{"id":23160,"date":"2018-03-25T20:04:48","date_gmt":"2018-03-26T03:04:48","guid":{"rendered":"http:\/\/blog.kootenay-lake.ca\/?p=23160"},"modified":"2018-03-25T20:04:48","modified_gmt":"2018-03-26T03:04:48","slug":"heron-anisocoria","status":"publish","type":"post","link":"https:\/\/blog.kootenay-lake.ca\/?p=23160","title":{"rendered":"Heron anisocoria"},"content":{"rendered":"<div id=\"attachment_6680\" style=\"width: 370px\" class=\"wp-caption alignright\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-6680\" class=\"wp-image-6680\" src=\"https:\/\/blog.kootenay-lake.ca\/wp-content\/uploads\/2012\/11\/eagle121010as2.jpg\" alt=\"\" width=\"360\" height=\"360\" \/><p id=\"caption-attachment-6680\" class=\"wp-caption-text\">This Bald Eagle exhibits anisocoria.<\/p><\/div>\n<p>&nbsp;<\/p>\n<p>A half-dozen years ago, I posted an <a href=\"https:\/\/blog.kootenay-lake.ca\/?p=6488\">eagle portrait<\/a>. It was taken just as the light from the rising sun touched one side of the eagle&#8217;s face. A striking feature of the portrait is the eyes: The pupil on the sunlit side is smaller than that on the shady side.\u00a0<\/p>\n<p>In most humans, the pupils are synchronized, and so the size of the pupils match. When they do not, the usually harmless condition is known as anisocoria (<em>aniso\u00a0<\/em>= unequal; <em>cor\u00a0<\/em>= pupil; <em>ia\u00a0<\/em>= condition).<\/p>\n<p>Of course, birds are not people; their eyes behave differently. It seems that anisocoria is a normal characteristic of birds. Yet, I hadn&#8217;t noticed it again until today when a Great Blue Heron looked down on me. Again, the lighting was uneven, and, like the eagle, the heron exhibited anisocoria.\u00a0<\/p>\n<p>The lighting on the two sides of this heron&#8217;s face is different, resulting in different pupil sizes.<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignright size-full wp-image-23161\" src=\"https:\/\/blog.kootenay-lake.ca\/wp-content\/uploads\/2018\/03\/heron180325as2.jpg\" alt=\"\" onclick=\"return false\" onmousedown=\"return false\" width=\"720\" height=\"720\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; A half-dozen years ago, I posted an eagle portrait. It was taken just as the light from the rising sun touched one side of the eagle&#8217;s face. A striking feature of the portrait is the eyes: The pupil on &hellip; <a href=\"https:\/\/blog.kootenay-lake.ca\/?p=23160\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[9],"tags":[],"class_list":["post-23160","post","type-post","status-publish","format-standard","hentry","category-birds"],"_links":{"self":[{"href":"https:\/\/blog.kootenay-lake.ca\/index.php?rest_route=\/wp\/v2\/posts\/23160","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.kootenay-lake.ca\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.kootenay-lake.ca\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.kootenay-lake.ca\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.kootenay-lake.ca\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=23160"}],"version-history":[{"count":14,"href":"https:\/\/blog.kootenay-lake.ca\/index.php?rest_route=\/wp\/v2\/posts\/23160\/revisions"}],"predecessor-version":[{"id":23176,"href":"https:\/\/blog.kootenay-lake.ca\/index.php?rest_route=\/wp\/v2\/posts\/23160\/revisions\/23176"}],"wp:attachment":[{"href":"https:\/\/blog.kootenay-lake.ca\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=23160"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.kootenay-lake.ca\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=23160"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.kootenay-lake.ca\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=23160"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}