count":3,"href":"https:\/\/eontbird.ca\/index.php?rest_route=\/wp\/v2\/posts\/1980\/revisions"}],"predecessor-version":[{"id":23192,"href":"https:\/\/eontbird.ca\/index.php?rest_route=\/wp\/v2\/posts\/1980\/revisions\/23192"}],"wp:attachment":[{"href":"https:\/\/eontbird.ca\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1980"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/eontbird.ca\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1980"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/eontbird.ca\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1980"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}