tag:blogger.com,1999:blog-335299432629417967.post711727811271200321..comments2023-12-20T08:34:52.903+00:00Comments on BTO Bird Ringing - 'Demog Blog': Bosrietzanger (OK, Dutch Marsh Warbler) in Suffolkcarl_barimorehttp://www.blogger.com/profile/10109244405746789457noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-335299432629417967.post-41228250097940911372012-06-15T11:34:48.692+01:002012-06-15T11:34:48.692+01:00Just in case anyone's confused, on a Reed Warb...Just in case anyone's confused, on a Reed Warbler the emargination (the point where the outer web of the primary feather thins) would fall about in line with the tertials. The fact it falls well outside the tertials on a Marsh Warbler is a combination of them having a longer wing and shorter emargination.Mark Granthamhttps://www.blogger.com/profile/08846208560470995839noreply@blogger.com