{"id":7238,"date":"2013-05-09T10:53:32","date_gmt":"2013-05-09T10:53:32","guid":{"rendered":"https:\/\/www.bedsbatgroup.org.uk\/wordpress\/?p=7238"},"modified":"2019-03-02T20:16:49","modified_gmt":"2019-03-02T20:16:49","slug":"driven-up-the-pole-by-bats","status":"publish","type":"post","link":"https:\/\/www.bedsbatgroup.org.uk\/wordpress\/?p=7238","title":{"rendered":"Driven up the pole by bats"},"content":{"rendered":"<p>The bat group has recently bought another Griffin from <a href=\"http:\/\/www.batbox.com\/\">Batbox <\/a>using the proceeds from data searches. The fine weather on Monday night was too good not to exploit and Bob headed off to the home of our main bat box project to try it out.<\/p>\n<p>We noticed that last season that bat detectors placed at 8.5 m ( atop a window cleaaners pole and a debristled brush) gave us very different results from what we heard at ground level, but as we only\u00a0 had one Griffin we could not\u00a0 record at two levels at the same time\u00a0 with a time expansion detector)( We used . batbox Duets\u00a0 instead which , not being time expansion detectors, can&#8217;t give such high definition recordings)<\/p>\n<div id=\"attachment_7240\" style=\"width: 235px\" class=\"wp-caption alignleft\"><a href=\"https:\/\/www.bedsbatgroup.org.uk\/wordpress\/wp-content\/uploads\/2013\/05\/double-griffin-set-up-2.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-7240\" class=\"size-medium wp-image-7240\" alt=\"double-griffin-set-up-2\" src=\"https:\/\/www.bedsbatgroup.org.uk\/wordpress\/wp-content\/uploads\/2013\/05\/double-griffin-set-up-2-225x300.jpg\" width=\"225\" height=\"300\" srcset=\"https:\/\/www.bedsbatgroup.org.uk\/wordpress\/wp-content\/uploads\/2013\/05\/double-griffin-set-up-2-225x300.jpg 225w, https:\/\/www.bedsbatgroup.org.uk\/wordpress\/wp-content\/uploads\/2013\/05\/double-griffin-set-up-2.jpg 400w\" sizes=\"auto, (max-width: 225px) 100vw, 225px\" \/><\/a><p id=\"caption-attachment-7240\" class=\"wp-caption-text\">The first Griffin was mounted on the lower part of the window cleaner&#8217;s pole. Photo Bob Cornes<\/p><\/div>\n<p>Using a Petterson\u00a0 time expansion detector which was handheld, Bob only reported a few common pips, , the Griffijn placed on the pole\u00a0 low down\u00a0 picked up a Noctule pass, while the Griffin at canopy height picked up both common and soprano pips, a serotine, a barbastelle, and what was possibly aLeisler&#8217;s\u00a0 (though it might just have been a Noctule playing silly devils.<\/p>\n<div id=\"attachment_7241\" style=\"width: 235px\" class=\"wp-caption alignleft\"><a href=\"https:\/\/www.bedsbatgroup.org.uk\/wordpress\/wp-content\/uploads\/2013\/05\/double-griffin-set-up.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-7241\" class=\"size-medium wp-image-7241\" alt=\"The dpuble Griffin se4t up. Youcan just about see the 2nd Griffin at canopy height right at the top of the photo. The object ion the tre trunk is a bat box (unoccupied) Photo Bob Cornes\" src=\"https:\/\/www.bedsbatgroup.org.uk\/wordpress\/wp-content\/uploads\/2013\/05\/double-griffin-set-up-225x300.jpg\" width=\"225\" height=\"300\" srcset=\"https:\/\/www.bedsbatgroup.org.uk\/wordpress\/wp-content\/uploads\/2013\/05\/double-griffin-set-up-225x300.jpg 225w, https:\/\/www.bedsbatgroup.org.uk\/wordpress\/wp-content\/uploads\/2013\/05\/double-griffin-set-up.jpg 400w\" sizes=\"auto, (max-width: 225px) 100vw, 225px\" \/><\/a><p id=\"caption-attachment-7241\" class=\"wp-caption-text\">The opuble Griffin se4t up. You can just about see the 2nd Griffin at canopy height right at the top of the photo. The object on the tree trunk is a bat box (unoccupied) Photo Bob Cornes<\/p><\/div>\n<p>The plan is to repeat this methodology at a number of sites this season, and to return here later in the yer when the canopy is denser.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The bat group has recently bought another Griffin from Batbox using the proceeds from data searches. The fine weather on Monday night was too good not to exploit and Bob headed off to the home of our main bat box &hellip; <a href=\"https:\/\/www.bedsbatgroup.org.uk\/wordpress\/?p=7238\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[295,40,39],"class_list":["post-7238","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-double-griffin-set-up","tag-survey","tag-woodland"],"_links":{"self":[{"href":"https:\/\/www.bedsbatgroup.org.uk\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/7238","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bedsbatgroup.org.uk\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.bedsbatgroup.org.uk\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.bedsbatgroup.org.uk\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bedsbatgroup.org.uk\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=7238"}],"version-history":[{"count":4,"href":"https:\/\/www.bedsbatgroup.org.uk\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/7238\/revisions"}],"predecessor-version":[{"id":16513,"href":"https:\/\/www.bedsbatgroup.org.uk\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/7238\/revisions\/16513"}],"wp:attachment":[{"href":"https:\/\/www.bedsbatgroup.org.uk\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=7238"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bedsbatgroup.org.uk\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=7238"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bedsbatgroup.org.uk\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=7238"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}