tag:blogger.com,1999:blog-8875936129745922451.post3204799903140946285..comments2023-09-03T21:28:44.407+01:00Comments on Welcome to North Lancs Ringing Group: Bearded Tit Gritting SeasonNorth Lancs Ringing Grouphttp://www.blogger.com/profile/01769828703372360831noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-8875936129745922451.post-31710309721648003412012-12-16T00:17:05.966+00:002012-12-16T00:17:05.966+00:00Bearing in mind there were records of irruptive be...Bearing in mind there were records of irruptive behaviour, did the sightings point towards any possibility of individuals having left?<br /><br />e.g. Was there a cluster of (colour-ringed) birds seen together early in the grtting season which were never seen again - obviously the strongest circumstantial evidence for departure<br /><br />e.g. Far more tenuous evidence: any individual birds seen regularly early in the period which 'suddenly disappeared'?<br /><br />Would be really good to gather together all the evidence for irruptive behaviour and whether the birds were in one of these observed categories: <br /><br />a) definitely seen to drop back into the reeds<br />b)probably dropped back into the reeds but out of sight behind bushes<br />c)uncertain - maintained a constant height until out of sight<br />d)seemed to carry on flying upwards until lost from sight<br /><br />Pete Marshhttps://www.blogger.com/profile/09461363671751316069noreply@blogger.com