{"id":14740,"date":"2015-08-20T09:49:09","date_gmt":"2015-08-20T16:49:09","guid":{"rendered":"http:\/\/blog.kootenay-lake.ca\/?p=14740"},"modified":"2015-08-20T17:37:27","modified_gmt":"2015-08-21T00:37:27","slug":"disappointed-dipper","status":"publish","type":"post","link":"https:\/\/blog.kootenay-lake.ca\/?p=14740","title":{"rendered":"Disappointed dipper"},"content":{"rendered":"<p>&nbsp;<\/p>\n<p>The caddisfly larva has the interesting practice of covering itself with an intricate protective case made from found materials&#8212;each casing being slightly different. It can look rather like a tiny twig or a bit of bark. By such\u00a0a camouflage, it seeks to avoid predators.<\/p>\n<p>Dippers find the larvae tasty and have an effective way of extracting them from the casing, as was illustrated in an earlier posting: <a href=\"https:\/\/blog.kootenay-lake.ca\/?p=10123\">dipper shake<\/a>. But, which bit of debris in the water is a larva, and which is merely a twig? It seems that the camouflage can confuse a dipper into picking the wrong thing.<\/p>\n<p>A dipper scans for interesting titbits.<br \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-14744\" src=\"https:\/\/blog.kootenay-lake.ca\/wp-content\/uploads\/2015\/08\/dipper150809bs.jpg\" alt=\"\" onclick=\"return false\" onmousedown=\"return false\" width=\"720\" height=\"480\" \/><\/p>\n<p>Spotting something, the dipper reaches underwater to grab it.<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-14743\" src=\"https:\/\/blog.kootenay-lake.ca\/wp-content\/uploads\/2015\/08\/dipper150809cs.jpg\" alt=\"\" onclick=\"return false\" onmousedown=\"return false\" width=\"720\" height=\"480\" \/><\/p>\n<p>At this stage, neither the dipper nor I can tell if it&#8217;s a larva.<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-14742\" src=\"https:\/\/blog.kootenay-lake.ca\/wp-content\/uploads\/2015\/08\/dipper150809ds.jpg\" alt=\"\" onclick=\"return false\" onmousedown=\"return false\" width=\"720\" height=\"480\" \/><\/p>\n<p>The dipper soon assesses it as a twig and doesn&#8217;t try to open it.<br \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-14741\" src=\"https:\/\/blog.kootenay-lake.ca\/wp-content\/uploads\/2015\/08\/dipper150809es.jpg\" alt=\"\" onclick=\"return false\" onmousedown=\"return false\" width=\"720\" height=\"480\" \/><\/p>\n<p>Maybe hunting from another log will prove more successful.<br \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-14745\" src=\"https:\/\/blog.kootenay-lake.ca\/wp-content\/uploads\/2015\/08\/dipper150809as.jpg\" alt=\"\" onclick=\"return false\" onmousedown=\"return false\" width=\"720\" height=\"480\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; The caddisfly larva has the interesting practice of covering itself with an intricate protective case made from found materials&#8212;each casing being slightly different. It can look rather like a tiny twig or a bit of bark. By such\u00a0a camouflage, &hellip; <a href=\"https:\/\/blog.kootenay-lake.ca\/?p=14740\">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-14740","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\/14740","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=14740"}],"version-history":[{"count":10,"href":"https:\/\/blog.kootenay-lake.ca\/index.php?rest_route=\/wp\/v2\/posts\/14740\/revisions"}],"predecessor-version":[{"id":14755,"href":"https:\/\/blog.kootenay-lake.ca\/index.php?rest_route=\/wp\/v2\/posts\/14740\/revisions\/14755"}],"wp:attachment":[{"href":"https:\/\/blog.kootenay-lake.ca\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=14740"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.kootenay-lake.ca\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=14740"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.kootenay-lake.ca\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=14740"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}