{"id":12260,"date":"2021-12-12T15:06:09","date_gmt":"2021-12-12T15:06:09","guid":{"rendered":"https:\/\/eontbird.ca\/?p=12260"},"modified":"2021-12-18T16:57:52","modified_gmt":"2021-12-18T16:57:52","slug":"staying-warm-in-the-extreme-cold","status":"publish","type":"post","link":"https:\/\/eontbird.ca\/?p=12260","title":{"rendered":"How birds stay warm in the extreme cold"},"content":{"rendered":"<p>As winter weather sets in all throughout eastern Ontario, backyard birdwatchers may peer outside and see little &#8220;fluffballs&#8221; resting on branches. You&#8217;re bearing witness to one of their cold-weather survival strategies. <!--more--> Underneath a bird&#8217;s contour adornment lay plumulaceous down feathers. These down feathers are excellent at trapping warm air mass. Birds &#8220;puff&#8221; their contour and down feathers up, creating a self-con<span class=\"text_exposed_show\">tained heat island; the feathers are used to trap the bird&#8217;s body heat. Amazingly, it has been shown that a mere half-inch of feathers (on a Black-capped Chickadee for this example) can result in a difference of 50 degrees Celsius between the bird&#8217;s bare skin and the outer surface of its feathers!<\/span><\/p>\n<div class=\"text_exposed_show\">\n<p>Have a great week and keep those feeders filled\u00a0<span class=\"_47e3 _5mfr\" title=\"smile emoticon\"><img loading=\"lazy\" decoding=\"async\" class=\"img\" role=\"presentation\" src=\"https:\/\/static.xx.fbcdn.net\/images\/emoji.php\/v9\/ta5\/1.5\/16\/1f642.png\" alt=\"\" width=\"16\" height=\"16\" \/><\/span><\/p>\n<p><a href=\"https:\/\/eontbird.ca\/wp-content\/uploads\/2019\/01\/IMG_3870.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-12261 aligncenter\" src=\"https:\/\/eontbird.ca\/wp-content\/uploads\/2019\/01\/IMG_3870-300x162.jpg\" alt=\"\" width=\"300\" height=\"162\" srcset=\"https:\/\/eontbird.ca\/wp-content\/uploads\/2019\/01\/IMG_3870-300x162.jpg 300w, https:\/\/eontbird.ca\/wp-content\/uploads\/2019\/01\/IMG_3870-768x415.jpg 768w, https:\/\/eontbird.ca\/wp-content\/uploads\/2019\/01\/IMG_3870-1024x554.jpg 1024w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p><strong>Photo<\/strong>: A male House Finch surviving -38 Celsius temperatures the best it can in my parents&#8217; yard in Ottawa, Ontario. <em>21 January 2019.<\/em><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>As winter weather sets in all throughout eastern Ontario, backyard birdwatchers may peer outside and see little &#8220;fluffballs&#8221; resting on branches. You&#8217;re bearing witness to one of their cold-weather survival strategies.<\/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-12260","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\/12260","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=12260"}],"version-history":[{"count":6,"href":"https:\/\/eontbird.ca\/index.php?rest_route=\/wp\/v2\/posts\/12260\/revisions"}],"predecessor-version":[{"id":21118,"href":"https:\/\/eontbird.ca\/index.php?rest_route=\/wp\/v2\/posts\/12260\/revisions\/21118"}],"wp:attachment":[{"href":"https:\/\/eontbird.ca\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=12260"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/eontbird.ca\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=12260"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/eontbird.ca\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=12260"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}